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Specifications

—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 dB into 600

Ω

(GROUP OUT, AUX OUT, ST OUT, MONO OUT)

Hum & noise
(Average, Rs=150

Ω

with 20 Hz–20 kHz BPF)

–128 dB equivalent input noise

–95 dB residual output noise (GROUP OUT, AUX OUT, ST OUT, MONO OUT)

–86 dB
(GROUP OUT, ST OUT, MONO OUT)

Master fader: nominal level
All channel faders: minimum
All channel assign switches: off

–81 dB
(AUX OUT)

Master fader: nominal level
All channel faders, all AUX level controls:
minimum

–64 dB (68 dB S/N)
(GROUP OUT, AUX OUT, ST OUT)

Master fader, one channel fader, AUX level
control: nominal level, Assign switch: on
One channel gain control: maximum

Maximum voltage gain

84 dB CH IN to ST OUT
84 dB CH IN to GROUP OUT
58 dB ST IN to ST OUT
58 dB ST IN to GROUP OUT

Crosstalk
(at 1 kHz)

70 dB adjacent input
70 dB input to output

CH input gain control

44 dB variable

CH input PAD

0 dB/26 dB

CH input HPF

80 Hz 12 dB/oct

CH input equalization

15 dB maximum

HIGH

10 kHz

shelving*

MID

250 Hz–5 kHz peaking

LOW

100 Hz

shelving*

* Turn over/roll off frequency of shelving: 3 dB below maximum variable level.

ST input equalization

15 dB maximum

HIGH

10 kHz

shelving*

MID

2.5 kHz

peaking

LOW

100 Hz

shelving*

* Turn over/roll off frequency of shelving: 3 dB below maximum variable level.

Meters

13 points LED meters x4 (GROUP 1–4 /ST L R, PFL•AFL•TAPE IN L R)

CH peak indicators

Red LED on each channel turns on when Post EQ signal reaches the level –3 dB below clipping.

Phantom power

+48 V is supplied to electrically balanced inputs.

Power requirement

USA and Canada: 120 V AC 60 Hz
Other:

230 V AC 50 Hz

Power consumption

GF24/12: 70 W, GF16/12: 70 W, GF12/12: 70 W

Dimensions (WxHxD)

GF24/12: 938

157

487 mm

GF16/12: 701

157

487 mm

GF12/12: 587

157

487 mm

Weight

GF24/12: 20 kg, GF16/12: 16 kg, GF12/12: 14 kg

Содержание GF12/12

Страница 1: ...E Keep This Manual For Future Reference MIXING CONSOLE Owner s Manual ...

Страница 2: ...your plug proceed as follows The wire which is coloured GREEN and YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or coloured GREEN and YELLOW The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK The wire which is coloured BROWN must be connected to the terminal which...

Страница 3: ...t If the power cord is damaged i e cut or a bare wire is exposed ask your dealer for a replacement Using the unit with a damaged power cord is a fire and electrical shock hazard Do not remove the unit s cover You could receive an electrical shock If you think internal inspec tion maintenance or repair is necessary contact your dealer Do not modify the unit Doing so is a fire and elec trical shock ...

Страница 4: ...an be used to extend a PA system All input channels provide a high pass filter a three band EQ and 60 mm faders All input channels AUX returns provide a PFL switch and AUX group stereo output channels provide an AFL switch You can audition input and output sources at the touch of a button All mono input channels provide balanced XLR type and TRS phone jack connectors that accom modate a range of s...

Страница 5: ...N 3 4 ST 10 5 0 5 10 15 20 30 40 HIGH MID PEAK 15 15 GAIN 15 10 60 26dB 34 80 PAN R EVEN L ODD PRE PRE 1 2 3 4 5 6 0 10 0 10 0 10 0 10 0 10 0 10 15 15 LOW AUX PRE 15 15 250 5K PFL 1 2 ON 3 4 ST 10 5 0 5 10 15 20 30 40 HIGH MID PEAK 15 15 GAIN 15 10 60 26dB 34 80 PAN R EVEN L ODD PRE PRE 1 2 3 4 5 6 0 10 0 10 0 10 0 10 0 10 0 10 15 15 LOW AUX PRE 15 15 250 5K PFL 1 2 ON 3 4 ST 10 5 0 5 10 15 20 30 ...

Страница 6: ...his is an indicator that detects post EQ clipping It will light 3 dB before clipping indicating that the signal is near the clipping level If this LED lights lower the GAIN control 2 5 EQ controls HIGH MID LOW This is a three band equalizer that boosts cuts each frequency band over a 15 dB range The center frequency and equalizer type for each band is shown below The response is flat when the knob...

Страница 7: ...the 1 2 switch is on pressed in the signal will be sent to GROUP bus 1 2 When the 3 4 switch is on the signal will be sent to GROUP bus 3 4 A ST stereo switch This switch sends the signal of the input channel to the ST bus When this switch is on the signal will be sent to the ST bus B PFL pre fader listen switch This switch sends the pre fader signal to the PFL AFL bus allowing you to monitor it t...

Страница 8: ...ol This adjusts the input sensitivity The range of levels that can be accommodated is 10 dB to 34 dB 3 High pass filter switch This is an on off switch for the high pass filter that cuts the frequency range below 80 Hz at a slope of 12 dB octave The high pass filter is on when the switch is pressed in 4 PEAK indicator This is an indicator that detects post EQ clipping It will light 3 dB before cli...

Страница 9: ... or the PHONES jack 0 Group select switches These switches send the signal of the input chan nel to GROUP buses 1 4 When the 1 2 switch is on pressed in the signal will be sent to GROUP bus 1 2 When the 3 4 switch is on the signal will be sent to GROUP bus 3 4 A ST stereo switch This switch sends the signal of the input channel to the ST bus When this switch is on the signal will be sent to the ST...

Страница 10: ...hat has passed through the PAN control 1 will be sent to the ST bus 3 Group fader This adjusts the output level of each GROUP bus 1 4 The position of the group fader will affect all signals that are sent from the GROUP bus to the GROUP OUT jacks ST bus and PFL AFL bus 4 AFL after fader listen switch This switch sends the signal of the GROUP bus to the PFL AFL bus If this switch is on the after fad...

Страница 11: ...X faders will affect the signals that are sent from the AUX bus to the AUX OUT jacks and the PFL AFL bus 2 AFL after fader listen switch This switch sends the AUX bus signal to the PFL AFL bus When the switch is on the after fader signal of the AUX bus can be monitored in the C R OUT jacks or the PHONES jack AUX section signal flow AFL 10 5 0 5 10 15 20 30 40 AFL 10 5 0 5 10 15 20 30 40 AFL 10 5 0...

Страница 12: ...switch is in the upward position the signal before passing through the STEREO fader pre fader will be sent to the MONO OUT jack 3 STEREO fader This adjusts the level of the signal that is sent to the STEREO OUT jack The position of the STE REO fader will affect the signals that are sent from the ST bus to the STEREO OUT jacks the MONO OUT jack if the POST switch 2 is on and the PFL AFL bus 4 AFL a...

Страница 13: ...t the level at which signals from the AUX RETURN 2 jacks are sent to GROUP bus 3 4 and AUX bus 3 4 When a stereo signal is input the signals of the L and R channels will be sent to GROUP buses 3 4 and AUX buses 3 4 respectively When a monaural signal is input the same signal will be sent to GROUP buses 3 and 4 and to AUX buses 3 and 4 3 ST stereo controls These adjust the level at which the input ...

Страница 14: ... this switch is on the PHAN TOM indicator page 16 3 in the meter bridge section will light and DC 48 V phantom power will be supplied to the INPUT A jacks page 18 7 in the connector section of each mono input channel 2 METER SELECT switch This selects the signal source whose level will be shown by the level meters When the switch is down The level meters will show the output level of the GROUP bus...

Страница 15: ...nal that is sent to the PHONES jack It does not affect the output signal of the C R OUT jacks 6 PHONES headphone jack A set of stereo headphones can be connected to this jack for monitoring This jack will output the same signal as the C R OUT jacks The wiring of this jack is as shown in the following diagram Tape input and monitor output signal flow 1 4 TRS phone plug Tip hot Ring cold Sleeve grou...

Страница 16: ...level meters at right will show either the out put level of the PFL AFL bus or the input level of the TAPE IN jacks page 17 4 of the connector section depending on the setting of the TAPE IN switch page 15 3 of other controls connec tors 2 POWER indicator This indicator shows the on off status of the mixer s power supply When the POWER switch page 20 E in the connector section has been pressed to ...

Страница 17: ... through the STEREO fader Nominal out put level is 4 dB The pin wiring is shown in the following diagram 4 TAPE IN connector These are phono inputs jacks unbalanced for connecting external line level devices Nominal level is 10 dBV The pin wiring is shown in the following diagram INPUT B INPUT B INPUT A INPUT A 21L 22R 23L 1R 2R 1L MONO MONO 2L L R L R 24R 21L 22R R R L L 1 2 3 4 5 6 1 2 3 4 POWER...

Страница 18: ... 1 8 on the GF12 12 These are XLR 3 31 type input connectors bal anced for the monaural input channels Nomi nal input level is 16 dB to 60 dB when the pad switch page 6 1 of the monaural input channel section is off and 10 dB to 34 dB when the pad switch is on When the PHANTOM 48 V switch page 14 1 of other controls connectors is on DC 48 V phantom power is supplied to pins 2 3 The pin wiring is s...

Страница 19: ...o select whether INPUT jack A or B will be used Be aware that in the case of the INPUT B jacks the channel cannot be used as a mono input channel by inserting a plug only into 21L and 23L If only 21L or 23L are connected the signal will be sent only to the left channel The pin wir ing is shown in the following diagram A AUX RETURN jacks 1 2 These are 1 4 phone input jacks unbalanced for connecting...

Страница 20: ...al from the TAPE IN jacks 4 The nominal output level is 4 dB The pin wiring is shown in the following diagram D GROUP OUT jacks 1 4 These are 1 4 phone jacks unbalanced which individually output the signals of GROUP buses 1 4 The nominal output level is 4 dB E POWER switch This switch turns the power of the mixer on or off 1 4 phone plug 1 4 phone plug 1 4 TRS phone plug To processor s input From ...

Страница 21: ...4 dB CH IN to GROUP OUT 58 dB ST IN to ST OUT 58 dB ST IN to GROUP OUT Crosstalk at 1 kHz 70 dB adjacent input 70 dB input to output CH input gain control 44 dB variable CH input PAD 0 dB 26 dB CH input HPF 80 Hz 12 dB oct CH input equalization 15 dB maximum HIGH 10 kHz shelving MID 250 Hz 5 kHz peaking LOW 100 Hz shelving Turn over roll off frequency of shelving 3 dB below maximum variable level ...

Страница 22: ...0 600Ω Mics 600Ω Lines 86 dB 38 8 µV 60 dB 0 775 mV 40 dB 7 75 mV A XLR 3 31 type 2 B Phone jack 2 MIN 42 dB 6 16 mV 16 dB 123 mV 4 dB 1 23 V ST INPUT A B 21 24 13 16 9 12 MAX 10 kΩ 600Ω Lines 60 dB 0 775 mV 34 dB 15 5 mV 14 dB 155 mV A Phono jack 3 B Phone jack 3 MIN 16 dB 123 mV 10 dB 2 45 V 30 dB 24 5 V AUX RTN IN 1 2 12 dB 195 mV 4 dB 1 23 V 20 dB 7 75 V Phone jack 3 TAPE IN L R 26 dBV 50 1 mV...

Страница 23: ...Dimensions 23 Owner s Manual Dimensions 3 0 0 1 1 9 D 4 8 7 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 ...

Страница 24: ... 1 R L PAN ST AUX 2 AUX 1 GROUP 2 GROUP 1 to PFL AFL PRE AUX 1 AUX 2 PRE AUX 3 AUX 4 AUX 5 AUX 6 GAIN INPUT B 80 3 Stage EQ HPF HA HA HPF 3 Stage EQ 80 INPUT A PEAK to PFL AFL AUX 6 5 4 3 2 1 GROUP AUX 6 AUX 5 AUX 4 AUX 3 PRE AUX 2 AUX 1 PAN PEAK 0dB 48V 80 g g LOW f g MID HIGH 3 Stage EQ Ch Fader INSERT I O 0 dB GAIN Max 30dB GAIN Min 10 dB GAIN Min 10 dB GAIN Min 16 dB GAIN Max 34 dB PAD 26 dB P...

Страница 25: ...4 dB STEREO OUT MONO OUT 4 dB ST INSERT I O 0 dB TAPE IN 10 dBV L R AUX RETURN 1 2 from GROUP OUT 1 AUX RETURN 1 2 L R GROUP OUT AUX OUT from GROUP OUT 4 from GROUP OUT 3 from GROUP OUT 2 C R OUT PHONES ST TAPE IN R L TAPE IN C R MONITOR LEVEL LEVEL PFL AFL L R L PAD I O R I O L ST ST INSERT INSERT 20 dB 10 dB 0 dB 10 dB 20 dB 30 dB 40 dB 50 dB 60 dB BA BA BA BA PHONES L R ST R L 1 20 1 12 1 8 1 2...

Страница 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 ...

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