OPERATIONS MANUAL
PS-767
STEREO PREAMP MIXER
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INTRODUCTION 7. The PS-767 comes with a front panel XLR LIGHT (5) jack. This jack is
for use with a gooseneck light like the Gemini GNL-500. NEVER plug a
Congratulations on purchasing a Gemini Platinum Series model PS-767 microphone into this jack.
mixer. This state of the art mixer includes the latest features backed by a
8. If you are using an off board signal enhancer, you can use the SEND
three year warranty. Prior to use, we suggest that you carefully read all the
(80) output to send the signal to the device and the RECEIVE (81) input
instructions.
jacks to bring the signal back in to the PS-767.
9. The PS-767 is supplied with DJ MIC LOOP (82) jacks that can be used
FEATURES to add an audio enhancer such as a key controller to the mic circuit..
• 4 Stereo channels (2 Phono/6 Line) There must be a connection to these jacks. If no device is being used in
the DJ mic loop, then the jumper wire (included) must be in place.
• 1 DJ Mic channel
• 1 Aux Mic or Line Mono channel
OPERATION
• Combo XLR or 1/4" DJ Mic jack
1. POWER ON: Once you have made all the equipment connections to
• Bass, Mid, Treble and Gain controls on each channel your mixer, press the POWER SWITCH (1). The power will turn on and
• The DJ Mic and Aux channels have pan controls the POWER LED (2) will glow RED.
• Assignable, removable crossfader 2. DJ MIC SECTION: The GAIN (6), TREBLE (7), MID (8), BASS (9), PAN
• Assignable Beat indicators (10) and LEVEL (11) controls allow full adjustment of the DJ mic that is
plugged into the DJ MIC (3) input.
• Assignable Send plus Receive effects circuitry for adding off board
sound enhancers such as digital samplers Note: The OVERLOAD LED (12) glows red when the DJ mic is
being over driven. To correct the setting, turn down the GAIN
• DJ Mic loop (6) control until the LED goes off.
• 6 Drum sound effects 3. AUX CHANNEL: By using the AUX MIC/LINE (13) switch, you can
• Echo section assignable to Mic or Music with appropriate delay times for choose between an additional mic or an additional mono line input. The
each source GAIN (14), TREBLE (15), MID (16), BASS (17), PAN (18) and LEVEL
(19) controls fully adjust the Aux Channel input you selected with the
AUX MIC/LINE (13) switch.
WORDS TO THE WISE
Note: The OVERLOAD LED (20) glows red when the Aux
1. All operating instructions should be read before using this equipment. Channel is being over driven. To correct the setting, turn down
2. To reduce the risk of electrical shock, do not open the unit. There are the GAIN (14) control until the LED goes off.
NO USER REPLACEABLE PARTS INSIDE. Please refer servicing to a HINT: Like the DJ Mic, the Aux Channel is always live. Hooking up another
qualified service technician. mic or a mono line device such as a sound effects generator or a drum
3. Do not expose this unit to direct sunlight or to a heat source such as a machine, will allow you to play the selected source at any time.
radiator or stove. 4. MAIN CHANNEL SECTION: To assign an input source to a channel, set
4. This unit should be cleaned only with a damp cloth. Avoid solvents or the PHONO/LINE (29,30) and the LINE/LINE (31, 32) switches to their
other cleaning detergents. appropriate positions. To make the proper adjustments to your music,
set the TREBLE (21), MID (22), BASS (23) and GAIN (24) controls and
5. When moving this equipment, it should be placed in its original carton
the CHANNEL (25, 26, 27, 28) slides.
and packaging. This will reduce the risk of damage during transit.
5. CROSSFADER SECTION: The CROSSFADER (38) allows the mixing of
one source into another. The PS-767 features an assignable crossfader.
CAUTIONS The ASSIGN (39,43) switches allow you to select which cannel will play
DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. through each side of the CROSSFADER. ASSIGN (39) switch allows
you to select channel 1, 2, 3 or 4 to play through the left side of the
DO NOT USE ANY SPRAY CLEANER OR LUBRICANT ON ANY
CROSSFADER. ASSIGN (43) switch does the same to the right side of
CONTROLS OR SWITCHES.
the CROSSFADER. Each assign switch has its own OFF (40) switch
and OFF INDICATOR (41) LED. With the OFF (40) switch in the off
CONNECTIONS position (the OFF INDICATOR (41) glows red), that side of the
CROSSFADER (38) will be inactive.
1. Before plugging in the power cord, make sure that the VOLTAGE
SELECTOR (65) switch is set to the correct voltage. HINT: Try using the OFF (40) switches when you are changing the ASSIGN
(39,43) switch settings. For Example: Assume that you have a turntable
Note: This product is double insulated and not intended to be
hooked up to channel 1, a tape deck hooked up to channel 2 and a CD
grounded.
player hooked up to channel 3. The left side ASSIGN (39) switch is set to 1,
2. Make sure that the POWER (1) switch is in the off position. The the right side ASSIGN (43) is set to 2, and the CROSSFADER (38) is all the
POWER LED (2) will be off. way to the right. Under this set of circumstances, channel 2 will be playing
3. The PS-767 is supplied with 3 sets of output jacks. The OUTPUT AMP your tape deck. Now suppose you want to change the left side ASSIGN (39)
(66) jacks are used to connect to your main amplifier. The OUTPUT switch to # 3 so that you can use your CD player. You must turn the left side
REC (67) jacks can be used to connect the mixer to the record input of ASSIGN (39) off by pressing the OFF (40) Switch (the OFF INDICATOR
your recorder enabling you to record your mix. The OUTPUT BOOTH (41) glows red). Then you can make your changes to the setting. Reactivate
(68) jacks allow you to hook up an additional amplifier. the ASSIGN (39) switch by pressing the OFF (40) switch (the OFF
INDICATOR (41) goes off). Failure to do this will result in an audio glitch
4. The PS-767 is equipped with 2 microphone inputs. The DJ MIC (3) input
when the ASSIGN (39) switch setting is changed.
(found on the front panel) accepts 1/4" or XLR connectors and suitable
for balanced or unbalanced microphones. The AUX MIC (69) input (found The CROSSFADER (38) in your unit is REMOVABLE and if the need
on the rear panel) is a 1/4" jack for an unbalanced microphone. arises can be easily replaced. Crossfader units are available in two
sizes. Part # RF-45 (which is identical to the crossfader supplied with the
5. On the rear panel are 2 stereo PHONO (70, 71) inputs, 6 stereo LINE
PS-767) has a 45 mm travel from side to side. Also available is part #
(72, 73, 74, 75, 76, 77) inputs and 1 mono AUX LINE (78) input. The
RF-30 which has a 30 mm travel distance Just purchase either of these
stereo phono inputs will accept only turntables with a magnetic cartridge.
crossfader units from your Gemini dealer and follow these instructions:
A GROUND (79) screw for you to ground your turntables is located on
the rear panel. The stereo line inputs will accept any line level input such
as a CD player, a cassette player, etc.
Note: The AUX LINE (78) input is composed of 2 RCA jacks.
When connecting a mono line level source, either jack can be
used. By connecting a stereo line level device to both jacks, the
input will be combined to one mono signal.
6. Headphones can be plugged into the front panel mounted HEADPHONE
(4) jack.
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1. Unscrew the outside FADER plate screws (B). Do not HEADPHONE (4) jack, you can monitor any or all of the channels. CUE
touch the INSIDE SCREWS (C). ASSIGN (55) buttons are for the channels 1 - 4 and the CUE ASSIGN
2. Carefully lift the fader and unplug the CABLE (D). (56) button is for the Aux Mic/Line Mono channel and the DJ Mic.
3. Plug the new fader into the cable and place it back in the HINT: When you are using the DJ Mic and have a device connected to the
mixer. DJ Mic Loop, the signal you hear in the headphones includes the device in
the loop.
4. Screw the fader to the mixer.
Select the correct Cue assign button or buttons and their respective
LED indicators will glow. Use the HEADPHONE LEVEL (57) control to
adjust the headphone volume with out effecting the overall mix. By
rotating the CUE PGM PAN (58) control to the left you will be able to
monitor the assigned cue signal. Rotating to the right will monitor the
PGM (program) output.
11. ECHO SECTION: Echo can be applied to either the microphones or the
music but not to both. To select the microphone option, press the MIC
ECHO (59) button (the LED will glow). To select the music option use the
MUSIC ECHO (60) button. You can adjust the level, repeat and delay
parameters of the echo by using the ECHO (62) controls.To turn echo
off, push the OFF ECHO (61) button.
12. DRUM EFFECTS SECTION: Six different drum effects (BASS DRUM,
CYMBAL, LASER DRUM, SNARE DRUM, HI CONGA and CLAPS) may
6. BEAT INDICATORS: Each side of the CROSSFADER (38) has its own be added to your mix by depressing the DRUM EFFECT (63) buttons.
BEAT INDICATOR 42, 44). They flash at the low frequency peak level Adjust the level by turning the LEVEL (64) control.
of each assigned source, allowing you to match the beats visually.
BEAT INDICATOR (42) will reflect the beat of the source assigned to the
left side of the CROSSFADER (38) and BEAT INDICATOR (44) will do
SPECIFICATIONS
the same for the right side. INPUTS:
Note: The flashing level can be fine tuned by increasing or DJ Mic.......................................1.5mV 3Kohm balanced/unbalanced
decreasing the gain and bass controls of the assigned channel. Aux Mic..............................................1.5mV 10Kohm unbalanced only
7. OUTPUT CONTROL SECTION: The level of the AMP OUT (66) is Aux Line...................................................................150mV 27Kohm
controlled by the MASTER (33) slide. The BALANCE (34) control will DJ Loop............................................................................150mV 10Kohm
allow the Amp Out signal to be balanced between the left and right Phono............................................................................3mV 47Kohm
speakers. The MONO (35) switch, when depressed, (the MONO LED Line................................................................................150 mV 27Kohm
(36) will glow), will make the Amp Out signal a mono signal. The BOOTH Receive...........................................................................75mV 27Kohm
(37) control adjusts the level of the BOOTH OUTPUT (68). OUTPUTS:
Note: The LED DISPLAY (48) indicates the AMP OUT (66) Amp/Booth...........................................................0 dB 775mV 400ohm
signal only and is not affected by the BOOTH OUTPUT (68) Max...............................................24V Peak to Peak
signal. Rec.............................................................................225mV 5Kohm
DJ Loop.......................................................................150mV 220ohm
HINT: The booth OUTPUT is used by some DJs to run monitor speakers in Send..................................................................................150 mV 300ohm
their DJ booth. You can also use it as a second ZONE or AMP output. GENERAL:
Note: The RECORD OUT (67) has no level control. The level is Bass.............................................................................................+/- 12dB
set by the channel slides and the gain control of the selected Mid.................................................................................................+/- 9dB
channel. The tonal qualities are set by the bass, treble and mid Treble...........................................................................................+/- 12dB
controls of that same channel. Echo.......................................................................................600msec
8. TALKOVER SECTION: The purpose of the talkover section is to allow Gain (Mic/Aux)............................................................................0 to -40dB
the program playing to be muted so that the mic can be heard above the Gain (Chnls 1-4)........................................................................0 to -20dB
music. When the TALKOVER ON/OFF (45) button is pushed (the Frequency Response........................................20Hz - 20KHz +/- 2dB
TALKOVER INDICATOR (46) will glow), the volume of all sources except Distortion.....................................................................................0.02%
the DJ Mic and the Aux channel are reduced. The amount of reduction S/N Ratio......................................................................better than 80dB
can be set between -6 dB and -36 dB by using the MUTE LEVEL (47) Talkover Attenuation............................................................-6 to -36dB
control. Headphone Impedance................................................................16ohm
9. SEND AND RECEIVE SECTION: By using the SEND ASSIGN (49) Power Source.......................................................115/230V 50/60Hz 15W
switch, you can send the selected signal to some sort of audio Dimensions...................................................482mm x 240mm x 110mm
enhancement device (like a digital sampler or key controller). The level 19" x 9 1/2" x 4 1/4"
of the signal being sent can be adjusted by the SEND (50) control. To Weight.............................................................................11lbs (5Kg)
receive the signal back into the PS-767, you must first turn on the RCV
ON (51) switch (LED (52) will light). The level of the signal being
received can be adjusted with the RECEIVE (53) control.
Note: The signal being received back into the PS-767 can be
monitored by using the headphones and by pressing the
RECEIVE (54) cue control. If the RCV ON (51) switch is in
the off position (LED (52) is off), the level of the signal can be
monitored and adjusted prior to its playing through the output.
Turning the RCV ON (51) switch to the on position connects
the received signal to the output section.
HINT: The RECEIVE (81) input can be used as an additional stereo line level
input controlled by the RECEIVE (53) and activated by the RCV ON (51)
switch.
10. CUE SECTION: By connecting a set of headphones to the
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In the U.S.A., if you have any problems with this
unit, call 1-732-969-9000 for customer service. Do
not return equipment to your dealer.
Parts of the design of this product may be protected by worldwide patents.
Information in this manual is subject to change without notice and does not represent a commitment on the
part of the vendor. Gemini Sound Products Corp. shall not be liable for any loss or damage whatsoever arising
from the use of information or any error contained in this manual.
No part of this manual may be reproduced, stored in a retrieval system or transmitted, in any form or by any
means, electronic, electrical, mechanical, optical, chemical, including photocopying and recording, for any
purpose without the express written permission of Gemini Sound Products Corp..
It is recommended that all maintenance and service on the product should be carried out by Gemini Sound
Products Corp. or it’s authorized agents. Gemini Sound Products Corp. cannot accept any liability whatsoever
for any loss or damage caused by service, maintenance or repair by unauthorized personnel.
Worldwide Headquarters • 8 Germak Drive, Carteret, NJ 07008 • USA
Tel (732) 969-9000 • Fax (732) 969-9090
France • G.S.L. France • 11, Avenue Leon Harmel, Z.I. Antony, 92160 Antony, France
Tel: + 33 (0) 1 55 59 04 70 • Fax: + 33 (0) 1 55 59 04 80
Germany • Gemini Sound Products GmbH • Ottostrasse 6, 85757 Karlsfeld, Germany
Tel: 08131 - 39171-0 • Fax: 08131 - 39171-9
UK • Gemini Sound Products • Unit C4 Hazleton Industrial Estate, Waterlooville, UK P08 9JU
Tel: 087 087 00880 • Fax: 087 087 00990
Spain • Gemini Sound Products S.A. • Mino, 112, Nave 1, 08223 Terrassa, Barcelona, Spain
Tel: 011-34-93-736-34-00 • Fax: 011-34-93-736-34-01
© Gemini Sound Products Corp. 1997 All Rights Reserved
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