Page 2 - ii; Precautions
ii GA32/12, GA24/12—Owner’s Manual Precautions 1. Avoid excessive heat, humidity, dust and vibration Keep the unit away from locations where it is likely to be exposed to high temperatures or humidity — such as near radiators, stoves, etc. Also avoid locations which are subject to exces-sive dust ac...
Page 3 - Introduction; Features
Introduction 1 GA32/12, GA24/12—Owner’s Manual Introduction Thank you for choosing the Yamaha GA32/12 or GA24/12 mixing console. Please read this manual thoroughly to take best advantage of the console and extend its useful life. Notes: This manual has been written on the assumption that you already...
Page 4 - Front Panel; Monaural input channels; is turned off, and +10 dB to –34 dB when the pad switch is
2 Front Panel GA32/12, GA24/12—Owner’s Manual Front Panel Monaural input channels 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 Pad switch This switch is used to attenuate input signals by 26 dB....
Page 5 - to
Monaural input channels 3 GA32/12, GA24/12—Owner’s Manual I ON switches These switches are used to turn on and off the signals routed from the input channel to MIX buses 1–4. J M5–M10 mix level controls These controls route the input channel signals to MIX buses 5–10. Use the PRE switches K to selec...
Page 6 - Stereo input channels; This 4-band equalizer provides
4 Front Panel GA32/12, GA24/12—Owner’s Manual Stereo input channels The GA32/12 and GA24/12 provide two stereo input channel modules. Use the paired INPUT 13/14 and 15/16 jacks (see page 17, rear panel 5 ) to input stereo signals. If you connect signals only to the 13L (MONO) jack or 15L (MONO) jack...
Page 7 - ON switch
Stereo input channels 5 GA32/12, GA24/12—Owner’s Manual I PRE (Pre-fader) switches These switches are used to select pre- or post-fader for signals sent from the stereo input channel to MIX buses 5–10. Each switch is effective for one pair of MIX buses:5/6, 7/8, or 9/10. When you turn these switches...
Page 8 - Master Section; Variable/Fix select section; M1–M4 switches; page 4, stereo input channel; Mix section
6 Master Section GA32/12, GA24/12—Owner’s Manual Master Section Variable/Fix select section The GA32/12 and GA24/12 feature a GA (Group/Aux) diversity function, which enables you to use the MIX bus 1–4 signals as group bus signals or AUX bus signals. This section of the console allows you to select ...
Page 9 - This 3-band equalizer provides; EQ switch; This switch is used to turn the equalization on and off.; Mix master fader
Mix section 7 GA32/12, GA24/12—Owner’s Manual ■ M1–M4 These modules function as output channels for either a group bus or an AUX bus, depending on the setting of the switches in the Variable/Fix select section. The MIX bus 1–4 signals that pass these output channels can be routed to MIX OUT 1–4 jack...
Page 11 - LEVEL control
ST (Stereo) section 9 GA32/12, GA24/12—Owner’s Manual ST (Stereo) section This section enables you to control the ST bus signals output from the ST1 OUT jacks (see page 17, rear panel 9 ) and ST2 OUT jacks (see page 17, rear panel J ). A POST ST1 (Post stereo 1) switch This switch toggles between pr...
Page 12 - AUX RETURN section; M1–M4 mix level controls; and
10 Master Section GA32/12, GA24/12—Owner’s Manual AUX RETURN section The GA32/12 and GA24/12 provide four stereo AUX returns. Use the paired AUX RETURN1–4 L/R jacks (see page 17, rear panel 8 ) to input stereo signals. Alternatively, connect signals only to the AUX RETURN 1–4’s L jack to use the rou...
Page 13 - MATRIX section; M1–M4 level controls
MATRIX section 11 GA32/12, GA24/12—Owner’s Manual Signal flow in the AUX RETURN section MATRIX section The GA32/12 and GA24/12 provide two matrix modules that allow you to mix MIX buses 1–4 and ST bus signals at desired levels. Matrix 1–2 signals are output in monaural via the MATRIX OUT 1–2 jacks (...
Page 14 - PHONES section; Monitor source select switch
12 Master Section GA32/12, GA24/12—Owner’s Manual C-R MONI (Control room monitor) sectionPHONES (headphones) section This section enables you to control signals monitored via the C-R MONITOR OUT jacks (see page 18, rear panel M ) and the PHONES jack on the front panel (C-R MONI section/ PHONES secti...
Page 15 - TAPE IN section; Note: Set the Monitor source select switch (C-R MONI section
TAPE IN section 13 GA32/12, GA24/12—Owner’s Manual TAPE IN section This section enables you to control line-level signals input from the TAPE IN jacks. Input signals from the TAPE IN jacks can be routed to the ST bus or directly to the C-R MONITOR OUT jacks and PHONES jack. A ST (Stereo) control Thi...
Page 16 - TALKBACK section; INPUT jack; the figure below for wiring.; ST switch; ) are used to send talkback signals to MIX buses 1–4, MIX buses 5–10,; This control knob is used to adjust the talkback level.; This switch turns talkback signals on and off.
14 Master Section GA32/12, GA24/12—Owner’s Manual TALKBACK section This section is used to route talkback signals to the MIX buses and the ST bus. A INPUT jack This XLR-3-31 unbalanced input jack is used to connect a talkback microphone with an output impedance of 50–600 Ω . See the figure below for...
Page 17 - METER SELECT section; Source select switch; corner of the level meter.; When the switch is set to MATRIX (; The meter indicates the output level of Matrix 1 and 2.; Meter bridge; These meters indicate the output level of MIX OUT 1–10.; ST1 meters; These meters indicate the output level of ST1 OUT.; POWER indicator
METER SELECT section 15 GA32/12, GA24/12—Owner’s Manual METER SELECT section You can select the signal source to be displayed in the Meter bridge section. A Source select switch This switch enables you to select the signal source to be displayed on the MATRIX (PFL•AFL/TAPE) meter (Meter bridge 3 ) i...
Page 18 - Rear Panel; . You cannot use the INPUT; INSERT I/O jacks 1–12
16 Rear Panel GA32/12, GA24/12—Owner’s Manual Rear Panel A INPUT A jacks 1–12, 17–32 {1–12, 17–24} These are balanced, XLR-3-31 monaural input jacks. Usually their nominal input levels range from –16 dB to –60 dB. However, when the pad switches (see page 2, front panel 1 ) are turned on, the nominal...
Page 19 - AUX RETURN 1–4 jacks
Rear Panel 17 GA32/12, GA24/12—Owner’s Manual E INPUT jacks 13–16 These are unbalanced phone jacks for the stereo input channels, with nominal input levels ranging from –34 dB to +10 dB. If you are using the stereo input modules as monaural channels, connect a plug to 13L (MONO) or 15L (MONO) jack. ...
Page 20 - C-R MONITOR OUT jacks
18 Rear Panel GA32/12, GA24/12—Owner’s Manual L ST INSERT I/O jacks These TRS phone jacks are used to insert an external processor into the ST bus, with nominal input/output levels of 0 dB. See the figure below for wiring. M C-R MONITOR OUT jacks These unbalanced phone jacks are used to monitor inpu...
Page 21 - GA Diversity Function; What is GA Diversity?; Press the M1 switch again to set it to (
GA Diversity Function 19 GA32/12, GA24/12—Owner’s Manual GA Diversity Function What is GA Diversity? GA Diversity is an output select function that allows you to use the MIX OUT jacks as group output jacks or AUX output jacks on the GA32/12 and GA24/12. You can route either MIX (Variable) bus signal...
Page 22 - Specifications; General specifications; Specifications are subject to change without prior notice.
20 Specifications GA32/12, GA24/12—Owner’s Manual Specifications General specifications * Turn over/Roll off frequency of shelving: 3 dB below maximum variable level. Specifications are subject to change without prior notice. Frequency response 20 Hz–20 kHz +1 dB, –2 dB, +4 dB 600 Ω (ST1 OUT, ST2 OU...
Page 23 - Input specifications
Input specifications 21 GA32/12, GA24/12—Owner’s Manual Input specifications Output specifications 1. Sensitivity is the lowest level that will produce an output of +4 dB (1.23 V) or the nominal output level when the unit is set to maximum gain.2. Balanced3. Unbalanced4. T: OUT, R: IN, S: GND • 0 dB...
Page 24 - Dimensions
22 Specifications GA32/12, GA24/12—Owner’s Manual Dimensions Unit: mm D: 705 H: 161 800 172 400 107 500 172 186 186 500 W: 1144 W: 1372 GA32/12 GA24/12
Page 25 - Block and Level diagram
Block and Level diagram 23 GA32/12, GA24/12—Owner’s Manual Block and Level diagram ST2 OUT ST1 OUT C-R MONITOR PHONES –60 –50 –40 –30 –20 –10 0 +10 Ch INSERT MIX OUT REC OUT TAPE IN ST INSERT I/O MIX(VARIABLE) 1-10 MIX(FIX) 1-4 MIX INSERT I/O AUX RETURN Talkback INPUT Ch1-12, 17-24/32 PAD Off, GAIN ...
