Yamaha ga24-12 User Manual

 

Front Panel

 

The GA32/12 {GA24/12} has 28 {20} monaural input channels. They are located on both 
sides of the master section and feature the same specifications.

 

A

 

This switch is used to attenuate input signals by 26 dB. Press down the switch to turn the 
pad on.

 

B

 

This control knob is used to adjust input sensitivity. The adjustable range is –16 dB to
–60 dB when the pad switch 

 

1

 

 is turned off, and +10 dB to –34 dB when the pad switch is 

turned on.

 

C

 

This switch reverses the phase of input signals. Press down this switch to reverse the phase.

 

D

 

This high pass filter is used to cut the frequency range below 80 Hz with a slope of 12 dB/
oct. Press down the switch to turn the high pass filter on.

 

E

 

This indicator lights up when the level of signals that pass the EQ reaches 3 dB below the 
clipping level.

 

F

 

This 4-band equalizer provides 

 

±

 

15 dB of cut and boost over each range, with the center 

frequencies and types shown in the following table. The frequencies for HI-MID and LO-
MID are variable.

 

G

 

This switch is used to turn equalization on and off. Press down the switch to turn 
equalization on.

 

H

 

These controls are used to route the post fader signals from the input channel to MIX 
buses 1–4.

 

HIGH

10 kHz

shelving

HI-MID

400 Hz–8 kHz

peaking (parametric)

LO-MID

80 Hz–1.6 kHz

peaking (parametric)

LOW

100 Hz

shelving

 

When you press down the M1–M4 switches to the FIX position in the Variable/

Fix select section (see page 6), the output level of the signals routed to the MIX buses will 
be fixed and the corresponding M1–M4 mix level controls will be disabled.

3
4

7

B

D

E

F

6

9

A

2

1

5

C

8

0