Control Panel; Input Channel Section - Yamaha M2500 Bedienungsanleitung

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.
1
+48V
GAIN
2
+10 –34
–16 –60
3
26dB
4
5
80
HI
–15 +15
HI-MID
400 8k
6
–15 +15
LO-MID
80 1.6k
–15 +15
LO
–15 +15
7
EQ
0 10
AUX1 PRE
0 10
AUX2
0 10
AUX3
0 10
AUX4
PRE
0 10
AUX5
0 10
AUX6
8
0 10
AUX7
0 10 9
AUX8
PRE
0 10
AUX9
0 10
AUX10
0 10
AUX11
0 10
AUX12
PRE
0 10
AUX13
0 10
AUX14
PAN
C
0 10
AUX14
PAN
C
J
L R
ODD EVEN
1-2 ST
K
3-4 MONO
5-6
7-8 LCR
CHECK
ON
L
ON/EDIT
10
PEAK
M
NOM
5
SIGNAL
0
5
10
20
30
40
50
N
O
60
PFL
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.
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.)
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 (
D (phase) switch
This reverses the phase of the input signal. When the
switch is pressed in (
E (high pass filter) switch
80
This switches the high pass filter on/off. When the
switch is pressed in (
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.
Band Type
HIGH Shelving
HIGH-MID Peaking
LOW-MID Peaking
LOW Shelving
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.
), the pad is on.
), the phase is reversed.
), the high pass filter is on,
Center frequency Gain
10 kHz
400 Hz to 8 kHz
±15 dB
80 Hz to 1.6 kHz
100 Hz
M2500—Owner's Manual
3