Yamaha GA24/12 инструкция обслуживания

E MIXING CONSOLE Owner’s Manual[...]

ii GA32/12, GA24/12—Owner’s Manual Precautions 1. A void excessive heat, humidity , dust and vibration K eep the unit a wa y from locations wher e it is likely t o be exposed to high temperatur es or humidity — such as near radiators, sto ves, etc. Also av oid locations which are subject to e xces- siv e dust accumulation or vibr ation which [...]

Introduction 1 GA32/12, GA24/12—Owner’s Manual Introduction Thank you for c hoosing the Y amaha GA32/12 or GA24/12 mixing console. Please read this manual thoroughly to tak e best advantage of the console and ext end its useful life. Notes: This manual has been written on the assumption that you alread y understand the basic operation and techn[...]

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. The y are locat ed on both sides of the master section and feature the same specifications. A Pad switch This switch is used to atten uat e input sig nals by 26 dB. Pr ess down the sw itch to turn the pad[...]

Monaural input channels 3 GA32/12, GA24/12—Owner’s Manual I ON switches These switches are used to turn on and off the sig nals rout ed fr om the input channel to MIX buses 1–4. J M5–M10 mix level controls These contr ols r oute the input channel signals to MIX buses 5–10. Use the PRE switches K to select pre- or post-fader . K PRE switch[...]

4 Front Panel GA32/12, GA24/12—Owner’s Manual Stereo input channels The GA32/12 and GA24/12 pro vide two st er eo input channel modules. U se the paired INPUT 13/14 and 15/16 jacks (see page 17, rear panel 5 ) to input ster eo sig nals. If you connect signals only to the 13L (MONO) jack or 15L (MONO) jack, the same signal w ill be sent t the o [...]

Stereo input channels 5 GA32/12, GA24/12—Owner’s Manual I PRE (Pre-fader) switches These switches are used to select pr e- or post-fader for sig nals sent from the st er eo input channel to MIX buses 5–10. Each switch is effectiv e for one pair of MIX buses:5/6, 7/8, or 9/10. W hen y ou turn these sw itches on, the pre-fader signals are sent [...]

6 Master Section GA32/12, GA24/12—Owner’s Manual Master Section V ariable/Fix select section The GA32/12 and GA24/12 feature a GA (Gr oup/A ux) diversity function, which enables y ou to use the MIX bus 1–4 signals as group bus signals or A UX bus signals. This section of the console allows y ou to select whether you wish to use MIX buses 1–[...]

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 A UX bus, depending on the setting of the switches in the V ar iable/Fix select section. The MIX bus 1–4 signals that pass these output channels can be rout ed to MIX OUT 1–4 jacks, ST bus, AFL bus, and Matrix es [...]

8 Master Section GA32/12, GA24/12—Owner’s Manual Signal flow in the V ar iable/Fix select section and Mix section VARIABLE/FIX FIX MIX OUT 1 MIX INSERT I/O 1 to MTRX PFL PAN to AFL CTL R L R L ST TO ST AFL MIX OUT 2-4: Same as MIX OUT 1 HIGH LOW f g MID 3-Stage EQ EQ 10 9 8 7 6 5 1234 4 3 2 1 MIX (VARIABLE) MIX (FIX) MIX OUT 5 MIX OUT 6-10: Sa[...]

ST (Stereo) section 9 GA32/12, GA24/12—Owner’s Manual ST (Stereo) section This section enables you t o c ontrol the ST bus signals output from the ST1 OUT jacks (see page 17, rear panel 9 ) and ST2 OUT jacks (see page 17, r ear panel J ). A POST ST1 (Post stereo 1) switch This switch toggles between pre- and post-fader for signals output from t[...]

10 Master Section GA32/12, GA24/12—Owner’s Manual AUX RETURN section The GA32/12 and GA24/12 pro vide four ster eo A UX returns. U se the paired A UX RETURN 1–4 L/R jacks (see page 17, rear panel 8 ) to input st er eo sig nals. Alternativ ely , connect signals only to the A UX RETURN 1–4’ s L jack to use the routing as a monaural A UX ret[...]

MATRIX section 11 GA32/12, GA24/12—Owner’s Manual Signal flow in the A UX RETURN section MA TRIX section The GA32/12 and GA24/12 pro vide two matrix modules that allow y ou to mix MIX buses 1–4 and ST bus signals at desired levels. M atr ix 1–2 signals are output in monaural via the MA TRIX OUT 1–2 jacks (rear panel K ). A M1–M4 level [...]

12 Master Section GA32/12, GA24/12—Owner’s Manual C-R MONI (Control room monitor) section PHONES (headphones) section This section enables you t o c ontrol signals monitored via the C-R MONIT OR 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 Thi[...]

TAPE IN section 13 GA32/12, GA24/12—Owner’s Manual T APE IN section This section enables you t o c ontrol line-level signals input from the T APE IN jacks. I nput signals from the T APE IN jacks can be r outed to the ST bus or directly to the C-R MONIT OR OUT jacks and PHONES jack. A ST (Stereo) control This contr ol knob dete rmines the level [...]

14 Master Section GA32/12, GA24/12—Owner’s Manual T ALKBACK section This section is used to r out e talkback signals to the MIX buses and the ST bus. A INPUT jack This XLR -3-31 unbalanced input jack is used to c onnect a talkback microphone with an output impedance of 50–600 Ω . See the figure belo w for wiring. B M1-M4 switch C M5-M10 sw[...]

METER SELECT section 15 GA32/12, GA24/12—Owner’s Manual METER SELECT section Y ou can select the sig nal sourc e t o be displayed in the M eter bridge section. A Source select switch This switch enables you t o select the signal source t o be displa yed on the MA TRIX (PFL•AFL/T APE) meter (M eter bridge 3 ) in the r ight corner of the level [...]

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 balanc ed, XLR -3-31 monaural input jacks. Us ually their nominal input lev els range from –16 dB to –60 dB. H oweve r , when the pad switches (see page 2, front panel 1 ) are turned on, the nominal input le vels range from +[...]

Rear Panel 17 GA32/12, GA24/12—Owner’s Manual E INPUT jacks 13–16 These are unbalanced phone jacks for the st ereo input channels, w ith nominal input levels ranging from –34 dB t o +10 dB . If you are using the st ereo input modules as monaural channels, connect a plug to 13L (MONO) or 15L (MONO) jack. See the figure on the right for w ir[...]

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 pr ocessor into the ST bus, w ith nominal input/output levels of 0 dB. See the figure belo w for wiring. M C-R MONITOR OUT jacks These unbalanced phone jacks ar e used to monitor input signals sent from the PFL bus, AFL bus,[...]

GA Diversity Function 19 GA32/12, GA24/12—Owner’s Manual GA Diversity Function What is GA Diversity? GA Div e rsity is an output select function that allows y ou to use the MIX OUT jacks as group output jacks or A UX output jacks on the GA32/12 and GA24/12. Y ou can route either MIX (V ariable) bus signals or MIX (Fix) bus sig nals to the MIX O[...]

20 Specifications GA32/12, GA24/12—Owner’s Manual Specifications General specifications * T ur n ov er/Roll off frequency of shelv ing: 3 dB belo w maximum var iable level. Specifications are subject t o change without prior notice. Frequency response 20 Hz–20 kHz +1 dB, –2 dB , +4 dB 600 Ω (ST1 OUT , ST2 OUT , MIX OUT , MA TRIX OUT) T[...]

Input specifications 21 GA32/12, GA24/12—Owner’s Manual Input specifications Output specifications 1. Sensiti vity is the lowest level that will produce an output of +4 dB (1.23 V) or the nominal output level when the unit is se t to maximum gain. 2. Balanced 3. U nbalanced 4. T : OUT , R: IN, S: GND • 0 dB=0.775 V r ms, 0 dBV=1 V rms 1. Ba[...]

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[...]

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 Max Ch1-12, 17-24/32 PAD Off, GAIN[...]

VZ46530 R0 1 IP 28 Y AMAHA CORPORA TION P .O .Box 1, Hamamatsu, Japan 98 01 1500 NP Printed in T aiw an[...]