Yamaha HA-L7A Guida utente

Tipo
Guida utente
Headphone amplifier
User Guide
EN
Contents
Please Read First 5
Advantages of this product.........................................................................5
About this manual.....................................................................................6
Cautions regarding product handling...........................................................7
Checking the Included Items and Getting the Remote
Control Ready 8
Checking the included items.......................................................................8
Getting the remote control ready................................................................9
Part names and functions 10
Front panel.............................................................................................10
Rear panel..............................................................................................11
Operating panel......................................................................................13
Remote control.......................................................................................15
Connections 17
Sample connection diagram......................................................................17
Connecting to an audio device (digital).......................................................18
Connecting to an audio device (analog).. .................................................... 19
Getting your computer ready and making connections (USB).. ...................... 20
Installing the driver on the computer..................................................................................................................................... 20
Connecting to your computer via USB.. .................................................................................................................................22
Connecting headphones...........................................................................23
Connecting to an external amp..................................................................25
Connecting the AC power cord...................................................................28
Basic playback operations 29
Turning the power on/off (standby)........................................................... 29
2
Contents
Selecting the audio input source and output destination...............................30
Adjusting the volume...............................................................................32
Switching between information displays....................................................33
Listening to sound from your audio device 35
Playing back sound from your audio device.................................................35
Listening to music on your computer (USB DAC
feature) 36
Playing back music on your computer........................................................ 36
Changing the sound quality to match your
preferences 38
Listening using different sound field effects (SOUND FIELD MODE).................38
Listening with higher-definition sound quality (PURE DIRECT).. .................... 40
Settings 41
Setting menu list.....................................................................................41
Operating the settings menu.....................................................................43
Setting the DAC filter............................................................................... 44
DAC LOCK RANGE.....................................................................................45
Setting the gain for the headphones...........................................................46
Setting an upper limit for the volume.........................................................47
Setting the default volume....................................................................... 48
Setting the left/right volume balance.........................................................49
Setting the auto power standby.. .............................................................. 50
Checking the firmware version..................................................................51
Initializing all settings (reset).. ................................................................. 52
3
Contents
Troubleshooting 53
What to do in case of trouble.....................................................................53
Read this first if you encounter troubles with this product.. .................................................................................................53
Power-related issues.. .............................................................................................................................................................54
Remote control-related issues.. ..............................................................................................................................................55
Audio-related issues.. ..............................................................................................................................................................56
USB DAC-related issues.. .........................................................................................................................................................57
Errors indicated by the information display................................................ 59
Updating the firmware.............................................................................60
Aftersales service....................................................................................62
Specifications 63
Licenses.................................................................................................63
Main specifications..................................................................................65
4
Contents
Please Read First
Advantages of this product
Thank you for purchasing this Yamaha product. The HA-L7A is a standalone Headphone amplifier that lets
you listen to the audio from devices that are connected to this unit via digital/analog connection, as well as
play back high-definition audio from a computer or tablet that’s connected to this unit via USB. Aside from
headphones, you can also connect an external amp or active speakers for playing back audio with this amp.
This unit also features SOUND FIELD MODE for immersing yourself more fully in your music or other audio
contents, played within the sound field of your choice.
This product offers the following advantages.
nUSB DAC functionality for decoding and playing back music data on this product from
a computer, tablet or other device with high fidelity
nOptical/coaxial digital input jack and analog input jacks for connecting a variety of
audio devices
nThree types of headphone jacks (4-pin balanced XLR, 4.4 mm (TRRRS), 6.3 mm
unbalanced)
nPRE/LINE OUT jacks for connecting to an external amp (RCA/XLR)
nSOUND FIELD MODE function for playing back audio contents in the sound field of your
choice
5
Please Read First > Advantages of this product
About this manual
Three manuals are provided for users of this product, including the Safety Guide, Quick Guide and User
Guide. Be sure to read each of these manuals, and keep them together in a safe place for future reference.
Manuals
Safety Guide (included)
Explains the necessary precautions you must take when using this product. Make sure to read these
instructions before use.
Quick Guide (included)
Explains about the basic connections and operations required after you purchase this product.
User Guide (this Guide)
Explains about all of this product’s functions and features. This also includes information on troubleshooting
and firmware updates. This Guide is only available via our website.
The precautions and other matters in this guide are classified as follows.
Indication Meaning
CAUTION This content indicates “risk of injury.”
NOTICE Indicates points that you must observe to prevent product failure, damage or
malfunction and data loss, as well as to protect the environment.
NOTE Indicates notes on instructions, restrictions on functions, and additional information
that may be helpful.
NOTE
(The explanations in this Guide are written according to the latest specifications as of the date of publication.
(You can download the latest version of each guide (PDF) from the website shown below.
https://download.yamaha.com/
6
Please Read First > About this manual
Cautions regarding product handling
Please read the Safety Guide before you use this product. Also, use caution regarding the following.
CAUTION
(To prevent hearing loss, observe the following points.
(Do not listen at high volumes for an extended period of time.
(When switching between audio input sources or output destinations, temporarily turn down the volume.
(Do not make sudden changes in volume.
(Do not turn this product on while you are wearing headphones.
This product features the following functions for controlling the volume, which we encourage you to use.
(“Setting an upper limit for the volume”(p.47)
Lets you set an upper limit for the volume.
(“Setting the default volume”(p.48)
Lets you set the volume used when the power is turned on.
CAUTION
(Do not move around or pick up the product while holding the transformer unit.
(You might drop the product, injuring yourself or causing a malfunction.
(Applying excessive force to this part may cause it to break.
7
Please Read First > Cautions regarding product handling
Checking the Included Items and Getting the
Remote Control Ready
Checking the included items
Check to make sure that the following items are included with this product.
£Remote control × 1
£Batteries (AA, R6, UM-3) × 2
£Power cord × 1
NOTE
There may be more than one power cord included with this product in certain regions. Use the cord that’s appropriate for the power
outlet where you will use it.
£USB cable (Type-A to Type-B) 1.5 m × 1
£Safety Guide × 1
£Quick Guide × 1
8
Checking the Included Items and Getting the Remote Control Ready > Checking the included items
Getting the remote control ready
Insert the included batteries into the remote control in the correct orientation (+/−).
The remote control for this product uses infrared light, and can operate within the range shown in the
illustration.
Within 6 m
30° 30°
9
Checking the Included Items and Getting the Remote Control Ready > Getting the remote control ready
Part names and functions
Front panel
This explains the names and functions of each component on the front panel.
edcba
aFeet
The feet are designed to raise the unit a certain level above the surface, so that it can be set up without wobbling. The
legs cannot be removed.
bRemote control signal receiver
Receives the infrared signals from the remote control (p.9).
c[XLR] connector and indicator
Connect headphones that use an XLR 4-pin plug here (p.23). When this is selected as an audio output destination,
the indicator above the connector lights up.
d[4.4 BALANCED] jack and indicator
Connect headphones that use a five-conductor (TRRRS) 4.4 mm balanced plug here (p.23). When this is selected as
an audio output destination, the indicator above the jack lights up.
e[PHONES] jack and indicator
Connect headphones that use a 6.3 mm (1/4-inch) plug here (p.23). When this is selected as an audio output
destination, the indicator above the jack lights up.
10
Part names and functions > Front panel
Rear panel
This explains the names and functions of each component on the rear panel.
gfedcba h
a[PRE/LINE OUT] headphone output jacks
Connect an external amp (such as a power amp) or an active speaker here to play back audio output from this
product (p.25).
Notice regarding the connection of external amplifiers
(To prevent the amplifier from outputting at excessively loud volumes and to prevent noise, observe the following when
connecting an external amp or similar equipment.
(Unplug this product from the AC outlet.
(Turn off the external amp or similar equipment.
(Be sure to set the f [PRE/LINE OUT] switch to match the device that’s connected.
b[ANALOG] input jack
Connect a device that features analog audio output jacks here (p.19).
c[OPTICAL] input jack
Connect a device that features optical digital audio output jacks here (p.18).
d[COAXIAL] input jack
Connect a device that features a coaxial digital audio output jack here (p.18).
e[USB] port (Type-B)
Connect a computer here (p.20).
11
Part names and functions > Rear panel
f[PRE/LINE OUT] switch
Toggle this switch according to the device connected to the [PRE/LINE OUT] jack (p.25). Set this product’s power
mode to off (standby) before toggling this switch. The setting is not applied when you toggle the switch while the
power is on.
[PRE OUT] (factory default setting)
The signal whose volume has been adjusted on this product is output from the [PRE/LINE OUT] jacks. Make sure to
use this setting when you connect audio equipment that does not have volume adjustment features, such as a
preamp.
[LINE OUT]
The signal is output at maximum volume from the [PRE/LINE OUT] jacks. Use this setting when you connect audio
equipment that has a volume adjustment feature, such as an integrated amplifier.
g[UPDATE ONLY] jack
This jack is only used when you want to update the firmware of this product. The USB flash drive must contain the
firmware data to update this product (p.60). Do not connect other USB devices to this port or use it for charging.
h[AC IN] jack
Connect the included AC power cord here (p.28).
12
Part names and functions > Rear panel
Operating panel
This explains the names and functions of each component on the operating panel.
aInformation display
This display shows various information and the menu (p.33).
b[z] Power button and indicator
Turns this product on/off (standby). The indicator lights up when the power is on (p.29).
c[STATUS] button
Switches between information displays (p.33).
dMenu operation buttons
< (left), [ENTER], > (right), [MENU]
These are used to operate the menu (p.43).
e[INPUT] button
Switches between input sources for the audio. The input source switches each time you press the button (p.30).
f[OUTPUT] button
Switches between the output destinations for the audio. The output destination switches each time you press the
button (p.30).
g[PURE DIRECT] button and indicator
Turns PURE DIRECT on/off. When this is on, the indicator lights up (p.40).
13
Part names and functions > Operating panel
h[SOUND FIELD MODE SELECTOR] knob
Switches between sound field effects (p.38).
i[VOLUME] knob and indicator
Adjusts the volume (p.32). The knob range indicators light up according to the volume.
14
Part names and functions > Operating panel
Remote control
This explains the names and functions of each part of the remote control.
Remote control (top)
PURE DIRECT
SOUND FIELD
INPUT
OUTPUT
MENU
ENTER
STATUS
VOLUME
MUTE
RHA1
VFN4930
USB OPTICAL
COAXIAL ANALOG
PURE DIRECT
SOUND FIELD
INPUT
OUTPUT
USB OPTICAL
COAXIAL ANALOG
a
b
c
d
e
f
aRemote control signal transmitter
Transmits the signals (infrared) from the remote control (p.9).
b[z] Power key
Turns this product on/off (standby) (p.29).
c[PURE DIRECT] key
Turns PURE DIRECT on/off (p.40).
d[SOUND FIELD] keys
Switches between SOUND FIELD MODE (sound field effect) settings (p.38).
e[INPUT] keys
Selects the input source for the audio (p.30).
f[OUTPUT] keys
These keys switch between the output destinations for the audio (p.30).
15
Part names and functions > Remote control
Remote control (bottom)
MENU
ENTER
STATUS
VOLUME
MUTE
g
h
i
k
j
g[MENU] keys
Displays the settings menu (p.43).
hMenu operation keys
Use the e (left), [ENTER], r (right) keys to operate the menu (p.43).
i[STATUS] key
Press this repeatedly to switch between contents on the information display (p.33).
j[VOLUME] +/− keys
Adjusts the playback volume of the headphones or external amp (when set to PRE OUT) that are connected to this
product (p.32).
k[MUTE] key
Turns off (mutes) the playback sound of the headphones or external amp (when set to PRE OUT) that’s connected to
this product. Press this again to hear the audio at the original volume (p.32).
16
Part names and functions > Remote control
Connections
Sample connection diagram
This is an example of how to connect various devices and cables to this product.
Input devices
Output devices
Computer Satellite tuner,
BluRay/DVD recorder,
etc.
DAP
(Digital Audio Player)
USB cable
(Type-A to Type-B,
included)
Optical digital cable
Coaxial digital cable
Stereo RCA
cable
Stereo RCA
cable
XLR3 cable
6.3 mm standard plug
XLR 4-pin plug
Headphones Earphones External amp
4.4 mm, balanced
five-conductor (TRRRS) plug
17
Connections > Sample connection diagram
Connecting to an audio device (digital)
Connect the [OPTICAL] input jack or the [COAXIAL] input jack of this product to the digital audio output jacks
of your audio equipment when you want to play back digital audio (PCM, 2 ch.).
Required cables
You’ll need a commercially available optical digital cable or coaxial digital cable. For a DAP (Digital Audio
Player), you may need an adaptor cable.
NOTE
If there is a cap fitted onto the tip of the optical digital cable, remove it before use.
How to connect
Connect as shown in the following illustration. Select a cable type that matches the audio output jack of your
audio equipment.
COAXIALOPTICAL
Satellite tuner, etc.
DAP
(Digital Audio Player)
Optical digital cable
Coaxial digital cable
OPTICAL output jack
or
COAXIAL output jack
OPTICAL input jack
or
COAXIAL input jack
NOTE
This product can play back two-channel PCM digital audio. If there is a setting on your audio device for digital audio output, use the
PCM output (2 ch) setting.
Related links
(“Selecting the audio input source and output destination”(p.30)
(“Playing back sound from your audio device”(p.35)
(“Main specifications”(p.65)
18
Connections > Connecting to an audio device (digital)
Connecting to an audio device (analog)
Connect the [ANALOG] input jack of this product to the analog audio output jacks of your audio equipment
when you want to play back analog audio.
Required cables
You’ll need a commercially available stereo RCA cable.
How to connect
Connect as shown in the following illustration.
Audio device
Stereo RCA cable
Output (RCA) jacks ANALOG
input jacks
Related links
(“Selecting the audio input source and output destination”(p.30)
(“Playing back sound from your audio device”(p.35)
19
Connections > Connecting to an audio device (analog)
Getting your computer ready and making connections
(USB)
Installing the driver on the computer
When this product is connected to a personal computer via USB, the digital-to-analog conversion processing
via this product's DAC device lets you enjoy your music data in high-definition sound on your personal
computer (USB DAC feature). To use this feature, install the USB driver (computer software) provided by
Yamaha, and then connect this product to your computer.
Supported operating systems
The supported operating systems and computers are shown below (current as of August 2023).
(Windows 10/11
(macOS 12/11/10.15/10.14/10.13
About the USB driver (computer software)
If you’re using Windows on your computer, you must install the Yamaha Steinberg USB Driver. If you’re using
macOS, you can use the standard driver for the OS, and there is no need to install a USB driver.
NOTE
(This driver is not 100% guaranteed to operate even if your computer matches the specifications above, due to differences in your
computer’s configuration, operating environment, OS version upgrades and so on.
(Connect this product to your computer only after installing the driver. If you connect before installing the driver, the software may
not operate correctly.
nInstalling the USB driver (Windows only)
Before connecting this product to your computer, follow the steps below to install the USB driver on your
computer.
1Access the following website and search for “Yamaha Steinberg USB Driver”.
Software download Web page:
https://download.yamaha.com/
2Download the latest driver.
3Extract (decompress) the downloaded file.
4Install the driver on your computer.
Follow the steps in the installation guide included with the driver you downloaded to install
the software.
5Once installation is complete, quit all open applications.
20
Connections > Getting your computer ready and making connections (USB)
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Yamaha HA-L7A Guida utente

Tipo
Guida utente