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; Warnings
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; Features of the system
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; Channel controls; Front 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 - Mono input channels; Pad switch; +10 dB to –34 dB when the pad switch is on.; High pass filter switch; The response is flat when the knob is in the “
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 - PRE switches; Mono input channel signal flow
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. W...
Page 8 - Stereo input channels; GAIN control
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 - in the “; Stereo input channel signal flow
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; GROUP section; in the connector sec-; PAN control; will be sent to the ST bus.; Group fader; Group section signal flow
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 sec...
Page 11 - AUX section; AUX fader; AUX section signal flow
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 th...
Page 12 - in the connector section); POST switch; STEREO/MONO section signal flow
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; and; AUX RETURN section signal flow
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; in the connector; ON switch; Other controls/connectors; in the meter bridge; METER SELECT switch; in the connector section), depending on the
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 - TAPE IN switch; Tape input and monitor output signal flow
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; Level meters; of the connector; POWER indicator; in the connector section) has been
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; AUX OUT jacks 1–6
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-ing...
Page 18 - REC OUT jacks; ) or by the position of the
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 ST...
Page 19 - in the stereo
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 followi...
Page 20 - GROUP OUT jacks 1–4
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; General 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; Specifications are subject to change without prior notice.
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: 938GF16/12: 701GF12/12: 587
Page 26 - YAMAHA CORPORATION
YAMAHA CORPORATION V329640 R3 1 IP 32 Pro Audio Division, #18/3 P.O. Box 3, Hamamatsu, 430-8651, Japan NP Printed in Taiwan
