Yamaha AD8HR Manuale del proprietario

Yamaha
Marca
Yamaha
Modello
AD8HR
Categoria
Unità di alimentazione
Tipo
Manuale del proprietario
Thank you for choosing the Yamaha AD8HR AD converter with remote microphone
preamp.
The AD8HR is an eight-channel AD converter equipped with remote microphone
preamps that feature 96kHz, 24-bit linear AD conversion, 128-times oversampling,
and a dynamic range of 110dB. Its input section features balanced XLR connectors,
high-quality mic preamps, +48V phantom power, and support for both mic and line-
level inputs. The output section supports the AES/EBU format and features a high
sampling frequency of 88.2/96kHz. You can easily adjust the gain for each channel
(in 1dB steps) and set up the high pass filter from the front panel. These settings are
stored in the unit’s backup memory, and are retained even after the power is turned
off. In addition, a special protocol enables you to remotely control the unit from a
connected computer or other device.
Please read this manual thoroughly before using the unit to take the greatest
advantage of the AD8HR’s extensive features for the longest period of time. After you
read this manual, please keep it in a safe place.
Owner’s Manual
EN
2
PRECAUTIONS
PLEASE READ CAREFULLY BEFORE PROCEEDING
* Please keep this manual in a safe place for future reference.
WARNING
Always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical
shock, short-circuiting, damages, fire or other hazards. These precautions include, but are not limited to, the following:
• Only use the voltage specified as correct for the device. The required voltage is
printed on the name plate of the device.
• Use only the included power cord. If you intend to use the device in an area
other than in the one you purchased, the included power cord may not be
compatible. Please check with your Yamaha dealer.
• Do not place the power cord near heat sources such as heaters or radiators, and do
not excessively bend or otherwise damage the cord, place heavy objects on it, or
place it in a position where anyone could walk on, trip over, or roll anything over it.
• Be sure to connect to an appropriate outlet with a protective grounding
connection. Improper grounding can result in electrical shock.
• Do not open the device or attempt to disassemble the internal parts or modify
them in any way. The device contains no user-serviceable parts. If it should
appear to be malfunctioning, discontinue use immediately and have it inspected
by qualified Yamaha service personnel.
• Do not expose the device to rain, use it near water or in damp or wet conditions,
or place containers on it containing liquids which might spill into any openings.
• Never insert or remove an electric plug with wet hands.
• If the power cord or plug becomes frayed or damaged, or if there is a sudden
loss of sound during use of the device, or if any unusual smells or smoke
should appear to be caused by it, immediately turn off the power switch,
disconnect the electric plug from the outlet, and have the device inspected by
qualified Yamaha service personnel.
• If this device should be dropped or damaged, immediately turn off the power
switch, disconnect the electric plug from the outlet, and have the device
CAUTION
Always follow the basic precautions listed below to avoid the possibility of physical injury to you or others, or damage
to the device or other property. These precautions include, but are not limited to, the following:
• Remove the electric plug from the outlet when the device is not to be used for
extended periods of time, or during electrical storms.
• When removing the electric plug from the device or an outlet, always hold the
plug itself and not the cord. Pulling by the cord can damage it.
• Before moving the device, remove all connected cables.
• Do not expose the device to excessive dust or vibrations, or extreme cold or heat
(such as in direct sunlight, near a heater, or in a car during the day) to prevent
the possibility of panel disfiguration or damage to the internal components.
• Do not place the device in an unstable position where it might accidentally fall
over.
• When setting up the product, make sure that the AC outlet you are using is
easily accessible. If some trouble or malfunction occurs, immediately turn off
the power switch and disconnect the plug from the outlet. Even when the power
switch is turned off, electricity is still flowing to the product at the minimum
level. When you are not using the product for a long time, make sure to unplug
the power cord from the wall AC outlet.
• Do not use the device in the vicinity of a TV, radio, stereo equipment, mobile
phone, or other electric devices. Otherwise, the device, TV, or radio may
generate noise.
• Before connecting the device to other devices, turn off the power for all devices.
Before turning the power on or off for all devices, set all volume levels to
minimum.
• Be sure to connect to a properly grounded power source. A ground screw
terminal is provided on the rear panel for safely grounding the device and
preventing electrical shock.
• Do not insert your fingers or hand in any gaps or openings on the device.
•Avoid inserting or dropping foreign objects (paper, plastic, metal, etc.) into any
gaps or openings on the device. If this happens, turn off the power immediately
and unplug the power cord from the AC outlet. Then have the device inspected
by qualified Yamaha service personnel.
• Do not rest your weight on the device or place heavy objects on it, and avoid use
excessive force on the buttons, switches or connectors.
• This device has a built-in backup battery. When you unplug the power cord from
the AC outlet, the internal data is retained. However, if the backup battery fully
discharges, this data will be lost. When the backup battery is running low, the
GAIN display indicates “E1.” In this case, immediately have qualified Yamaha
service personnel replace the backup battery.
XLR-type connectors are wired as follows (IEC60268 standard): pin 1: ground, pin 2: hot (+), and pin 3: cold (-).
Yamaha cannot be held responsible for damage caused by improper use or modifications to the device, or data that is lost or destroyed.
Always turn the power off when the device is not in use.
The performance of components with moving contacts, such as switches, volume controls, and connectors, deteriorates over time. Consult qualified Yamaha service
personnel about replacing defective components.
Power supply/Power cord
Do not open
Water warning
If you notice any abnormality
Power supply/Power cord
Location
Connections
Handling caution
Backup battery
(5)-1
3
The above warning is located on the top of the unit.
Explanation of Graphical Symbols
The lightning flash with arrowhead symbol
within an equilateral triangle is intended to alert
the user to the presence of uninsulated “danger-
ous voltage” within the product’s enclosure that
may be of sufficient magnitude to constitute a
risk of electric shock to persons.
The exclamation point within an equilateral trian-
gle is intended to alert the user to the presence of
important operating and maintenance (servicing)
instructions in the literature accompanying the
product.
IMPORTANT SAFETY INSTRUCTIONS
1 Read these instructions.
2Keep these instructions.
3 Heed all warnings.
4 Follow all instructions.
5 Do not use this apparatus near water.
6 Clean only with dry cloth.
7 Do not block any ventilation openings. Install in
accordance with the manufacturer’s instructions.
8 Do not install near any heat sources such as radia-
tors, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
9 Do not defeat the safety purpose of the polarized
or grounding-type plug. A polarized plug has two
blades with one wider than the other. A grounding
type plug has two blades and a third grounding
prong. The wide blade or the third prong are pro-
vided for your safety. If the provided plug does not
fit into your outlet, consult an electrician for
replacement of the obsolete outlet.
10 Protect the power cord from being walked on or
pinched particularly at plugs, convenience recep-
tacles, and the point where they exit from the
apparatus.
11 Only use attachments/accessories specified by
the manufacturer.
12 Use only with the cart, stand,
tripod, bracket, or table speci-
fied by the manufacturer, or
sold with the apparatus. When a
cart is used, use caution when
moving the cart/apparatus com-
bination to avoid injury from tip-
over.
13 Unplug this apparatus during lightning storms or
when unused for long periods of time.
14 Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has
been damaged in any way, such as power-supply
cord or plug is damaged, liquid has been spilled or
objects have fallen into the apparatus, the appara-
tus has been exposed to rain or moisture, does
not operate normally, or has been dropped.
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK, DO NOT REMOVE
COVER (OR BACK). NO USER-SERVICEABLE
PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.
4
Part Names and Functions ...............5
Front Panel ................................................ 5
Rear Panel.................................................. 6
Basic Operations...............................7
Selecting the Wordclock............................. 7
Setting the Phantom Power ....................... 7
Adjusting the Gain ..................................... 7
Adjusting the Gain Trim (Gain Correction) . 7
Setting the High Pass Filter......................... 8
Copying the Channel Settings.................... 8
Selecting the AES/EBU Format.................... 8
Adjusting the LED Brightness ..................... 9
Panel Operation Lock................................. 9
Initializing the Memory .............................. 9
Remote Control ......................................... 9
Connection Examples...................... 10
AES/EBU Connections................................10
AD8HR Daisy Chain Connection ................10
Wordclocks ...................................... 11
AES/EBU Connections................................11
WORD CLOCK jack connection .................11
Appendix ......................................... 12
General Specifications................................12
I/O Characteristics .....................................12
Electrical Characteristics.............................13
Error Messages ..........................................14
DIGITAL OUT A/B Pin Assignment Table ....14
HA REMOTE Pin Assignment Table.............15
Dimensions ...............................................15
*All illustrations in this manual are intended to explain procedures. Therefore, some illustrations
may appear different than your unit.
*All names of companies and products that appear in this manual are trademarks or registered
trademarks of the respective owners.
Yamaha Proaudio website:
http://www.yamahaproaudio.com/
Table of Contents
IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord
WARNING:
THIS APPARATUS MUST BE EARTHED
IMPORTANT. The wires in this mains lead are coloured in accordance
with the following code:
GREEN-AND-YELLOW : EARTH
BLUE : NEUTRAL
BROWN : LIVE
As the colours of the wires in the mains lead of this apparatus may not
correspond with the coloured markings identifying the terminals in
your plug proceed as follows:
The wire which is coloured GREEN-and-YELLOW must be connected
to the terminal in the plug which is marked by the letter E or by the
safety earth symbol or colored GREEN or GREEN-and-YELLOW.
The wire which is coloured BLUE must be connected to the terminal
which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the termi-
nal which is marked with the letter L or coloured RED.
• This applies only to products distributed by Yamaha-Kemble Music (U.K.) Ltd. (3 wires)
ADVARSEL!
Lithiumbatteri—Eksplosionsfare ved fejlagtig håndtering. Udskiftning
må kun ske med batteri af samme fabrikat og type. Levér det brugte
batteri tilbage til leverandoren.
VARNING
Explosionsfara vid felaktigt batteribyte. Använd samma batterityp eller
en ekvivalent typ som rekommenderas av apparattillverkaren.
Kassera använt batteri enligt fabrikantens instruktion.
VAROITUS
Paristo voi räjähtää, jos se on virheellisesti asennettu. Vaihda paristo
ainoastaan laitevalmistajan suosittelemaan tyyppiin. Hävitä käytetty
paristo valmistajan ohjeiden mukaisesti.
(lithium caution)
NEDERLAND / THE NETHERLANDS
• Dit apparaat bevat een lithium batterij voor geheugen back-up.
• This apparatus contains a lithium battery for memory back-up.
• Raadpleeg uw leverancier over de verwijdering van de batterij op het
moment dat u het apparaat ann het einde van de levensduur of
gelieve dan contact op te nemen met de vertegenwoordiging van
Yamaha in uw land.
•For the removal of the battery at the moment of the disposal at the
end of life please consult your retailer or Yamaha representative
office in your country.
• Gooi de batterij niet weg, maar lever hem in als KCA.
• Do not throw away the battery. Instead, hand it in as small chemical
waste.
(lithium disposal)
* This applies only to products distributed by YAMAHA CORPORATION OF AMERICA.
(Perchlorate)
This product contains a battery that contains perchlorate material.
Perchlorate Material—special handling may apply,
See www.dtsc.ca.gov/hazardouswaste/perchlorate.
Part Names and Functions
5
Front Panel
A
WORD CLOCK indicators
These indicators indicate the currently selected
wordclock source. If the unit is not locking to the
selected wordclock source, the corresponding
wordclock source indicator flashes.
B
[WORD CLOCK] button
This button enables you to select the wordclock source
from 44.1kHz, 48kHz, 88.2kHz, 96kHz, WORD
CLOCK IN, and DIGITAL OUT A (See page 7.)
C
+48V indicators
These indicators indicate the on/off status of the +48
phantom power of the corresponding channels.
D
HPF indicators
These indicators indicate the on/off status of the high
pass filter of the corresponding channels.
E
Level meters
These meters indicate the corresponding channel
output level in six steps.
F
Channel Select buttons
These buttons enable you to select channels to edit.
G
[+48V] button
This button turns the +48 phantom power of the
selected channels on or off (See page 7.) The button
indicator lights up when the +48V phantom power of
the selected channels is turned on.
H
[HPF] button
This button turns the high pass filter of the selected
channels on or off (See page 8.) The button indicator
lights up when the high pass filter of the selected
channels is turned on.
I
Gain display
This 3-digit, 7-segment display indicates the gain of
the currently selected channel.
J
Gain control
This control sets the gain of the selected channel.
NOTE:
The PAD will be switched on or off internally when the gain
is adjusted between -14 dB and -13 dB. Keep in mind that
noise may be generated if there is a difference between
the Hot and Cold output impedance of the external device
connected to the INPUT connector when using phantom
power.
K
[+48V MASTER] switch
This switch turns the +48V phantom master power on
or off.
L
[POWER] switch
This switch turns the power to the AD8HR on or off.
The gain and high pass filter settings are stored even
after you turn off the power to the unit.
Part Names and Functions
+48V
HPF
dB
96kHz
88.2kHz
48kHz
44.1kHz
+48V
OFF ON
MASTER
WORD CLOCK
12
7
6
8LKJ9
5
3
4
• If you don’t need phantom power, be sure to turn
this button off.
• Before you turn phantom power on, make sure
that no devices other than phantom-powered
devices, such as a condenser microphone, are
connected. Otherwise, you risk damaging the
devices.
CAUTION
• Do not connect or disconnect a device while
phantom power is applied. Doing so can damage
the connected device and/or the unit itself.
•To protect your speaker system, leave the power
amps (powered speakers) turned off when
switching the phantom power on/off. We also
recommend that you set all output level faders to
the minimum position. Otherwise, high-volume
output may damage your hearing or equipment.
6
Part Names and Functions
NOTE:
To avoid loud noise from the speakers, turn on the power
first to the connected devices that are closest to the sound
source.
Example: Sound source
→
AD8HR
→
Mixer
→
Power
amplifier
To turn off the power to the system, reverse the order
described above.
Rear Panel
A
Grounding screw
For safety, use this screw to ground the AD8HR. The
included power cable has a three-pin plug. If the AC
outlet is grounded, the AD8HR will be grounded
correctly via the power cable. If the AC outlet does not
provide a suitable ground, this screw must be
connected to a suitable ground point. Grounding is
also an effective method for eliminating hum,
interference, and other noise.
B
[AC IN] connector
Connect the included power cable here. First, connect
the power cable to the AD8HR, then insert the power
cable plug into the AC outlet.
C
[HA REMOTE] connector 1
This D-sub 9-pin connector is used to connect a
computer or Yamaha PM5D Digital Console or
DM2000 to control the AD8HR remotely. In a
multiple AD8HR system, connect an AD8HR to [HA
REMOTE] connector 1 on an additional AD8HR.
NOTE:
Please visit the following Yamaha website for the latest
information about the devices that can control the AD8HR
remotely.
http://www.yamahaproaudio.com/
D
[PC RS422] switch
If you connect a computer to [HA REMOTE]
connector 1, set this switch to PC. If you connect a
Yamaha PM5D or DM2000, or an additional AD8HR
in a multiple AD8HR system, to [HA REMOTE]
connector 1, set this switch to RS422.
E
[HA REMOTE] connector 2
In a multiple AD8HR system, connect one AD8HR to
this D-sub 9-pin connector on another AD8HR.
F
[DIGITAL OUT A/B] connector
These D-sub 25-pin connectors output AES/EBU
format digital audio. In Double Speed mode, each
connector outputs digital audio data routed from
Channels 1–8. In Double Channel mode, the
[DIGITAL OUT A] connector outputs digital audio
data routed from Channels 1–4, and the [DIGITAL
OUT B] connector outputs digital audio data routed
from Channels 5–8.
G
[WORD CLOCK OUT] connector
This BNC connector outputs a wordclock signal.
H
[WORD CLOCK IN] connector
This BNC connector inputs a wordclock signal. This
connector is terminated at 75
Ω
.
I
INPUT 1–8 connectors
These balanced XLR-3-31-type connectors are used to
input analog signals to the corresponding channels.
12 5
34
678 9
Be sure to use the included power cable.
Use of other cables may result in malfunction,
heat generation, or fire.
WARNING
Basic Operations
7
Selecting the Wordclock
You can select from the following wordclock source
options: internal clock (44.1kHz, 48kHz, 88.2kHz, and
96kHz), WORD CLOCK IN, or DIGITAL OUT A.
1
Press the [WORD CLOCK] button repeatedly
to select the wordclock source.
The indicator of the selected wordclock flashes rapidly.
2
While the indicator is flashing rapidly, press
the [WORD CLOCK] button again.
The AD8HR switches to the selected wordclock source
and the flashing wordclock indicator stays lit. The
indicator of the previously-selected wordclock source
turns off.
If you do not press the [WORD CLOCK] button again
before the indicator stops flashing (it will flash for five
seconds), the new selection is cancelled and the
previous wordclock is selected.
If the AD8HR is not locking to the selected wordclock
source, the corresponding wordclock source indicator
flashes.
NOTE:
The only word clock source available via the AES/EBU
connection is the IN signal of DIGITAL OUT A channels 1/
2.
Setting the Phantom Power
Follow the steps below to turn the +48V phantom
power for each channel on or off.
NOTE:
You can also turn the phantom power for all channels on
or off simultaneously (not individual channels) using the
[+48V MASTER] switch. When the [+48V MASTER] switch
is turned off, the phantom power is not supplied to
channels even if the [+48V] button is turned on for the
channels.
1
Press the Channel Select buttons to select the
channels.
The selected channels’ Channel Select button
indicators light up. The channel +48V indicator lights
up when the +48V phantom power for the selected
channels is turned on.
2
Press the [+48V] button.
If phantom power for the selected channels was off
before the operation, the [+48V] button indicator
starts flashing rapidly. If phantom power for the
selected channels was on before the operation, the
[+48V] button indicator and the phantom power for
the selected channels turns off.
3 While the indicator is flashing rapidly, press
the [+48V] button again.
The phantom power for the selected channels turns
on, and the corresponding channel [+48V] indicators
and the [+48V] button indicator light up.
If you do not press the [+48V] button again before the
indicator stops flashing (it will flash for five seconds),
the setting is cancelled.
Adjusting the Gain
Follow the steps below to adjust the channel gain in
1dB steps.
1 Press the Channel Select button to select a
channel.
The selected channel’s Channel Select button indicator
lights up and the Gain display indicates the gain value.
2 Rotate the Gain control to adjust the gain
You can adjust the gain in the range of 10dB through
–62dB in 1dB steps.
NOTE:
• While adjusting the gain, you may notice that the sound
is briefly interrupted. This is not a malfunction. The
internal setting is switched in steps of 6 dB, and the
sound is momentarily muted so that the noise will not be
created during the switching operation.
• The PAD will be switched on or off internally when the
gain is adjusted between -14 dB and -13 dB. Keep in
mind that noise may be generated if there is a
difference between the Hot and Cold output impedance
of the external device connected to the INPUT
connector when using phantom power.
Adjusting the Gain Trim (Gain
Correction)
Follow the steps below to correct the channel gain in
0.1dB steps. The output level of each channel has been
calibrated in the factory. Typically, you will not have to
correct the setting.
NOTE:
In the factory, the level has been set to the optimum value
and the initial level varies with each channel. This setting
is reset to the factory value when you initialize the backup
memory.
1 Press and hold down the desired Channel
Select button for more than two seconds.
The Channel Select button indicator flashes and the
Gain display indicates the gain trim value.
Basic Operations
8
Basic Operations
2 Rotate the Gain control to adjust the gain trim
value.
You can adjust the gain trim value in the range of
–1.5dB through +1.5dB in 0.1dB steps.
3 Press the same Channel Select button again.
The Channel Select button indicator lights up and the
Gain display indicates the gain value.
Setting the High Pass Filter
Each channel features a high pass filter (12dB/octave)
that you can turn on or off. You can set individual cut-
off frequencies for each channel’s high pass filter.
1 Press the Channel Select button to select a
channel.
The selected channels’ Channel Select button
indicators light up. The channel HPF indicator lights
up when the high pass filter for the selected channels is
turned on.
2 Press the [HPF] button to turn the channel
high pass filter on or off.
3 To change the cut-off frequency, press and
hold down the [HPF] button for more than
two seconds.
The [HPF] button indicator flashes rapidly and the
Gain display indicates the cut-off frequency.
4 Rotate the Gain control to set the cut-off fre-
quency.
You can set the cut-off frequency in the range of 20Hz
through 600Hz (in 60 steps).
5 Press the [HPF] button again.
The [HPF] button indicator returns to the previous
(on or off) status and the Gain display indicates the
gain value.
Copying the Channel Settings
Follow the steps below to copy channel settings to
another channel. You can copy the following settings:
channel gain, high pass filter on/off, cut-off frequency,
and phantom power on/off. The gain trim value will
not be copied.
1 Press and hold down the Channel Select but-
ton of the copy source channel, and press the
Channel Select button of the copy destination
channel.
The channel settings will be copied. To copy the same
channel settings to a different channel, continue
holding down the Channel Select button of the copy
source channel, and press the Channel Select button of
the target channel.
Selecting the AES/EBU Format
You can select Double Speed mode (AE1) or Double
Channel mode (AE2) for the AES/EBU format.
■ Double Speed Mode
In Double Speed mode, digital audio data is
transmitted at the current higher sampling rate (i.e.,
88.2kHz or 96kHz). Select this mode if the devices that
support the higher sampling rates receive data.
The [DIGITAL OUT A] and [DIGITAL OUT B]
connectors each output digital audio data routed from
Channels 1–8.
■ Double Channel Mode
In Double Channel mode, digital audio data is
transmitted as mono signals at a sampling rate that is
exactly half (44.1/48kHz) the current higher sampling
rate. The data is handled by two channels. This is
useful when you wish to transfer data from the
AD8HR running at a higher sampling rate to legacy
44.1/48kHz digital devices.
The [DIGITAL OUT A] connector outputs digital
audio data routed from Channels 1–4, and the
[DIGITAL OUT B] connector outputs digital audio
data routed from Channels 5–8. However, if the
AD8HR is running at a sampling rate of 44.1/48kHz,
each connector outputs digital audio data routed from
Channels 1–8.
If the wordclock master is DIGITAL OUT A, the
AD8HR will run at a clock rate that is twice (88.2/
96kHz) the incoming clock (44.1/48kHz).
1 Turn off the power to the AD8HR.
2 Press and hold down the [WORD CLOCK] but-
ton and the Channel Select button of Channel
1 or 2, then turn on the [POWER] switch.
Pressing the Channel Select button of Channel 1 will
select Double Speed mode (AE1). Pressing the
Channel Select button of Channel 2 will select Double
Channel mode (AE2). At the same time, the Gain
display will indicate the selected mode (AE1 or AE2)
for one second.
Basic Operations
9
Adjusting the LED Brightness
Follow the steps below to adjust the brightness of the
front panel LED and Gain display.
1 While pressing and holding down the Channel
Select button of Channel 8, rotate the Gain
control to adjust the brightness.
You can adjust the brightness in seven steps.
Panel Operation Lock
You can lock the buttons and controls on the front
panel to avoid any trouble due to unauthorized or
unintentional operation. Note that you cannot lock
the operation from the remote control.
1 Press the [WORD CLOCK] button, [+48V] but-
ton, and [HPF] button simultaneously.
This will turn the Panel Operation Lock function on
or off. If the Panel Operation Lock function is turned
on, the Gain display flashes when you operate the
front panel, but you cannot change the settings.
Initializing the Memory
Follow the steps below to initialize the backup
memory to reset to the factory value.
1 Turn off the power to the AD8HR.
2 While pressing and holding down the Channel
Select button of Channel 4 and the [+48V]
button, turn on the [POWER] switch.
The backup memory will be initialized.
The backup memory stores the following settings.
Remote Control
A special protocol enables you to control the AD8HR
from a computer or Yamaha PM5D or DM2000 that is
connected to [HA REMOTE] connector 1. You can
also remotely control up to 255 AD8HRs that are
connected to one another. However, the maximum
number of AD8HRs that can be controlled remotely
depends on the type of connected device.
When each AD8HR receives control signals, the Gain
display indicates the ID number of the corresponding
unit. This is useful when you wish to identify each of
multiple AD8HRs that are connected in a system.
When you operate the panel on the unit, its ID
number on the Gain display disappears. The ID
number of the AD8HRs is determined based on the
connection order in the daisy chain.
You can also create a daisy chain connection that
mixes AD8HRs and Yamaha AD824 AD converters.
However, in such a system, any AD8HR that is
connected after any AD824 unit (when seen from the
host device; e.g., computer) will be recognized as an
AD824, and you will be unable to control the
following functionality on these AD8HR units. For
this reason, we recommend that you connect all
AD8HR units closer to the host than any AD824 unit.
•High pass filter on/off and cutoff frequency cannot
be controlled
• Gain adjustment will be in 6 dB steps
• [+48V MASTER] switch on/off status cannot be
monitored
If a computer is connected to [HA REMOTE]
connector 1, set the [PC RS422] switch to PC. If you
connect a Yamaha PM5D or DM2000, or another
AD8HR in a multiple AD8HR system, to [HA
REMOTE] connector 1, set this switch to RS422.
NOTE:
• If you are remotely controlling the AD8HR from a device
that supports only the AD824, the device will recognize all
AD8HRs as AD824s.
• When remotely controlling the AD8HR from a Yamaha
DM2000/DM1000, all AD8HR units may be recognized as
AD824 units and some functionality may be limited unless
the DM2000/DM1000 firmware is V2.0 or later. For the
latest information, refer to the following website.
http://www.yamahaproaudio.com/
• If you are connecting the [HA REMOTE] connectors on
two AD8HRs to each other, be careful to avoid loop
connection.
Channel settings Global settings
• Phantom power on/off
• Gain
• Gain trim
• High pass filter on/off
• High pass filter cut-off
frequency
•Wordclock
• AES/EBU format
• LED brightness
•Panel Operation Lock
setting
10
Connection Examples
AES/EBU Connections
Use a D-sub 25-pin AES/EBU cable to connect a
digital audio device that supports the AES/EBU
format. To connect a Yamaha PM5D or DM2000 to
the AD8HR, first you must install an optional I/O card
(MY8-AE, MY8-AE96S, MY8-AE96, or MY16-AE) in
the PM5D or DM2000.
AD8HR Daisy Chain Connection
You can connect multiple AD8HRs to a Yamaha
PM5D or DM2000. Connect [HA REMOTE]
connector 1 of the first AD8HR to the COM connector
of the DM2000, and connect [HA REMOTE]
connector 2 to [HA REMOTE] connector 1 of the
second AD8HR. Set the [PC RS422] switches on both
AD8HRs to RS422. Specify the DM2000 as the
wordclock master, and set the wordclock source on the
AD8HR to DIGITAL OUT A.
Connection Examples
DIGITAL OUT A/B
AD8HR
+48V
HPF
dB
96kHz
88.2kHz
48kHz
44.1kHz
+48V
OFF ON
MASTER
WORD CLOCK
Digital audio devices
(PM5D, DM2000, etc.)
Analog in x 8
Optional I/O card
AES/EBU cable
COMSLOT 1 SLOT 2
HA REMOTE 2
HA REMOTE 2
DIGITAL
OUT A
HA REMOTE 1
HA REMOTE 1
AD8HR #1
+48V
HPF
dB
96kHz
88.2kHz
48kHz
44.1kHz
+48V
OFF ON
MASTER
WORD CLOCK
DIGITAL
OUT A
AD8HR #2
+48V
HPF
dB
96kHz
88.2kHz
48kHz
44.1kHz
+48V
OFF ON
MASTER
WORD CLOCK
Digital audio devices
(PM5D, DM2000, etc.)
Analog in x 8
Analog in x 8
Wordclocks
11
For proper AD conversion and digital audio data transmission and reception, the D8HRs and external
digital audio devices must lock to an identical wordclock. The AD8HR is capable of transmitting a
wordclock signal of 44.1kHz, 48kHz, 88.2kHz, and 96kHz, you can use the AD8HR as the wordclock
master and the external devices as wordclock slaves. The AD8HR can also lock to the wordclock signal
received at the [DIGITAL OUT A] connector or [WORD CLOCK IN] connector.
AES/EBU Connections
Use an AES/EBU cable to transmit digital audio data
and receive a wordclock signal on the AD8HR.
NOTE:
In Double Channel mode, the AD8HR will run at a clock
rate that is twice (88.2/96kHz) the clock (44.1/48kHz)
received at the [DIGITAL OUT A] connector. In Double
Speed mode, the AD8HR will run at a clock rate that is the
same as the wordclock (88.2/96kHz) received at the
[DIGITAL OUT A] connector.
WORD CLOCK jack connection
The AD8HR can receive wordclock signals at the
[WORD CLOCK IN] connector. The [WORD CLOCK
IN] connector and [WORD CLOCK OUT] connector
can also be connected in series to allow multiple
AD8HR units to receive a wordclock signal.
The AD8HR’s [WORD CLOCK IN] connector is
terminated at 75 ohms. Do not use a “T” connector to
make connections.
Wordclocks
DIGITAL OUT A
AD8HR
+48V
HPF
dB
96kHz
88.2kHz
48kHz
44.1kHz
+48V
OFF ON
MASTER
WORD CLOCK
Digital audio devices
(PM5D, DM2000, etc.)
WordclockAudio data
Wordclock source = DIGITAL OUT A
AD8HR AD8HR AD8HR AD8HR
WORD CLOCK
IN OUT
WORD CLOCK
IN OUT
WORD CLOCK
IN OUT
WORD CLOCK
IN
Wordclock
master
12
Appendix
General Specifications
■ Analog Input
INPUT 1–8
XLR-3-31 Balanced
AD converter 24-bit linear
128-times Oversampling
■ Digital Output
DIGITAL OUT A, B
D-Sub 25-pin Balanced
■ Connectors
WORD CLOCK IN (75Ω Auto Terminated): BNC
WORD CLOCK OUT: BNC
HA REMOTE (PC-RS422): D-Sub 9-pin with PC-RS422
switch
HA REMOTE (RS422): D-Sub 9-pin
■ Controls
+48V Master Switch
GAIN/DATA encoder
■ Keys
[WORD CLOCK]
[SELECT1]–[SELECT8]
[+48V]
[HPF]
■ LEDs
WORD CLOCK [44.1kHz]/[48kHz]/[88.2kHz]/[96kHz]
/[WORD CLOCK IN]/[DIGITAL OUT A]
LEVEL METER 1–8 8x6 Segment
SELECT 1–8
+48V 1–8, Selected Channel
HPF 1–8, Selected Channel
GAIN/DATA Display 7seg x3
■ Functions
HPF Frequency 20Hz–600Hz
INPUT GAIN TRIM –1.5 dB to 1.5 dB (0.1 dB step)
AES/EBU Higher Sampling Rate Data Output Format
Double Speed / Double Channel
Panel Lock
Panel Brightness 7 steps
■ Miscellaneous
Power Requirements U.S./Canada: 120 V 35 W, 60 Hz
Others: 230 V 35 W, 50 Hz
Dimensions (HxDxW) 45 x 383.5 x 480 mm
Net Weight 5 kg
Operation free-air temperature range
5 to 40 °C
Storage temperature –20 to 60 °C
Accessories AC Cable
Rubber Feet x 4
Owner’s Manual
I/O Characteristics
Analog Input Specifications
Digital I/O Specifications
Appendix
Input Terminals GAIN
Actual Load
Impedance
For Use With
Nominal
Input level
Connector
Nominal Max. before clip
INPUT 1–8
–62 dB
3k Ω
50~600 Ω Mics &
600 Ω Lines
–62 dBu (615 µV) –42 dBu (6.15 mV)
XLR-3-31 type
(Balanced)
*1
*1. XLR-3-31 type connectors are balanced. (1=GND, 2=HOT, 3=COLD)
*2. In these specifications, when dBu represents a specific voltage, 0dBu is referenced to 0.775 Vrms.
*3. AD converters are 24-bit linear, 128-times oversampling.
+10 dB +10 dBu (2.45 V) +30 dBu (24.5 V)
Input/Output Terminals Format Level Connector in Console
Input 1/2 (word clock only)
*1
Output 1–8 x 2
*1. Input 1/2 on DIGITAL OUT A can be selected for word clock master.
*2. Fs= 44.1, 48, 88.2 and 96 kHz is supported.
*3. Double Channel mode is supported (Fs= 88.2, 96 kHz).
*4. When locked to the word clock received via WORD CLOCK IN, the word clock will be output from WORD CLOCK OUT.
AES/EBU RS422 D-SUB 25p Female
HA REMOTE x 2 — RS422 D-SUB 9p Male
WORD CLOCK IN — TTL / 75Ω BNC
WORD CLOCK OUT — TTL / 75Ω BNC
Appendix
13
Electrical Characteristics
Measured at DIGITAL OUT. Output impedance of signal generator: 150Ω.
■ Frequency Response
fs=44.1kHz or 48kHz @20Hz–20kHz, with reference to –1dBFs @1kHz
fs=88.2kHz or 96kHz@20Hz-40kHz, with reference to –1dBFs @1kHz
■ Gain Error @1kHz
■ Total Harmonic Distortion
fs=44.1kHz or 48kHz
fs=88.2kHz or 96kHz
■ Hum & Noise
fs=44.1kHz, 48kHz, 88.2kHz or 96kHz
* Hum & Noise are measured with an A-weighting filter.
■ EIN Measured with DA824 EIN=Equivalent Input Noise
* EIN is measured with a 6 dB/octave filter @12.7 kHz; equivalent to a 20 kHz filter with infinite dB/octave attenuation.
■ Dynamic Range
* Dynamic Range is measured with an A-weighting filter.
■ Crosstalk @1kHz
■ Phantom Voltage
Input Output Conditions MIN TYP MAX UNITS
INPUT 1–8 DIGITAL OUT 1–8 GAIN: –62 dB –3 1 dB
INPUT 1–8 DIGITAL OUT 1–8 GAIN: +10 dB –1.5 1 dB
Input Output Conditions MIN TYP MAX UNITS
INPUT 1–8 DIGITAL OUT 1–8 GAIN: –62 dB –3 1 dB
INPUT 1–8 DIGITAL OUT 1–8 GAIN: +10 dB –1.5 1 dB
Input Output Conditions MIN TYP MAX UNITS
INPUT 1–8 DIGITAL OUT 1–8 GAIN: –62dB to +10dB –1 1 dB
Input Output Conditions MIN TYP MAX UNITS
INPUT 1–8 DIGITAL OUT 1–8 –1 dBFs output @1kHz GAIN: –62 dB 0.05 %
INPUT 1–8 DIGITAL OUT 1–8 –1 dBFs output @1kHz GAIN: +10 dB 0.01 %
Input Output Conditions MIN TYP MAX UNITS
INPUT 1–8 DIGITAL OUT 1–8 –1 dBFs output @1kHz GAIN: –62 dB 0.05 %
INPUT 1–8 DIGITAL OUT 1–8 –1 dBFs output @1kHz GAIN: +10 dB 0.01 %
Input Output Conditions MIN TYP MAX UNITS
INPUT 1–8 DIGITAL OUT 1–8 Rs=150 Ω, GAIN: –62 dB –80 dBFs
INPUT 1–8 DIGITAL OUT 1–8 Rs=150 Ω, GAIN: +10 dB –110 dBFs
Input Output Conditions MIN TYP MAX UNITS
INPUT 1–8 DIGITAL OUT 1–8 Rs=150 Ω, GAIN: –62 dB –128 dB
Input Output Conditions MIN TYP MAX UNITS
INPUT 1–8 DIGITAL OUT 1–8 GAIN: +10 dB 110 dB
From/To To/From Conditions MIN TYP MAX UNITS
CH N CH (N-1) or (N+1) adjacent inputs GAIN: +10dB –80 dB
Output Conditions MIN TYP MAX UNITS
INPUT 1–8 hot & cold: No load 46 48 50 V
14
Appendix
■ LED Level Meter
Error Messages
The AD8HR automatically diagnoses itself at the time of power up. If it detects a system abnormality,
one of the following error messages appears. If an abnormality is detected, consult your Yamaha dealer.
E1: The backup battery voltage is low. If the voltage is lowered further, the stored data will be erased. Ask
your dealer to replace the battery.
E2: The backup memory is corrupted.
E3: The backup battery voltage is very low and the backup memory is corrupted.
DIGITAL OUT A/B Pin Assignment Table
Input Output Conditions MIN TYP MAX UNITS
INPUT 1–8 DIGITAL OUT 1–8
OVER red LED: ON 0 dBFs
–6 amber LED: ON –6 dBFs
–12 amber LED: ON –12 dBFs
–18 amber LED: ON –18 dBFs
–30 green LED: ON –30 dBFs
–48 green LED: ON –48 dBFs
Parameter Conditions MIN TYP MAX UNITS
Sampling
Frequency
Frequency Range
Normal Rate 39.69 50.88 kHz
Double Rate 79.38 101.76 kHz
Jitter of PLL
DIGITAL IN fs=44.1kHz 10 ns
DIGITAL IN fs=48 kHz 10 ns
DIGITAL IN fs=39.69–50.88 kHz 20 ns
DIGITAL IN fs=88.2 kHz 10 ns
DIGITAL IN fs=96 kHz 10 ns
DIGITAL IN fs=79.38–101.76 kHz 20 ns
Internal
Clock
Frequency
word clock : int 44.1 kHz 44.1 kHz
word clock : int 48 kHz 48 kHz
word clock : int 88.2 kHz 88.2 kHz
word clock : int 96 kHz 96 kHz
Accuracy
word clock : int 44.1 kHz 50 ppm
word clock : int 48 kHz 50 ppm
word clock : int 88.2 kHz 50 ppm
word clock : int 96 kHz 50 ppm
Jitter
word clock : int 44.1 kHz 5 ns
word clock : int 48 kHz 5 ns
word clock : int 88.2 kHz 5 ns
word clock : int 96 kHz 5 ns
Signal Delay
analog input to digital output @fs=48 kHz 0.9 ms
@fs=96 kHz 0.45 ms
Signal
Data In Ch
*1
*1. Data In Ch can be received only on DIGITAL OUT A.
Data Out Ch
Open GND
1–2 1–2 3–4 5–6 7–8
Pin
Hot 1 5678
2, 3, 4, 9,11,
15, 16, 17
10, 12, 13,
22, 23, 24, 25
Cold 14 18 19 20 21
25
14
13
1
Appendix
15
HA REMOTE Pin Assignment Table
Dimensions
*If you do not intend to rack mount the AD8HR, attach the included rubber feet to the bottom
surface of the unit.
Attach the rubber feet in the positions marked by small circles on the bottom.
Specifications and descriptions in this owner’s manual are for information purposes only. Yamaha
Corp. reserves the right to change or modify products or specifications at any time without prior notice.
Since specifications, equipment or options may not be the same in every locale, please check with your
Yamaha dealer.
European models
Purchaser/User Information specified in EN55103-1 and EN55103-2.
Inrush Current: 35 A
Conforms to Environments: E1, E2, E3 and E4
Pin Signal Name Pin Signal Name
1 N.C. 6
RX+/DSR
*1
2
RX-/RXD
*1
*1. RS422/PC
7 RTS
3
TX-/TXD
*1
8 CTS
4
TX+/DTR
*1
9 N.C.
5 GND
11
480
44
19
353.5
383.5
350
65
50
250
45
Unit mm
When the
included rubber
feet are
attached*
16
17
18
1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT!
This product, when installed as indicated in the instructions con-
tained in this manual, meets FCC requirements. Modifications not
expressly approved by Yamaha may void your authority, granted by
the FCC, to use the product.
2. IMPORTANT: When connecting this product to accessories and/
or another product use only high quality shielded cables. Cable/s
supplied with this product MUST be used. Follow all installation
instructions. Failure to follow instructions could void your FCC
authorization to use this product in the USA.
3. NOTE: This product has been tested and found to comply with the
requirements listed in FCC Regulations, Part 15 for Class “B” digital
devices. Compliance with these requirements provides a reason-
able level of assurance that your use of this product in a residential
environment will not result in harmful interference with other elec-
tronic devices. This equipment generates/uses radio frequencies
and, if not installed and used according to the instructions found in
the users manual, may cause interference harmful to the operation
of other electronic devices. Compliance with FCC regulations does
* This applies only to products distributed by YAMAHA CORPORATION OF AMERICA. (class B)
not guarantee that interference will not occur in all installations. If
this product is found to be the source of interference, which can be
determined by turning the unit “OFF” and “ON”, please try to elimi-
nate the problem by using one of the following measures:
Relocate either this product or the device that is being affected by
the interference.
Utilize power outlets that are on different branch (circuit breaker or
fuse) circuits or install AC line filter/s.
In the case of radio or TV interference, relocate/reorient the
antenna. If the antenna lead-in is 300 ohm ribbon lead, change the
lead-in to co-axial type cable.
If these corrective measures do not produce satisfactory results,
please contact the local retailer authorized to distribute this type of
product. If you can not locate the appropriate retailer, please con-
tact Yamaha Corporation of America, Electronic Service Division,
6600 Orangethorpe Ave, Buena Park, CA90620
The above statements apply ONLY to those products distributed by
Yamaha Corporation of America or its subsidiaries.
FCC INFORMATION (U.S.A.)
* This applies only to products distributed by
YAMAHA CORPORATION OF AMERICA.
COMPLIANCE INFORMATION STATEMENT
(DECLARATION OF CONFORMITY PROCEDURE)
Responsible Party : Yamaha Corporation of America
Address : 6600 Orangethorpe Ave., Buena Park, Calif. 90620
Telephone : 714-522-9011
Type of Equipment : AD Converter with Remote Preamp
Model Name : AD8HR
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following conditions:
1) this device may not cause harmful interference, and
2) this device must accept any interference received including interference
that may cause undesired operation.
See user manual instructions if interference to radio reception is sus-
pected.
(FCC DoC)
For details of products, please contact your nearest Yamaha
representative or the authorized distributor listed below.
Pour plus de détails sur les produits, veuillez-vous adresser à Yamaha ou
au distributeur le plus proche de vous figurant dans la liste suivante.
Die Einzelheiten zu Produkten sind bei Ihrer unten aufgeführten
Niederlassung und bei Yamaha Vertragshändlern in den jeweiligen
Bestimmungsländern erhältlich.
Para detalles sobre productos, contacte su tienda Yamaha más cercana
o el distribuidor autorizado que se lista debajo.
CANADA
Yamaha Canada Music Ltd.
135 Milner Avenue, Scarborough, Ontario,
M1S 3R1, Canada
Tel: 416-298-1311
U.S.A.
Yamaha Corporation of America
6600 Orangethorpe Ave., Buena Park, Calif. 90620,
U.S.A.
Tel: 714-522-9011
MEXICO
Yamaha de México S.A. de C.V.
Calz. Javier Rojo Gómez #1149,
Col. Guadalupe del Moral
C.P. 09300, México, D.F., México
Tel: 55-5804-0600
BRAZIL
Yamaha Musical do Brasil Ltda.
Rua Joaquim Floriano, 913 - 4' andar, Itaim Bibi,
CEP 04534-013 Sao Paulo, SP. BRAZIL
Tel: 011-3704-1377
ARGENTINA
Yamaha Music Latin America, S.A.
Sucursal de Argentina
Olga Cossettini 1553, Piso 4 Norte
Madero Este-C1107CEK
Buenos Aires, Argentina
Tel: 011-4119-7000
PANAMA AND OTHER LATIN
AMERICAN COUNTRIES/
CARIBBEAN COUNTRIES
Yamaha Music Latin America, S.A.
Torre Banco General, Piso 7, Urbanización Marbella,
Calle 47 y Aquilino de la Guardia,
Ciudad de Panamá, Panamá
Tel: +507-269-5311
THE UNITED KINGDOM
Yamaha Music U.K. Ltd.
Sherbourne Drive, Tilbrook, Milton Keynes,
MK7 8BL, England
Tel: 01908-366700
GERMANY
Yamaha Music Europe GmbH
Siemensstraße 22-34, 25462 Rellingen, Germany
Tel: 04101-3030
SWITZERLAND/LIECHTENSTEIN
Yamaha Music Europe GmbH
Branch Switzerland in Zürich
Seefeldstrasse 94, 8008 Zürich, Switzerland
Tel: 01-383 3990
AUSTRIA
Yamaha Music Europe GmbH Branch Austria
Schleiergasse 20, A-1100 Wien, Austria
Tel: 01-60203900
CZECH REPUBLIC/SLOVAKIA/
HUNGARY/SLOVENIA
Yamaha Music Europe GmbH Branch Austria
Schleiergasse 20, A-1100 Wien, Austria
Tel: 01-602039025
POLAND
Yamaha Music Europe GmbH
Branch Sp.z o.o. Oddzial w Polsce
ul. 17 Stycznia 56, PL-02-146 Warszawa, Poland
Tel: 022-868-07-57
THE NETHERLANDS/
BELGIUM/LUXEMBOURG
Yamaha Music Europe Branch Benelux
Clarissenhof 5-b, 4133 AB Vianen, The Netherlands
Tel: 0347-358 040
FRANCE
Yamaha Musique France
BP 70-77312 Marne-la-Vallée Cedex 2, France
Tel: 01-64-61-4000
ITALY
Yamaha Musica Italia S.P.A.
Combo Division
Viale Italia 88, 20020 Lainate (Milano), Italy
Tel: 02-935-771
SPAIN/PORTUGAL
Yamaha Música Ibérica, S.A.
Ctra. de la Coruna km. 17, 200, 28230
Las Rozas (Madrid), Spain
Tel: 91-639-8888
SWEDEN
Yamaha Scandinavia AB
J. A. Wettergrens Gata 1, Box 30053
S-400 43 Göteborg, Sweden
Tel: 031 89 34 00
DENMARK
YS Copenhagen Liaison Office
Generatorvej 6A, DK-2730 Herlev, Denmark
Tel: 44 92 49 00
NORWAY
Norsk filial av Yamaha Scandinavia AB
Grini Næringspark 1, N-1345 Østerås, Norway
Tel: 67 16 77 70
RUSSIA
Yamaha Music (Russia)
Room 37, bld. 7, Kievskaya street, Moscow,
121059, Russia
Tel: 495 626 5005
OTHER EUROPEAN COUNTRIES
Yamaha Music Europe GmbH
Siemensstraße 22-34, 25462 Rellingen, Germany
Tel: +49-4101-3030
Yamaha Corporation,
Asia-Pacific Sales & Marketing Group
Nakazawa-cho 10-1, Naka-ku, Hamamatsu,
Japan 430-8650
Tel: +81-53-460-2303
TURKEY/CYPRUS
Yamaha Music Europe GmbH
Siemensstraße 22-34, 25462 Rellingen, Germany
Tel: 04101-3030
OTHER COUNTRIES
Yamaha Music Gulf FZE
LOB 16-513, P.O.Box 17328, Jubel Ali,
Dubai, United Arab Emirates
Tel: +971-4-881-5868
THE PEOPLE’S REPUBLIC OF CHINA
Yamaha Music & Electronics (China) Co.,Ltd.
2F, Yunhedasha, 1818 Xinzha-lu, Jingan-qu,
Shanghai, China
Tel: 021-6247-2211
INDIA
Yamaha Music India Pvt. Ltd.
5F Ambience Corporate Tower Ambience Mall Complex
Ambience Island, NH-8, Gurgaon-122001, Haryana, India
Tel: 0124-466-5551
INDONESIA
PT. Yamaha Musik Indonesia (Distributor)
PT. Nusantik
Gedung Yamaha Music Center, Jalan Jend. Gatot
Subroto Kav. 4, Jakarta 12930, Indonesia
Tel: 021-520-2577
KOREA
Yamaha Music Korea Ltd.
8F, 9F, Dongsung Bldg. 158-9 Samsung-Dong,
Kangnam-Gu, Seoul, Korea
Tel: 02-3467-3300
MALAYSIA
Yamaha Music (Malaysia) Sdn., Bhd.
Lot 8, Jalan Perbandaran, 47301 Kelana Jaya,
Petaling Jaya, Selangor, Malaysia
Tel: 03-78030900
SINGAPORE
Yamaha Music (Asia) Pte., Ltd.
#03-11 A-Z Building
140 Paya Lebor Road, Singapore 409015
Tel: 6747-4374
TAIWAN
Yamaha KHS Music Co., Ltd.
3F, #6, Sec.2, Nan Jing E. Rd. Taipei.
Taiwan 104, R.O.C.
Tel: 02-2511-8688
THAILAND
Siam Music Yamaha Co., Ltd.
4, 6, 15 and 16
th
floor, Siam Motors Building,
891/1 Rama 1 Road, Wangmai,
Pathumwan, Bangkok 10330, Thailand
Tel: 02-215-2622
OTHER ASIAN COUNTRIES
Yamaha Corporation,
Asia-Pacific Sales & Marketing Group
Nakazawa-cho 10-1, Naka-ku, Hamamatsu,
Japan 430-8650
Tel: +81-53-460-2303
AUSTRALIA
Yamaha Music Australia Pty. Ltd.
Level 1, 99 Queensbridge Street, Southbank,
Victoria 3006, Australia
Tel: 3-9693-5111
COUNTRIES AND TRUST
TERRITORIES IN PACIFIC OCEAN
Yamaha Corporation,
Asia-Pacific Sales & Marketing Group
Nakazawa-cho 10-1, Naka-ku, Hamamatsu,
Japan 430-8650
Tel: +81-53-460-2303
NORTH AMERICA
CENTRAL & SOUTH AMERICA
EUROPE
AFRICA
MIDDLE EAST
ASIA
OCEANIA
HEAD OFFICE Yamaha Corporation, Pro Audio Division
Nakazawa-cho 10-1, Naka-ku, Hamamatsu, Japan 430-8650
Tel: +81-53-460-2441
PA27
010IPTO-F0
Yamaha Manual Library
http://www.yamaha.co.jp/manual/
Yamaha Pro Audio Global Web Site
http://www.yamahaproaudio.com/
© 2004-2010 Yamaha Corporation
U.R.G., Pro Audio Division
Printed in Japan
WC24060
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Yamaha AD8HR Manuale del proprietario

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