- DL manuals
- Yamaha
- Music Mixer
- GF12/12
- Owner's Manual
Yamaha GF12/12 Owner's Manual
Summary of GF12/12
Page 1
E keep this manual for future reference. Mixing console owner’s manual.
Page 2: Important
Warning: this apparatus must be earthed important the wires in this mains lead are coloured in accordance with the following code: green-and-yellow : earth blue : neutral brown : live as the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identi...
Page 3: Precautions
Precautions 3 —owner’s manual precautions warnings • do not allow water to enter this unit or allow the unit to become wet. Fire or electrical shock may result. • connect this unit’s power cord only to an ac out- let of the type stated in this owner’s manual or as marked on the unit. Failure to do s...
Page 4: Introduction
4 introduction —owner’s manual introduction thank you for purchasing the yamaha gf24/12, gf16/12, or gf12/12 mixing console. These mixers provide an ample twelve outputs, and are suitable for a wide variety of applications ranging from concert sound reinforcement to installed systems. In order to ta...
Page 5: Front and Rear Panel
Front and rear panel 5 —owner’s manual front and rear panel this section explains the names and functions of each section of the gf24/12, gf16/12, and gf12/12. The functionality of these mixers is grouped into ten sections. These are the two chan- nel control sections, seven master control sections,...
Page 6: Channel Controls
6 front and rear panel —owner’s manual channel controls ■ mono input channels here are the 20 {12, 8} mono input channels of the gf24/12 {gf16/12, gf12/12}. The input channel section processes the signal from the input jacks of the connector section, and sends the result to the group buses, aux buse...
Page 7
Channel controls 7 —owner’s manual 7 pre switches these switches select whether the pre or post - fader signal will be sent to aux buses 3–6. This setting is switched in pairs: aux 3/4 and 5/6. When the switch is pressed in, the pre-fader sig- nal will be sent to the corresponding pair of aux buses....
Page 8: Stereo Input Channels
8 front and rear panel —owner’s manual ■ stereo input channels here are the two stereo input channels provided by the gf24/12, gf16/12, and gf12/12. The input 21/22 and 23/24 {13/14 and 15/16 on the gf16, and 9/10 and 11/12 on the gf12/12} jacks ( 6 and 0 of the connector section) are pairs of conne...
Page 9
Channel controls 9 —owner’s manual 6 aux controls (1–6) these knobs adjust the level at which the input channel signal is sent to the aux buses 1–6. Aux controls 1 and 2 are fixed at pre-fader, and aux controls 3–6 can be switched between pre/post fader using the pre switch ( 7 ). When a knob is in ...
Page 10: Master Controls
10 front and rear panel —owner’s manual master controls ■ group section this section individually controls the output sig- nal of group buses 1–4. The signal that passes through the group 1–4 output channels can be sent individually from the group out 1–4 output jacks (page 20, d in the connector se...
Page 11: ■ Aux Section
Master controls 11 —owner’s manual ■ aux section this section individually controls the output sig- nals of aux buses 1–6. The signal that has passed through the aux 1–6 output channels can be sent individually to the aux out jacks 1–6 (page 17, 1 in the connector section), and can also be sent to t...
Page 12: ■ Stereo/mono Section
12 front and rear panel —owner’s manual ■ stereo/mono section this section separately controls the stereo out jacks (page 17, 3 in the connector section) which are the main output of the mixer, and the mono out jack (page 17, 2 in the connector section) which outputs a monaural mix of the stereo out...
Page 13: ■ Aux Return Section
Master controls 13 —owner’s manual ■ aux return section this section controls the two stereo aux returns. By using the l and r jacks of aux return 1/2 (page 19, a in the connector section) in pairs, you can input stereo signals. If only the l jack of aux return 1/2 is connected, this can be used as ...
Page 14: ■ Tape In Section
14 front and rear panel —owner’s manual ■ tape in section this section controls the signal that is input from the tape in jacks (page 17, 4 in the connector section). The input signal from the tape in jacks can be sent directly from the st bus, and can also be monitored from the c-r out jacks or pho...
Page 15
Master controls 15 —owner’s manual 3 tape in switch this selects the signal that will be monitored by the c-r out jacks and phones jack: either the pfl/afl bus, or the tape in jacks. 4 c-r monitor level (control room moni- tor level) control this adjusts the level of the signal that is sent to the c...
Page 16: ■ Meter Section
16 front and rear panel —owner’s manual ■ meter section this is a peak level meter that shows (according to the setting of the meter select switch, page 14) the output levels of group buses 1–4, the st bus, and the pfl/afl bus, and the input level of the tape in jacks. The status of the mixer’s powe...
Page 17: Connectors
Connectors 17 —owner’s manual connectors 1 aux out jacks 1–6 these are trs phone output jacks (balanced) that individually output the signals of aux buses 1–6. Nominal level is +4 db. These jacks can be connected to your foldback system or to the inputs of external effect processors. The pin wir- in...
Page 18
18 front and rear panel —owner’s manual 5 rec out jacks these are phono jacks (unbalanced) that output the signal from the st bus, with a nominal level of –10 dbv. This output signal is not affected by external effect processors connected to the st insert i/o jacks (b) or by the position of the ster...
Page 19
Connectors 19 —owner’s manual 9 insert i/o jacks 1–20 {1–12 on the gf16/ 12, 1–8 on the gf12/12} these are trs phone input/output jacks for inserting external effect processors between the eq and channel fader of a monaural input chan- nel. Nominal level is 0 db. The pin wiring is shown in the follo...
Page 20
20 front and rear panel —owner’s manual b st insert i/o jacks these are trs phone input/output jacks for inserting external effect processors between the st bus and the stereo fader. The nominal input/output level is 0 db. The pin wiring is shown in the following diagram. C c-r out (control room mon...
Page 21: Specifications
Specifications 21 —owner’s manual specifications general specifications • 0 db is referenced to 0.775 vrms. Frequency response 20 hz–20 khz +1 db, –3 db @+4 db into 600 Ω (group out, aux out, st out, mono out) input gain control: minimum total harmonic distortion less than 0.1%, @20 hz–20 khz, +14 d...
Page 22: Input Specifications
22 specifications —owner’s manual input specifications output specifications specifications are subject to change without prior notice. For european model purchaser/user information specified in en55103-1 and en55103-2. Inrush current: 3a conformed environment: e1, e2, e3 and e4 †1. Sensitivity is t...
Page 23: Dimensions
Dimensions 23 —owner’s manual dimensions 300 119 d: 487 h: 157 119 119 349 119 119 463 119 119 349 351 gf12/12 gf16/12 gf24/12 unit: mm w: gf24/12: 938 gf16/12: 701 gf12/12: 587.
Page 24: Block/level Diagram
24 specifications —owner’s manual block/level diagram high mid lo w st input st input *2,*4 *1,*3 *2,*4 *1,*3 on to st to pfl/afl afl afl pfl to pfl/afl to pfl/afl pfl st to st to st pfl pfl 1-2 to st st to st (mono) (mono) (mono) a b on same as aux out 1 same as group out 1 aux out 2-6: group out 2...
Page 25
25 —owner’s manual ch input *1,*3 rec out mono l r mono post stereo out mono out afl on (r) (l) ch input *2,*4 ch input *1,*3 ch input *2,*4 ch input ch input from from r meter select phones (3 mw, 40*) rec out (–10 dbv) c-r out (+4 db) stereo out, mono out (+4 db) st insert i/o (0 db) tape in (–10 ...
Page 26
Yamaha corporation v329640 r3 1 ip 32 pro audio division, #18/3 p.O. Box 3, hamamatsu, 430-8651, japan np printed in taiwan.