Yamaha Audio M2500 User Manual
M2500 Block & Level Diagram
PHANTOM
MASTER
INPUT
1-24
1-32
1-40
1-48
1-56
+48V
(0dB)
(–26dB)
PAD
26dB
ST CH 1
ST CH 2-4
INPUT
GAIN
INPUT A
INPUT B
L/MONO
INSERT I/O
0dB
HPF
80
L
R
L
R
R
GAIN B GAIN A
GAIN
4 stage EQ
Ø
LO
ON/EDIT
A
B
ON/EDIT
f
LO-MID
Control
2 stage EQ
2 stage EQ
Control
2 stage EQ
2 stage EQ
gfg
HI
HI-MID
CHECK
ON
from CPU
EQ
LO
HI
CHECK
ON
from CPU
EQ
HI
LO
PEAK
NOM
SIGNAL
EQ
PEAK
NOM
SIGNAL
MIC
ST CH 2-4
Same as ST CH 1
from CPU
ON
PAN
ST
MONO
PRE
AUX 7-10
Same as AUX 3-6
AUX 11-14
Same as AUX 3-6
PFL
BAL
ST
MONO
PRE
AUX 7-10
Same as AUX 3-6
AUX 11-14
Same as AUX 3-6
PFL
TB/OSC
ST L
to
ST R
MONO
LCR
AUX1
AUX2
AUX3
AUX4
AUX5
AUX6
MIM
to
*
MIO
*
GROUP
1
ST L
ST R
to
MONO
AUX1
AUX2
AUX3
AUX4
AUX5
AUX6
MIL
*
to
MIR
*
MIO
*
AUXGROUP
9
11
23456788765432
8765432
INSERT I/O
0dB
GROUP 2-8
from
GROUP
AUX
INSERT I/O
from AUX 2-6
G1/A7
ON/EDIT
AUX 8-14
0dB
AUX 1
CHECK
ON
Control
from CPU
GROUP/AUX FLIP
LEVEL
GRP/AUX G2/A8-G8/A14
AUX/GRP A8/G2-A14/G8
1413121110
ON
and
Same as
G1/A7
and
G7/A1
ON
AUX 2-6
Same as AUX 1
PAN
SUB IN
+4dB
to METER
AFL
to METER
AFL
to METER
AFL
ST
MONO
MATRIX
ST L
ST R
MONO/C
GRP/AUX OUT
+4dB
G1/A7
to MATRIX
MMAM
to MMPM
MMAO
AUX/GRP OUT
A7/G1
MMAM
to MMPM
MMAO
from INPUT
AUX OUT
+4dB
1
MMAM
to MMPM
MMAO
STEREO
MONO/C
LR
SELECT
G8/A14
METER
STEREO
MONO/C
RLLR
SUB IN
UTILITY
RECALL
STORE
CHECK
G1/A7
G2/A8
G7/A13
G8/A14
ST L
ST R
MONO/C
SUB IN L
SUB IN R
1
2
7
8
DIRECT
RECALL
to METER
AFL
ST IN L
ST IN R
ST L
ST L
ST R
ST R
OUT
THRU
INPUT
(PFL)
MONO
LR
IN
MIDI
MATRIX OUT
+4dB
1-8
MONITOR
ST
ON
MASTER
PFL AFL
MONO
1
2
LEVEL
from
9
0
ENTER
GRP/AUX, AUX/GRP
GRP/AUX, AUX/GRP
GRP/AUX, AUX/GRP
ON
MONO IN
MONO IN, ST IN
AUX, ST MONO
AUX, ST MONO
AUX, ST MONO
ST L, ST R
q
u
PINK
10kHz
AFL
to MONITOR
to MONITOR
to MONITOR
AFL
100Hz
from
1kHz
ON
OSCILATOR
G1/A7
G2/A8
G7/A13
G8/A14
MMAL
to MMPL
MMAO
MMAR
to
MMPR
MMAM
to MMPM
MMAO
SUB IN
MATRIX
LCR
*
*
*
+4dB
*
*
*
L
R
MONO
INSERT I/O
0dB
ST L
CHECK
*
*
*
ON/EDIT
INSERT I/O
INSERT I/O
MONO/C
ON/EDIT
ST R
ON
Control
from CPU
0dB
ON
0dB
CHECK
ON
Control
from CPU
ST OUT
+4dB
L
*
*
*
ST OUT
+4dB
R
*
*
+4dB
MONO/C
*
*
*
+4dB
G1/A7
L
R
G2/A8
MATRIX
MATRIX
G3/A9
MATRIX
A7-14/G1-8
AUX1-6
G1-8/A7-14
MATRIX
G7/A13
G6/A12
G5/A11
G4/A10
CPU
OSC
Mute
Control
to Control
to TB
: MONITOR bus abbreviations
*
Abbrev.
MIL
MIR
MIO
ST
ST
MONO
ON
LR
RL
MASTER
PFL
MONITOR bus
MONITOR INPUT MONOMIM
MONITOR INPUT ST L
MONITOR INPUT ST R
MONITOR INPUT ON
MONITOR MASTER PFL MONOMMPM
MONITOR MASTER PFL ST LMMPL
MONITOR MASTER PFL ST RMMPR
MONITOR MASTER AFL MONOMMAM
MONITOR MASTER AFL ST LMMAL
MONITOR MASTER AFL ST RMMAR
MONITOR MASTER AFL ONMMAO
ST L
from
ST R
MONO/C
MASTERINPUT
MATRIX 1
A7/G1
AUX 1
G1/A7
MATRIX 2
A8/G2
AUX 2
G2/A8
MATRIX 3
A9/G3
AUX 3
G3/A9
MATRIX 4
A10/G4
AUX 4
G4/A10
MATRIX 5
A11/G5
AUX 5
G5/A11
MATRIX 6
A12/G6
AUX 6
G6/A12
MATRIX 7
A13/G7
G7/A13
MATRIX 8
A14/G8
G8/A14
L+R LEVEL
PHONES
L
MONITOR
OUT
+4dB
R
ON
MONO/C
+30dB
+20dB
+10dB
0dB
–10dB
–20dB
–30dB
–40dB
–50dB
–60dB
Pad:On, Gain:Min
Pad:Off, Gain:Min
Pad:On, Gain:Max
Pad:Off, Gain:Max
ST CH
Gain:Min
ST CH 1B
Gain:Max
ST CH 1A, 2-4
Gain:Max
V443040 R0 1 IP NP Printed in Taiwan
INSERT I/O
Clipping Level
MIC
GRP/AUX OUT
AUX/GRP OUT
AUX OUT
SUB IN ST
MONO
ST OUT
SUB IN MATRIX
MATRIX OUT
MONITOR OUT
Phones (@40Ω)
+20dB
+10dB
0dB
–10dB
–20dB
–30dB
–40dB
–50dB
–60dB
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