Yamaha M2500-48C Manuale utente

M

MIXING CONSOLE

Owner’s Manual

Mode d’emploi

Bedienungsanleitung

FCC INFORMATION (U.S.A.)

1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! This product, when installed as indicated in the instructions contained 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 reasonable level of assurance that your use of this product in a residential environment will not result in harmful interference with

other electronic 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 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 eliminate 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 coaxial 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 contact Yamaha Corporation of America, Electronic Service

Division, 6600 Orangethorpe Ave, Buena Park, CA 90620

The above statements apply ONLY to those products distributed by Yamaha Corporation of America or its subsidiaries.

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.

NEDERLAND THE NETHERLANDS

● Dit apparaat bevat een lithium batterij voor geheugen

back-up.

● Raadpleeg uw leverancier over de verwijdering van de

batterij op het moment dat u het apparaat ann het einde

van de levensduur afdankt of de volgende Yamaha Service

Afdeiing:

Yamaha Music Nederland Service Afdeiing

Kanaalweg 18-G, 3526 KL UTRECHT

Tel. 030-2828425

● Gooi de batterij niet weg, maar lever hem in als KCA.

● This apparatus contains a lithium battery for memory

back-up.

● For the removal of the battery at the moment of the

disposal at the end of the service life please consult your

retailer or Yamaha Service Center as follows:

Yamaha Music Nederland Service Center

Address: Kanaalweg 18-G, 3526 KL

UTRECHT

Tel: 030-2828425

● Do not throw away the battery. Instead, hand it in as small

chemical waste.

M2500—Owner’s Manual

iii

Important Information

Read the Following Before Operating M2500

Warnings

• Do not allow water to enter this unit or allow the

unit to become wet. Fire or electrical shock may

result.

• Connect this unit’s power cord only to the

power supply unit, and connect the power sup-

ply unit to an AC outlet of the type stated in this

Owner’s Manual or as marked on the power

supply unit. Failure to do so is a ﬁre and electri-

cal shock hazard.

• Do not scratch, bend, twist, pull, or heat the

power cord. A damaged power cord is a ﬁre and

electrical shock hazard.

• Do not place heavy objects, including this unit,

on top of the power cord. A damaged power

cord is a ﬁre and electrical shock hazard. In par-

ticular, be careful not to place heavy objects on a

power cord covered by a carpet.

• If you notice any abnormality, such as smoke,

odor, or noise, or if a foreign object or liquid

gets inside the unit, turn it off immediately.

Remove the power cord from the AC outlet.

Consult your dealer for repair. Using the unit in

this condition is a ﬁre and electrical shock haz-

ard.

• Should this power supply be dropped or the

cabinet be damaged, turn the power switch off,

remove the power plug from the AC outlet, and

contact your dealer. If you continue using the

unit without heeding this instruction, ﬁre or

electrical shock may result.

• If the power cord is damaged (i.e., cut or a bare

wire is exposed), ask your dealer for a replace-

ment. Using the unit with a damaged power

cord is a ﬁre and electrical shock hazard.

• Do not modify the unit. Doing so is a ﬁre and

electrical shock hazard.

Cautions

• This unit is heavy. Use two or more people to

carry it.

• Hold the power cord plug when disconnecting it

from an AC outlet. Never pull the cord. A dam-

aged power cord is a potential ﬁre and electrical

shock hazard.

• Do not touch the power plug with wet hands.

Doing so is a potential electrical shock hazard.

• Use only the included power supply for this unit.

Using other types may be a ﬁre hazard.

Operating Notes

• The digital circuits of this unit may induce a

slight noise into nearby radios and TVs. If noise

occurs, relocate the affected equipment.

• Using a mobile telephone near this unit may

induce noise. If noise occurs, use the telephone

away from the unit.

• XLR-type connectors are wired as follows:

pin 1: ground, pin 2: hot (+), and pin 3: cold (–).

• Insert TRS phone jacks are wired as follows:

sleeve: ground, tip: send, and ring: return.

• The performance of components with moving

contacts, such switches, rotary controls, faders,

and connectors, deteriorates over time. The rate

of deterioration depends on the operating envi-

ronment and is unavoidable. Consult your

dealer about replacing defective components.

Keep This Manual For Future Reference.

M2500—Owner’s Manual

1

Introduction

Thank you for purchasing the Yamaha M2500 mixing console. The M2500 is a highly cost-

effective mixing console that features functionality such as scene memory, PAN control

that is switchable between LR/LCR, and GROUP/AUX FADER FLIP switches. In order to

take full advantage of the M2500’s functionality and ensure trouble-free use, please read

this manual carefully.

Note:

• This manual assumes that you have an understanding of basic mixing console opera-

tion and terminology.

• The M2500 series includes ﬁve models: M2500-24, M2500-32, M2500-40C, M2500-

48C, and M2500-56C. This manual bases its explanation on the M2500-24. Differences

in the speciﬁcations of each models are given in curly brackets { }.

Contents

Features of the system.............................2

Control panel..........................................3

Input channel section .........................................3

GROUP/AUX master section.............................9

GROUP/AUX FLIP switch...............................14

Stereo/monaural master section ......................16

Matrix section ...................................................18

Monitor section ................................................19

Talkback/oscillator section............................... 21

Meter select section...........................................22

Control section .................................................22

Meter bridge...................................................... 24

Rear panel.............................................25

Monaural input channel input/output jacks...25

Stereo input channel input/output jacks.........26

Master section input/output jacks ...................27

The Scene Memory function .................30

What is scene memory?....................................30

Modes of the scene memory function ............. 30

Operation in Normal mode .............................31

Check mode operation .....................................32

Utility mode procedures...................................34

Control change table ........................................36

Mute groups......................................................37

About the local control circuit......................... 38

Error messages......................................39

Specifications........................................40

General specifications ...................................... 40

Input/output characteristics ............................ 41

Other................................................................. 42

Dimensions...........................................43

MIDI data format .................................. 44

MIDI Implementation Chart..................45

2

M2500—Owner’s Manual

Features of the system

• The M2500-24 {32/40C/48C/56C} provides 24

{32/40/48/56} monaural input modules and

four stereo input modules. It also provides 14

AUX outputs, eight group outputs, stereo out-

put, and monaural output, for a generous total

of 25 output buses. The M2500 is ideal for a

wide range of applications from use as a main

PA mixer to use in installed systems.

• Eight independent matrix outputs are provided.

The GRP/AUX, STEREO, and MONO/C chan-

nel output signals and the input signals from

dedicated inputs can be mixed freely, and output

from the eight MATRIX OUT jacks. This is con-

venient for foldback, or for creating individual

mixes for monitor speakers or amps.

• Monaural input channels and GRP/AUX output

channels allow you to select not only conven-

tional LR (stereo) output or monaural output,

but also LCR (stereo+center) output. When LCR

output is selected, the level of the center output

signal is also controlled by the PAN control, for

accurate spatial positioning when a three-chan-

nel stereo+center playback system is used.

• Monaural input channels provide a 26 dB pad,

high pass ﬁlter switch, phase switch, four-band

EQ, and 100 mm full-stroke faders. +48 V phan-

tom power that can be switched on/off individu-

ally for each channel is also provided.

• An INSERT I/O jack is provided on each mon-

aural input channel as well as on the AUX 1–6,

GRP/AUX, STEREO, and MONO/C output

channels. This allows you to insert external

effect units as necessary.

• The GROUP/AUX FLIP switch allows the eight

100 mm fader output channels to be used either

for the GROUP or AUX buses. When used for

the AUX buses, all 14 AUX buses can be con-

trolled by 100 mm faders, which is convenient

when using the M2500 as a stage monitor con-

sole.

• The Scene Memory function allows you to store

the on/off status of each mono/stereo input

channel and GRP/AUX 1–8, STEREO, and

MONO/C output channels as one of 128 scenes.

Scenes can be recalled at any time from the front

panel or via MIDI. In addition, control change

messages can be used to individually switch

these channels on/off from an external device.

• Eight DIRECT RECALL switches are provided

to allow scene memories 1–8 to be recalled at the

touch of a single button. This allows multiple

channels to be switched on/off quickly.

• By changing a setting, the DIRECT RECALL

switches can be used as mute group switches.

Mute group switch settings allow the DIRECT

RECALL switches to individually add/remove

eight sets of mute settings.

• PFL switches are provided on all input channels,

and AFL switches are provided on all master

outputs. In addition, a MASTER PFL switch

allows the master output monitor signal to be

switched between pre/post fader. You can rap-

idly check the input/output signal sources at a

variety of points.

• The talkback signal and the test tone oscillator

(PINK/10 kHz/1 kHz/100 Hz) can be sent to any

of the AUX 1-2, 2-6, 7-10, 11-14, STEREO, or

MONO/C buses.

M2500—Owner’s Manual

3

Control panel

Input channel section

Monaural input channels

The M2500-24 {32/40C/48C/56C} provides 24 {32/

40/48/56} input channels. The speciﬁcations of each

input channel are the same for all models of the

series.

A

+48 V

(phantom power) switch

This switches the +48 V phantom power supply on/

off for the corresponding channel. When the switch is

pressed in ( ), phantom power is on. At this time

the indicator above the switch will light.

B

GAIN

control

This adjusts the input sensitivity. This control has a

range of –16 dB to –60 dB when the 26 dB pad switch

(

3

) is off, and a range of +10 dB to –34 dB when the

pad is on.

C

26 dB

pad switch

This attenuates the input signal by 26 dB. When the

switch is pressed in ( ), the pad is on.

D

(phase) switch

This reverses the phase of the input signal. When the

switch is pressed in ( ), the phase is reversed.

E

(high pass ﬁlter) switch

This switches the high pass ﬁlter on/off. When the

switch is pressed in ( ), the high pass ﬁlter is on,

and the frequency range below 80 Hz will be attenu-

ated by an 18 dB/oct curve.

F

EQ

controls

This is a four-band equalizer. The type, center fre-

quency, and gain range of each band is shown below.

G

EQ

switch

This switches the equalizer on/off. When the switch is

pressed in ( ), the equalizer will be on.

H

AUX 1

–

AUX 14

controls

These adjust the level at which the signal of the mon-

aural input channel is set to AUX buses 1 to 14. Nom-

inal level (0 dB) is when the control is at the “

▲

”

position. The pre-fader signal will be sent to AUX

buses 1/2. For AUX buses 3 to 14, you can use the

PRE switch (

9

) to switch between pre/post fader.

+48V

GAIN

80

+10

26dB

–34

–16 –60

HI-MID

HI

–15 +15

400 8k

LO-MID

LO

EQ

AUX1 PRE

PRE

–15 +15

010

80 1.6k

AUX2

AUX3

AUX4

AUX5

AUX6

AUX7

AUX10

AUX11

AUX14

AUX13

AUX9

AUX8

PRE

AUX12

PAN

C

PAN

ST

L

C

R

ODD EVEN

MONO

LCR

ON/EDIT

PEAK

NOM

10

20

30

40

60

50

5

0

5

SIGNAL

CHECK

ON

1-2

3-4

5-6

7-8

PFL

010

AUX14

1

2

3

5

7

9

J

O

6

L

M

K

4

8

N

Note:

If you wish to use phantom power, make

sure that the rear panel PHANTOM MASTER

switch (page 29) is turned on. (The PHANTOM

MASTER indicator on the meter bridge will light.)

Band Type Center frequency Gain

HIGH Shelving 10 kHz

±15 dB

HIGH-MID Peaking 400 Hz to 8 kHz

LOW-MID Peaking 80 Hz to 1.6 kHz

LOW Shelving 100 Hz

80

Control panel

4

M2500—Owner’s Manual

I

PRE

switches

If these switches are turned on ( ), the post-EQ pre-

fader signal will be sent to the corresponding AUX

buses. If these switches are turned off ( ), the post-

fader signal will be sent. Switches are provided to

independently switch three groups of AUX buses: 3–

6, 7–10, and 11–14.

J

PAN

control

This adjusts the pan or balance of the signal that is

sent from the monaural input channel to the STE-

REO, MONO/C, or GROUP buses. The function of

the PAN control will change as follows, depending on

the setting of the channel assign switch (

K

).

●

When the ST switch is on

PAN will adjust the pan of the signal that is sent from

the monaural input channel to the STEREO L/R bus.

●

When the LCR switch is on

PAN will adjust the pan of the signal that is sent from

the monaural input channel to the STEREO L/R bus

and MONO/C bus.

●

When a 1-2/3-4/5-6/7-8 switch is on

PAN will adjust the balance of the signal that is sent

from the monaural input channel to the odd-num-

bered (1/3/5/7) and even-numbered (2/4/6/8) chan-

nels of the corresponding GROUP bus (1-2/3-4/5-6/

7-8).

K

Channel assign switches

These switches assign the post-fader post-PAN signal

to the desired bus.

•

1-2

/

3-4

/

5-6

/

7-8

switches

When these switches are on ( ), the signal of the

monaural input channel will be sent to the corre-

sponding GROUP bus (1-2/3-4/5-6/7-8).

•

ST

(stereo) switch

When this switch is on ( ), the post-PAN signal of

the monaural input channel will be sent to the STE-

REO bus.

•

MONO

(monaural) switch

When this switch is on ( ), the signal of the monau-

ral input channel will be sent to the MONO/C bus.

•

LCR

switch

When this switch is on, the indicator above the switch

will light, and the post-PAN signal of the monaural

input channel will be sent to the STEREO bus and the

MONO/C bus.

Note:

• The LCR switch takes priority over the ST/MONO

switch. When the

LCR switch is on

, the post-PAN

signal of the monaural input channel will be sent to

the STEREO bus (L/R) and the MONO/C bus regard-

less of the on/off status of the ST/MONO switch.

When the LCR switch is on, the level of the signals

that are sent to the STEREO bus (L/R) and MONO/C

bus will change in response to movement of the PAN

control as shown in the following diagram.

• When the

LCR switch is off

, the ST/MONO switch

will function as a conventional channel assign

switch. If

ST is on

, the post-PAN signal of the

monaural input channel will be sent to the ST bus.

If the

MONO switch is on

, the signal of the mon-

aural input channel will be sent directly to the

MONO/C bus. (The signal sent to the MONO/C

bus will not be affected by the PAN control.) If the

LCR switch is off and the ST/MONO switch is on,

movements of the PAN control will affect the sig-

nal levels sent to the STEREO bus (L/R) and

MONO/C bus as shown in the following diagram.

• The 1-2/3-4/5-6/7-8 switches can always be used,

regardless of the on/off status of the LCR switch.

When the

1-2/3-4/5-6/7-8 switches are on

, the

post-PAN signal of the monaural input channel

will be sent to the corresponding GROUP bus 1–8.

When the 1-2/3-4/5-6/7-8 switches are on, move-

ments of the PAN control will affect the signal lev-

els sent to GROUP buses 1–8 as shown in the

following diagram.

LCR switch= on

Signal sent to the MONO/C bus

Signal sent to STEREO bus L

Signal sent to STEREO bus R

CRL

PAN control

< Response curve 1 >

Signal level

CRL

LCR switch= off

ST switch= on

MONO switch= on

< Response curve 2 >

Signal sent to the MONO/C bus

Signal sent to STEREO bus L

Signal sent to STEREO bus R

PAN control

Signal level

C EVENODD

1-2/3-4/5-6/7-8 switches= on

Signal sent to GROUP buses 1/3/5/7

Signal sent to GROUP buses 2/4/6/8

< Response curve 3 >

PAN control

Signal level

Control panel

M2500—Owner’s Manual

5

L

ON/EDIT

switch /

ON

,

CHECK

indicators

The function of this switch and these indicators will

change depending on the mode of the M2500.

●

In normal mode

You can use the ON/EDIT switch to turn the monau-

ral input channel on/off. When the channel is

switched on/off, the ON indicator will be lit/dark to

indicate the status. Channels that are switched off will

not send any signals to the GROUP, STEREO,

MONO/C, or AUX buses, but you can still use the

PFL switch (

O

) to monitor the signal from the

MONITOR OUT jacks or the PHONES jack.

●

In check mode

When a scene (which contains the on/off state of the

ON/EDIT switches) is selected, the on/off status

memorized in that scene will be indicated by the lit/

dark status of the CHECK indicator. In check mode,

you can also use the ON/EDIT switch to switch the

CHECK indicator between lit/dark. (The current on/

off setting will not be affected.) For details on check

mode, refer to page 32.

M

PEAK

/

NOM

/

SIGNAL

indicators

These three indicators allow you to check the pre-

fader signal level of the monaural input channel.

•

PEAK

indicator

This will light when the signal exceeds nominal level

by 17 dB.

•

NOM

(nominal) indicator

This will light when the signal reaches nominal level

(0 dB).

•

SIGNAL

indicator

This will light when the signal reaches a level 13 dB

below nominal.

N

Channel fader

This adjusts the output level of the monaural input

channel signal. This fader affects the level of the sig-

nal that is sent to the GROUP, STEREO, MONO/C,

and AUX (if the PRE switch is off) buses.

O PFL (pre-fader listen) switch

When this switch is on ( ), the pre-fader signal will

be sent to the MONITOR INPUT PFL bus, and can

be monitored from the MONITOR OUT and

PHONES jacks.

MONITOR

ST

LR

MONO

RL

ST

PFL AFL

ON

(PFL)

INPUT

ST

MASTER

LR

MONO

LR

MONO/C

STEREO

from CPU

AUX 11-14

Same as AUX 3-6

AUX 7-10

Same as AUX 3-6

MASTER

PHANTOM

1-56

1-48

1-40

1-32

1-24

INPUT

0dB

INSERT I/O

PFL

(–26dB)

(0dB)

ON

CHECK

AUXGROUP

14

13

12

11

10

9

2

3

4

5

6

7

88

7

6

5

4

3

2

11

ON/EDIT

Control

SIGNAL

NOM

PEAK

MONO

ST

LCR

AUX6

AUX5

AUX4

AUX3

AUX2

PAN

PRE

AUX1

EQ

LO

HI

Ø

80

+48V

HI-MID

LO-MID

g

f

g

f

4 stage EQ

26dB

HPF

GAIN

PAD

1

6 J KM

23

N

7

9

O

8

5 4

L

Control panel

6 M2500—Owner’s Manual

Stereo input channels

The M2500 provides four stereo input channels,

allowing line-level stereo sources such as sub-mixers,

effect processors, and CD players to be input. Of the

stereo input channels 1–4, channel 1 provides both

XLR and RCA phono input jacks, and you can select

and use one of these. Channels 2–4 provide a pair of

TRS phone input jacks. For this reason, there are

slight differences between the controllers of channel 1

and channels 2–4. Our explanation here will be based

on stereo input channel 1, and any differences for ste-

reo input channels 2–4 will be explained later.

A GAIN A control

This adjusts the input sensitivity of the signal that is

input from the XLR connectors of the ST CH 1

INPUT A jacks (page 26). Levels of +10 dB to –30 dB

are supported. If the A/B select switch (3) is in the B

( ) position, this control will have no effect.

B GAIN B control

This adjusts the input sensitivity of the signal that is

input from the RCA phono connectors of the ST CH

1 INPUT B jacks (page 26). Levels of +10 dB to

–20 dB are supported. If the A/B select switch (3) is

in the A ( ) position, this control will have no

effect.

C A/B switch

This selects the input jacks that will be used for stereo

input channel 1. When the switch is in the upward

position ( ), the ST CH 1 INPUT A jacks can be

used. When the switch is in the downward position

( ), the ST CH 1 INPUT B jacks can be used.

D EQ controls

This is a two-band equalizer. The equalizer type, cen-

ter frequency, and gain range of each band is shown

below.

010

AUX14

+10 –30

A

+10 –20

–15 +15

B

A

B

HI

–15 +15

LO

GAIN

EQ

AUX1 PRE

PRE

010

AUX2

AUX3

AUX4

AUX5

AUX6

AUX7

AUX10

AUX11

AUX14

AUX13

AUX9

AUX8

PRE

AUX12

BAL

L

C

R

ODD EVEN

ON/EDIT

PFL

10

20

30

40

60

50

5

0

5

BAL

ST

LR

ODD EVEN

MONO

1-2

3-4

5-6

7-8

PEAK

NOM

SIGNAL

CHECK

ON

1

2

3

5

6

L

8

M

4

J

K

9

7

Note: Since stereo input channels 2–4 have only

one set of inputs, only one GAIN control is pro-

vided. (Nor is there an A/B select switch.) This

control will adjust the input sensitivity of the sig-

nal that is input from the TRS phone connectors

for the ST CH 2–4 INPUT jacks (page 26). Levels

of +10 dB to –30 dB are supported.

Band Type

Center

frequency

Gain

HIGH

Shelving

10 kHz

±15 dB

LOW 100 Hz

+10 –30

GAIN

Control panel

M2500—Owner’s Manual 7

E EQ switch

This turns the equalizer on/off. When the switch is

pressed in ( ), the equalizer is on.

F AUX 1–AUX 14 controls

These adjust the level at which the signal of the stereo

input channel (the L/R input signals mixed to a mon-

aural signal) is sent to the AUX buses 1–14. Placing

the control at the “▲” position will produce nominal

level (0 dB). For AUX buses 1/2, the pre-fader signal

will be output. For AUX buses 3–14, the PRE switch

(7) can be used to switch the signal pre or post

fader.

G PRE switches

If these switches are turned on ( ), the pre-fader

signal will be sent to the corresponding AUX buses. If

these switches are turned off ( ), the post-fader sig-

nal will be sent. Switches are provided to indepen-

dently switch three groups of AUX buses: 3–6, 7–10,

and 11–14.

H BAL control

This adjusts the level balance of the signal that is sent

to the STEREO or GROUP buses.

● If the ST switch is on

The BAL control will adjust the L/R balance at which

the signal of the stereo input channel is sent to the

STEREO bus.

● If a 1-2/3-4/5-6/7-8 switch is on

The BAL control will adjust the balance of the stereo

input channel that is sent to the odd-numbered

channels (1/3/5/7) and even-numbered channels (2/

4/6/8) of the corresponding GROUP bus (1-2/3-4/5-

6/7-8). The L ch of the input signal will be sent to the

odd-numbered channel of the group bus, and the R

channel of the input signal will be sent to the even-

numbered channel of the group bus.

I Channel assign switches

These switches assign the signal that has passed

through the fader and BAL control to the desired

bus(es). Any or all of the channel assign switches can

be used simultaneously.

• 1-2/3-4/5-6/7-8 switches

When these switches are on ( ), the signal of the

stereo input channel will be sent to the correspond-

ing GROUP bus (1-2/3-4/5-6/7-8).

• ST (stereo) switch

When this switch is on ( ), the signal of the stereo

input channel will be sent to the STEREO bus.

• MONO (monaural) switch

When this switch is on ( ), the L and R channels of

the input signal will be mixed to monaural, and sent

to the MONO/C bus. The signal that is sent to the

MONO/C bus is not affected by the BAL control.

J ON/EDIT switch / ON, CHECK indicators

The function of this switch and these indicators will

change depending on the mode of the M2500.

● In normal mode

You can use the ON/EDIT switch to turn the stereo

input channel on/off. When the channel is switched

on/off, the ON indicator will be lit/dark to indicate

the status. Channels that are switched off will not

send any signals to the GROUP, STEREO. MONO/C,

or AUX buses, but you can still use the PFL switch

(M) to monitor the signal from the MONITOR OUT

jacks or the PHONES jack.

● In check mode

When a scene is selected, the on/off status memorized

in that scene will be indicated by the lit/dark status of

the CHECK indicator. In check mode, you can also

use the ON/EDIT switch to switch the CHECK indi-

cator between lit/dark. For details on check mode,

refer to page 32.

K PEAK/NOM/SIGNAL indicators

These three indicators allow you to check the pre-

fader signal level of the stereo input channel.

• PEAK indicator

This will light when the signal mixed to monaural

exceeds nominal level by 17 dB.

• NOM (nominal) indicator

This will light when the signal mixed to monaural

reaches nominal level (0 dB).

• SIGNAL indicator

This will light when the signal mixed to monaural

reaches a level 13 dB below nominal.

L Channel fader

This adjusts the output level of the stereo input chan-

nel signal. This fader affects the level of the signal that

is sent to the GROUP, STEREO, MONO/C, and AUX

(if the PRE switch is off) buses.

M PFL (pre-fader listen) switch

When this switch is on ( ), the pre-fader signal will

be sent to the MONITOR INPUT PFL bus, and can

be monitored from the MONITOR OUT and

PHONES jacks.

Control panel

8 M2500—Owner’s Manual

MONITOR

ST

LR

MONO

RL

ST

PFL AFL

ON

(PFL)

Same as ST CH 1

ST CH 2-4

from CPU

INPUT

AUX 11-14

Same as AUX 3-6

AUX 7-10

Same as AUX 3-6

B

A

ST CH 2-4

INPUT

L/MONO

R

ST CH 1

INPUT B

INPUT A

R

L

R

L

ST

MASTER

LR

MONO

LR

MONO/C

STEREO

BAL

ON

CHECK

2 stage EQ

GAIN B GAIN A

AUX

14

13

12

11

10

9

2

3

4

5

6

7

8

1

GROUP

8

7

6

5

4

3

2

1

EQ

HI

LO

GAIN

SIGNAL

PFL

LO

HI

EQ

AUX1

PRE

AUX2

AUX3

AUX4

AUX5

AUX6

ST

MONO

PEAK

NOM

Control

ON/EDIT

1 4 5 8 9K

2

L

7

M

6

3

J

Control panel

M2500—Owner’s Manual 9

GROUP/AUX master section

AUX 1–6 section

These are the output channels that control the signals

of AUX buses 1–6. The signals that have passed

through these output channels will be output indi-

vidually from the AUX OUT 1–6 jacks (page 27). In

addition, they pass through the MONITOR MASTER

PFL/AFL buses and can be monitored from the

MONITOR OUT L/R and the PHONES jacks.

A ON switches

These turn AUX OUT 1–6 on/off. When a switch is

on ( ), the signal of the corresponding AUX bus

will be output to the AUX OUT jack.

B AUX 1–6 master faders

These adjust the output levels of AUX OUT 1–6.

C AFL (after fader listen) switches

These switches are used to monitor the signal of the

AUX OUT 1–6 section from the MONITOR OUT/

PHONES jacks. When an AFL switch is on (the

switch above the indicator will light), the pre/after-

fader signals of the AUX 1–6 section will be sent to

the MONITOR MASTER PFL/AFL buses respec-

tively, and can be monitored via the MONITOR

OUT/PHONES jacks. At this time, you can use the

MASTER PFL switch (page 19) in the monitor sec-

tion to select whether you will monitor the pre- or

after-fader signal.

AUX1

AFL

ON

10

20

30

40

60

50

5

0

5

AUX2

AFL

ON

10

20

30

40

60

50

5

0

5

AUX3

AFL

ON

10

20

30

40

60

50

5

0

5

AUX4

AFL

ON

10

20

30

40

60

50

5

0

5

AUX5

AFL

ON

10

20

30

40

60

50

5

0

5

AUX6

AFL

ON

10

20

30

40

60

50

5

0

5

1

23

Note: If the PFL switch of even one input channel

is turned on, the signal of the MONITOR INPUT

bus will take priority for monitoring. In this case,

be aware that even if the AFL switch is turned on,

the MONITOR MASTER bus cannot be moni-

tored.

MONITOR

ST

LR

MONO

RL

ST

PFL AFL

ON

(PFL)

to METER

INPUT

Same as AUX 1

AUX 2-6

AUX 1

1

INSERT I/O

0dB

AUX OUT

+4dB

ST

MASTER

LR

MONO

AFL

ON

AUX

14

13

12

11

10

9

2

3

4

5

6

7

8

1

2 1

3

Control panel

10 M2500—Owner’s Manual

A7/G1–A14/G8 section

These output channels control the signals of AUX

buses 7–14 or GROUP buses 1–8. You can use the

GROUP/AUX FLIP switch (page 14) to select the sig-

nals that will be controlled.

■ GROUP/AUX FLIP switch= GROUP ( )

The signals of AUX buses 7–14 will be sent to chan-

nels A7/G1–A14/G8 respectively, and will be output

individually from the AUX/GRP OUT A7/G1–A14/

G8 jacks.

■ GROUP/AUX FLIP switch= AUX ( )

The signals of GROUP buses 1–8 will be sent to chan-

nels A7/G1–A14/G8 respectively, and output individ-

ually from the AUX/GRP OUT A7/G1–A14/G8 jacks.

A LEVEL control

This adjusts the output level of AUX/GRP OUT A7/

G1–A14/G8. The “▲” position is nominal level.

B ON switch

This turns AUX/GRP OUT A7/G1–A14/G8 on/off.

When the switch is on ( ), the signals from the A7/

G1–A14/G8 section will be output from the AUX

OUT A7/G1–A14/G8 jacks respectively.

C AFL switch

This switch is used to monitor the signal from the

AUX/GRP OUT A7/G1–A14/G8 section via the

MONITOR OUT/PHONES jacks. If all the input

channel PFL switches are off, you can turn on this

AFL switch to monitor the corresponding signal of

the A7/G1–A14/G8 section from the MONITOR

OUT/PHONES jacks. You can use the MASTER PFL

switch of the monitor section to switch the monitor

signal between pre/post-fader (LEVEL control).

A7 / G1

AFL

LEVEL

010

ON

A8 / G2

AFL

LEVEL

010

ON

A9 / G3

AFL

LEVEL

010

ON

A10 / G4

AFL

LEVEL

010

ON

A11 / G5

AFL

LEVEL

010

ON

A12 / G6

AFL

LEVEL

010

ON

A13 / G7

AFL

LEVEL

010

ON

A14 / G8

AFL

LEVEL

010

ON

1

2

3

A7 / G1

AFL

LEVEL

010

ON

A8 / G2

AFL

LEVEL

010

ON

010

AUX5

AUX6

PRE

010

AUX7

AUX10

AUX9

AUX8

A7 / G1

AFL

LEVEL

010

ON

A8 / G2

AFL

LEVEL

010

ON

PAN

ST

L

C

R

ODD EVEN

MONO

LCR

1-2

3-4

5-6

7-8

Control panel

M2500—Owner’s Manual 11

G1/A7–G8/A14 section

These are the output channels that control GROUP

buses 1–8 or AUX buses 7–14. Use the GROUP/AUX

FLIP switch (page 14) to select which signals will be

controlled.

■ GROUP/AUX FLIP switch= GROUP ( )

The signals of GROUP buses 1–8 will be sent to chan-

nels G1/A7–G8/A14 respectively, and will be output

individually from the GRP/AUX OUT G1/A7–G8/

A14 jacks.

G1 / A7

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

G2 / A8

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

G3 / A9

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

G4 / A10

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

G5 / A11

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

G6 / A12

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

G7 / A13

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

G8 / A14

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

4

7

8

5

6

PAN

ST

L

C

R

ODD EVEN

MONO

LCR

1-2

3-4

5-6

7-8

G1 / A7

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

G2 / A8

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

Control panel

12 M2500—Owner’s Manual

■ GROUP/AUX FLIP switch= AUX ( )

The signals of AUX buses 7–14 will be sent to chan-

nels G1/A7–G8/A14 respectively, and will be output

individually from the GRP/AUX OUT G1/A7–G8/

A14 jacks.

D PAN control

This adjusts the pan of the signal that is sent from the

G1/A7–G8/A14 section to the STEREO or MONO/C

bus. The function of the PAN control will change as

follows, depending on the setting of the channel

assign switch (5).

● When the ST switch is on

PAN will adjust the pan of the signal that is sent from

each channel to the STEREO L/R bus.

● When the LCR switch is on

PAN will adjust the pan of the signal that is sent from

each channel to the STEREO L/R bus and MONO/C

bus.

E Channel assign switches

These switches assign the post-fader post-PAN signal

to the desired bus.

• ST (stereo) switch

If this switch is on ( ), the post-PAN signal of the

output channel will be sent to the STEREO bus.

• MONO (monaural) switch

If this switch is on ( ), the signal of the output

channel will be sent to the MONO/C bus.

• LCR switch

If this switch is on, the indicator above the switch will

light, and the post-PAN signal of the output channel

will be sent to the STEREO bus and the MONO/C

bus.

• MATRIX switch

IF this switch is on ( ), the signal of the output

channel will be sent to the corresponding MATRIX

bus.

G1 / A7

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

G2 / A8

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

010

AUX5

AUX6

PRE

010

AUX7

AUX10

AUX9

AUX8

Note:

• The LCR switch takes priority over the ST/

MONO switch. If the LCR switch is on, the

post-PAN signal of the G1/A7–G8/A14 section

will be sent to the STEREO bus (L/R) and

MONO/C bus regardless of the on/off status of

the ST/MONO switch. (Refer to response curve

diagram 1 on page 4.)

• If the LCR switch is off, the ST/MONO switch

will function as a conventional channel assign

switch. If ST is on, the post-PAN signal of the

G1/A7–G8/A14 section will be sent to the ST

bus. If the MONO switch is on, the signal of

the G1/A7–G8/A14 section will be sent directly

to the MONO/C bus. (Refer to response curve

diagram 2 on page 4.)

Control panel

M2500—Owner’s Manual 13

F ON/EDIT switch / ON, CHECK indicators

The function of this switch and these indicators will

change depending on the mode of the M2500.

● In normal mode

You can use the ON/EDIT switch to turn each G1/

A7–G8/A14 channel on/off. When the channel is

switched on/off, the ON indicator will be lit/dark to

indicate the status. Channels that are switched off will

not send any signals to the STEREO, MONO/C, or

MATRIX buses.

● In check mode

When a scene (which contains the on/off state of the

ON/EDIT switches) is selected, the on/off status

memorized in that scene will be indicated by the lit/

dark status of the CHECK indicator. In check mode,

you can also use the ON/EDIT switch to switch the

CHECK indicator between lit/dark. (The current on/

off setting will not be affected.) For details on check

mode, refer to page 32.

G Fader

This adjusts the output level of the GRP/AUX OUT.

H AFL (after fader listen) switch

This switch allows you to monitor the signal of the

G1/A7–G8/A14 section from the MONITOR OUT/

PHONES jacks. If the input channel PFL switches are

all off, turning this AFL switch on (the indicator

above the switch will light) will allow you to monitor

the corresponding G1/A7–G8/A14 section signal

from the MONITOR OUT/PHONES jacks. The

monitor signal can be switched between pre/post-

fader using the MASTER PFL switch of the monitor

section.

G7/A1

G1/A7

Same as

MONITOR

ST

LR

MONO

RL

ST

PFL AFL

ON

(PFL)

to METER

from CPU

INPUT

GROUP/AUX FLIP

AUX

GROUP

MATRIX

and

AUX/GRP A8/G2-A14/G8

GRP/AUX G2/A8-G8/A14

G1/A7

A7/G1

G1/A7

0dB

INSERT I/O

AUX/GRP OUT

+4dB

GRP/AUX OUT

+4dB

ST

MASTER

LR

MONO

SUB IN

RLLR

MONO/C

STEREO

LR

MONO/C

STEREO

MATRIX

G8/A14

G7/A13

G6/A12

G5/A11

G4/A10

G3/A9

G2/A8

G1/A7

Control

ON/EDIT

CHECK

ON

LEVEL

ON

AFL

PA N

LCR

ST

MONO

AUXGROUP

14

13

12

11

10

9

2

3

4

5

6

7

88

7

6

5

4

3

2

11

6

1

2

3

8

5

4

7

Control panel

14 M2500—Owner’s Manual

GROUP/AUX FLIP switch

The M2500 provides a GROUP/

AUX FLIP switch that

exchanges the output destina-

tions of GROUP buses 1–8 and

AUX buses 7–14.

● When GROUP ( ) is selected

The signals of GROUP buses 1–8 will be routed

through the G1/A7–G8/A14 section, and sent to the

GROUP/AUX OUT jacks, the STEREO bus, MONO/C,

and MATRIX buses. The signals of AUX buses 7–14 will

be routed through the A7/G1–A14/G8 section, and sent

to the AUX GRP OUT jacks. With this setting, AUX

buses 7–14 can be used as conventional AUX buses, and

GROUP buses 1–8 can be used as group buses. This set-

ting is more convenient when you are using the M2500

as a main console, since you will be able to use the 100

mm faders to control the group buses.

● When AUX ( ) is selected

The signals of GROUP buses 1–8 will be routed

through the A7/G1–A14/G8 section and sent to the

AUX/GRP OUT jacks. The signals of AUX buses 7–14

will be routed through the G1/A7–G8/A14 section,

and sent to the GROUP/AUX OUT jacks, the STE-

REO bus, MONO/C, and MATRIX buses.

This setting is more convenient when you are using

the M2500 as a “monitor console” to control individ-

ual monitor levels on stage, since you will be able to

use the 100 mm faders to control each of the AUX

buses (1–14).

GROUP

AUX

GROUP/AUX FLIP

A7 / G1

AFL

LEVEL

010

ON

010

AUX5

AUX6

A8 / G2

AFL

LEVEL

010

ON

PAN

ST

L

C

R

ODD EVEN

MONO

LCR

1-2

3-4

5-6

7-8

G1 / A7

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

G2 / A8

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

PRE

010

AUX7

AUX10

AUX9

AUX8

When GROUP is selected

AUX/GRP OUT jacks

GRP/AUX OUT jacks

STEREO bus

MONO/C bus

MATRIX bus

A7/G1–A14/G8 section

G1/A7–G8/A14 section

GROUP

AUX

Input

channel

A7 / G1

AFL

LEVEL

010

ON

A8 / G2

AFL

LEVEL

010

ON

PAN

ST

L

C

R

ODD EVEN

MONO

LCR

1-2

3-4

5-6

7-8

G1 / A7

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

G2 / A8

ON/EDIT

AFL

10

20

30

40

60

50

5

0

5

PAN

L

C

R

MATRIX ST

MONO

LCR

CHECK

ON

010

AUX5

AUX6

When AUX is selected

GROUP

AUX

PRE

010

AUX7

AUX10

AUX9

AUX8

AUX/GRP OUT jacks

GRP/AUX OUT jacks

STEREO bus

MONO/C bus

MATRIX bus

A7/G1–A14/G8 section

G1/A7–G8/A14 section

Input

channel

Control panel

M2500—Owner’s Manual 15

When you change the setting of the GROUP/AUX

FLIP switch, numerous functions of the output chan-

nels of GROUP buses 1–8 and AUX buses 7–14 will

change in addition to the faders. The functions avail-

able for the output channels of each bus are shown

below for each setting (GROUP/AUX) of the

GROUP/AUX FLIP switch.

• GROUP/AUX FLIP switch= GROUP (principal application: main console)

• GROUP/AUX FLIP switch= AUX (principal application: monitor console)

Output channel GROUP buses 1–8 AUX buses 1–6 AUX buses 7–14

Master control 100 mm faders 100 mm faders Rotary faders

Channel assign switch

(MATRIX/ST/MONO/LCR)

❍✕✕

PAN control ❍✕✕

Mute switch ON/EDIT ON ON

INSERT I/O ❍❍✕

Output channel GROUP buses 1–8 AUX buses 1–6 AUX buses 7–14

Master control Rotary faders 100 mm faders 100 mm faders

Channel assign switch

(MATRIX/ST/MONO/LCR)

✕✕❍

PAN control ✕✕❍

Mute switch ON ON ON/EDIT

INSERT I/O ✕❍❍

Note: The output channels of AUX buses 1–6 are

not affected by the GROUP/AUX FLIP switch.

Control panel

16 M2500—Owner’s Manual

Stereo/monaural master

section

This section controls the signals that are output from

the rear panel ST OUT L/R and MONO/C OUT jacks

(page 28).

STEREO section

A MATRIX switch

If this switch is on ( ), the post-fader ST OUT L/R

signal will be sent to the matrix (page 18).

B ON/EDIT switch / ON, CHECK indicators

The function of this switch and these indicators will

change depending on the mode of the M2500.

● In normal mode

You can use the ON/EDIT switch to turn ST OUT L/

R on/off. When this is switched on/off, the ON indi-

cator will be lit/dark to indicate the status. Channels

that are switched off will not send any signals to the

ST OUT L/R jacks or to the matrix.

● In check mode

When a scene (which contains the on/off state of the

ON/EDIT switches) is selected, the on/off status

memorized in that scene will be indicated by the lit/

dark status of the CHECK indicator. In check mode,

you can also use the ON/EDIT switch to switch the

CHECK indicator between lit/dark. (The current on/

off setting will not be affected.) For details on check

mode, refer to page 32.

C Fader

This adjusts the ST OUT L/R output level.

D AFL switch

Using this switch, the signal sent to the ST OUT L/R

jacks can be monitored from the MONITOR OUT/

PHONES jacks. If the PFL switches of all input chan-

nels are off, turning this AFL switch on (the indicator

above the switch will light) will allow you to monitor

the output signal of the STEREO section from the

MONITOR OUT/PHONES jacks. Use the MASTER

PFL switch of the monitor section to switch the mon-

itor signal between pre/post-fader.

MONO/C section

E MATRIX switch

If this switch is on ( ), the post-fader MONO/C sig-

nal will be sent to the matrix (page 18).

F ON/EDIT switch / ON, CHECK indicators

The function of this switch and these indicators will

change depending on the mode of the M2500.

● In normal mode

You can use the ON/EDIT switch to turn MONO/C

OUT on/off. When this is switched on/off, the ON

indicator will be lit/dark to indicate the status. Chan-

nels that are switched off will not send any signals to

the MONO/C jack or to the matrix.

● In check mode

When a scene (which contains the on/off state of the

ON/EDIT switches) is selected, the on/off status

memorized in that scene will be indicated by the lit/

dark status of the CHECK indicator. In check mode,

you can also use the ON/EDIT switch to switch the

CHECK indicator between lit/dark. (The current on/

off setting will not be affected.) For details on check

mode, refer to page 32.

G Fader

This adjusts the output level of MONO/C.

MATRIX MATRIX

MONO/CSTEREO

AFL

ON/EDITON/EDIT

10

20

30

40

60

50

5

0

5

AFL

10

20

30

40

60

50

5

0

5

CHECK

ON

CHECK

ON

5

8

7

1

2

3

6

4

Control panel

M2500—Owner’s Manual 17

H AFL switch

Using this switch, the signal sent to the MONO/C

OUT jack can be monitored from the MONITOR

OUT/PHONES jacks. If the PFL switches of all input

channels are off, turning this AFL switch on (the

indicator above the switch will light) will allow you to

monitor the output signal of the MONO/C section

from the MONITOR OUT/PHONES jacks. Use the

MASTER PFL switch of the monitor section to switch

the monitor signal between pre/post-fader.

Note: When using the AFL switch to monitor the

signal of the MONO/C section from the MONI-

TOR OUT jacks, be aware that the monitor signal

will not be output from the MONITOR OUT

MONO/C jack, but will be output monaurally

from the MONITOR OUT L/R jacks.

OUT

MONITOR

ST

LR

MONO

RL

ST

PFL AFL

ON

(PFL)

MASTERINPUT

from CPU

INPUT

MONO/C

R

L

ST OUT

+4dB

MONO/C

ST R

ST L

0dB

INSERT I/O

0dB

INSERT I/O

+4dB

MONO/C

ON

PFL

MASTER

L+R LEVEL

ST

MASTER

LR

MONO

SUB IN

RLLR

MONO/C

STEREO

MATRIX

LR

MONO/C

STEREO

MATRIX

G8/A14

G7/A13

G6/A12

G5/A11

G4/A10

G3/A9

G2/A8

G1/A7

ON

CHECK

ON/EDIT

Control

AFL

ON

R

L

PHONES

from CPU

ON

CHECK

ON/EDIT

Control

AFL

7

3

6

1

5

2

8

4

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