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MIXING CONSOLE
Owner’s Manual
E
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ii Precautions 1. Avoid excessive heat, humidity, dust and 6. Handle cables carefully vibration Always plug and unplug cables — including the Keep the unit away from locations where it is AC power cord — by gripping the connector, not likely to be exposed to high temperatures or the cord. humidity — such as near radiators, stoves, etc. 7. Clean with a soft dry cloth Also avoid locations which are subject to exces- Never use solvents such as benzine or thinner t
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Introduction 1 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 understand the basic operation and technical terminology of mixing consoles. Descriptions of GA24/12 specifications appear in brackets ({}) if they differ from the GA32/12. Features • The GA32/12 provides 28 monaural an
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2 Front Panel Front Panel 1 26dB GAIN Monaural input channels 2 +10 –34 –16 –60 The GA32/12 {GA24/12} has 28 {20} monaural input channels. They are located on both 3 sides of the master section and feature the same specifications. PEAK 4 80 5 HIGH A Pad switch –15 +15 HI-MID This switch is used to attenuate input signals by 26 dB. Press down the switch to turn the pad on. 400 8k B GAIN control –15 +15 LO-MID 6 This control knob is used to adjust input sens
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Monaural input channels 3 I ON switches These switches are used to turn on and off the signals routed from the input channel to MIX buses 1–4. Note: When these switches are set to off, no signals will be sent from the input channel to the corresponding MIX buses regardless of the setting of the switches in the Variable/Fix select section (see page 6). J M5–M10 mix level controls These controls route the input channel signals to MIX buses 5–10. Use the PRE
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4 Front Panel Stereo input channels The GA32/12 and GA24/12 provide two stereo input channel modules. Use the paired GAIN 1 INPUT 13/14 and 15/16 jacks (see page 17, rear panel 5) to input stereo signals. If you +10 –34 connect signals only to the 13L (MONO) jack or 15L (MONO) jack, the same signal will be sent t the o M1–4 and ST buses. PEAK 3 2 80 HIGH A GAIN control –15 +15 This control is used to adjust input sensitivity. The adjustable range is +10 dB
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Stereo input channels 5 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 on, the pre-fader signals are sent to the corresponding MIX bus pair. J BAL (Balance) control This control is used to adjust the left and right balance of signals sent from the stereo input channel to the ST bus. K ST (Stereo)
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6 Master Section 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 whether you wish to use MIX buses 1–4 as group buses or AUX buses. A M1–M4 switches These switches are used to select whether the level of signals sent from the input channels to MIX buses 1–4 will be fixed (FIX) or variable (VARI
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Mix section 7 n 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 jacks, ST bus, AFL bus, and Matrixes 1/2. n M5–M10 These modules function as output channels for an AUX bus. The MIX bus 5–10 signals that pass these output channels can be routed to MIX OUT 5–10 jacks and AFL bus. A EQ controls (HI
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8 Master Section MIX MIX (FIX) (VARIABLE) PFL 1 2 3 4 1234 5 6 7 8 910 L R CTL FIX MIX ST 3-Stage EQ OUT 1 L R EQ VARIABLE/FIX TO ST PAN MIX INSERT I/O 1 AFL to AFL to MTRX MIX OUT 2-4: Same as MIX OUT 1 MIX 3-Stage EQ OUT 5 EQ to AFL AFL MIX OUT 6-10: Same as MIX OUT 5 Signal flow in the Variable/Fix select section and Mix section GA32/12, GA24/12—Owner’s Manual HIGH HIGH f f MID MID g g LOW LOW
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ST (Stereo) section 9 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 pre- and post-fader for signals output from the ST2 OUT jacks. When you turn this switch on, signals that passed the ST fader are output from the ST2 OUT 1 POST ST1 jacks. When you turn the switch off, the ST fader setting does not a
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10 Master Section AUX RETURN section The GA32/12 and GA24/12 provide four stereo AUX returns. Use the paired AUX RETURN 1–4 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 routing as a monaural AUX return. A M1–M4 mix level controls M5 M5 These controls are used to route signals input 0 10 0 10 M6 M6 from the AUX RETURN 1–2 jacks to MIX buses 1–4. The L channel of a stereo input signal is 0 10 0 10 M1
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MATRIX section 11 MIX MIX (FIX) (VARIABLE) PFL ST 1 2 3 4 1234 5 6 7 8 910 L CTL L R 1L(MONO), M1 2L(MONO) M2 ON M3 1R, M4 2R ST AUX RETURN PFL 3L(MONO), M5 4L(MONO) M6 ON M7 3R, M8 4R M9 M10 ST PFL 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 (rear panel K). M1 M1 A M1–M4 level controls These
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12 Master Section C-R MONI (Control room monitor) section PHONES (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 section 6). A Monitor source select switch This switch enables you to select the type of signal to monitor via the C-R MONITOR OUT 1 jacks and the PHONES jack. PFL/AFL TAPE IN 2 n When the switch is set to PFL/AFL ( ) PFL LEVEL You wil
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TAPE IN section 13 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 ST This control knob determines the level of input signals at the TAPE IN jacks that are sent to on 1 0 10 the ST buses. 2 ON B ON switch TAPE IN This switch turns on and off the signals sent from the TAPE IN jacks to the ST bus. Th
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14 Master Section 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 50–600W . See the figure below for wiring. 1 1 (ground) Male XLR plug INPUT 3 (cold) 2 M1-M4 LEVEL 5 0 10 3 2 (hot) M5-M10 4 6 ST ON B M1-M4 switch TALKBACK C M5-M10 switch D ST switch These switches (2–4) are used to send talkback signals to MIX buses 1–4, MIX buse
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METER SELECT section 15 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 1 PFL•AFL/TAPE the MATRIX (PFL•AFL/TAPE) meter (Meter bridge 3) in the right MATRIX METER SELECT corner of the level meter. n When the switch is set to PFL-AFL/TAPE ( ) The meter indicates either the PFL/AFL bus output level or the input level of the signals sent from the TAPE I
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16 Rear Panel Rear Panel C9 A 0 8 3 4 C-R MONITOR OUT +4dB MATRIX OUT +4dB ST2 OUT +4dB AUX RETURN +4dB 4L (MONO) 3L (MONO) 2L (MONO) 1L (MONO) R L2 1RL PHANTOM (+48V) OFF ON 4R 3R 2R 1R 15L (MONO) 13L (MONO) 12 11 10 9 ST1 OUT +4dB RL INSERT I/O INSERT I/O INSERT I/O INSERT I/O ST INSERT I/O 0dB RL 0dB 0dB 0dB 0dB RL TAPE IN –10dBV D MIX INSERT I/O 0dB INSERT I/O 4 32 1 16R 14R INPUT INPUT INPUT INPUT REC OUT –10dBV OUT IN E BB B B 10 9 8 7 6 5 4 3 2 1 INPUT INPUT INPUT INPUT AA A A MIX OUT
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Rear Panel 17 E INPUT jacks 13–16 These are unbalanced phone jacks for the stereo Tip (send) input channels, with nominal input levels ranging 1/4" phone plug from –34 dB to +10 dB. If you are using the stereo input modules as monaural channels, connect a Sleeve (ground) plug to 13L (MONO) or 15L (MONO) jack. See the figure on the right for wiring. F MIX OUT 1–10 jacks 1 (ground) Male XLR plug 3 (cold) These balanced XLR-3-32 jacks output MIX bus 1–10 signals individually, with a nominal
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18 Rear Panel 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. Tip (send) 1/4" phone plug Tip (send) To processor’s input Sleeve (ground) Ring (return) 1/4" TRS phone plug Tip (return) Sleeve (ground) 1/4" phone plug Connect to INSERT I/O jack From processor’s output Sleeve (ground) M C-R MONITOR OUT jacks Tip (send) These unbalanced phone jacks are used to monitor
