Gemini Musical Instrument PS 676i User Manual

OPERATIONS MANUAL  
PS-676i  
PROFESSIONAL MIXER  
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PS-676i  
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additional amplifier.  
INTRODUCTION  
Congratulations on purchasing a Gemini Platinum Series model PS-676i  
mixer. This state of the art mixer is backed by a three year warranty,  
excluding crossfader and channel slides. Prior to use. We suggest that  
you carefully read all the instructions.  
5. On the rear panel are 2 stereo PHONO (32,34) inputs, 2 stereo LINE  
(31,33) inputs and 1 stereo PHONO/LINE (36) input. The PHONO/  
LINE (35) switch enables you to set the (36) input to Phono or Line.  
The phono inputs will accept only turntables with a magnetic  
cartridge. A GROUND (37) screw 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.  
FEATURES  
6. Headphones can be plugged into the front panel mounted  
HEADPHONE (4) jack.  
Cut Feature for Low, Mid and High of each channel  
Digital sampler  
THE GROUND LIFT SWITCH  
epending on your system configuration, applying the ground  
sometimes creates a quieter signal path. Sometimes “lifting” the  
3 Stereo channels (3 Phono, 3 Line and 1 Mic)  
1/4" DJ Mic jack  
Low, Mid ,High and Gain controls on each channel  
Beat indicators  
D
ground eliminates loops and hum to create a quieter signal path.  
1. Listen to the system with the unit ON, without music, and with the  
ground “applied”. GROUND LIFT SWITCH (41) should be to the left.  
Master, Booth and Record outputs  
2. Turn power OFF before moving the GROUND LIFT SWITCH.  
Dual mode display (Left & Right output or Channel 2 and Channel 3)  
Push button cueing with Cue/Program pan control  
3. Now, “lift” the ground by moving the GROUND LIFT SWITCH to the  
right. Turn the power back ON and listen to determine which  
position provides a signal free of background noise and hum.  
CAUTIONS  
1. All operating instructions should be read before using this  
equipment.  
Note: Keep GROUND LIFT in the ground “applied” or left position if  
noise level remains the same in either position.  
CAUTION:DO NOT TERMINATE THE AC GROUND ON THE POWER  
2. To reduce the risk of electricai shock, do not open the unit. There are  
NO USER REPLACEABLE PARTS INSIDE. Please refer servicing to a  
qualified Gemini Sound Products service technician.  
hCABLE. TERMINATION OF THE AC GROUND CAN BE HAZARDOUS.  
OPERATION  
1. POWER ON: Once you have made all the equipment connections to  
your mixer, press the POWER SWITCH (1). The power will turn on  
and the POWER LED (2) will glow RED.  
In the USA: if you experience problems with this unit, please  
call 1 (732) 969-9000 for Gemini Customer Service.  
Do not attempt to return this equipment to your dealer.  
3. Do not expose this unit to direct sunlight or to a heat source such as  
a radiator or stove.  
2. CHANNEL 1: The GAIN (6), HIGH (7), MID (8), and LOW (9).Controls  
allows you to fully adjust the selected source. Switch (10) allows  
you to select either the mic or the PHONO/LINE (36) input. The  
CHANNEL (13) slide controls the output level of this channel.  
4. This unit should be cleaned only with a damp cloth. Avoid solvents  
or other cleaning detergents.  
5. When moving this equipment, it should be placed in its original carton  
and packaging. This will reduce the risk of damage during transit.  
3. MAIN CHANNEL SECTION:To assign an input source to a channel,  
first set the PHONO/LINE (11,12) switches to their appropriate  
positions. To make the proper adjustments to your music, set the  
GAIN (6), HIGH (7), MID (8) and LOW (9) controls and position the  
CHANNEL (14,15) slide.  
6. DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.  
7. DO NOT USE ANY SPRAY CLEANER OR LUBRICANT ON ANY  
CONTROLS OR SWITCHES.  
PLEASE NOTE:There is Low, Mid and High equalization for each  
channel with an extremely wide range of adjustment.  
CONNECTIONS  
1. Before plugging in the power cord, make sure that the VOLTAGE  
SELECTOR (30) switch is set to the correct voltage.  
SUGGESTION:You can use the Cut Features on each channel to  
remove Low, Mid and/or High range to create special effects.  
he Crossfader in your unit is removable and ,should the need  
arise, can easily be replaced by following these instructions.  
NOTE: This product is double insulated and is not intended to be  
grounded.  
T
Note:Gemini replacement Crossfaders are available in three  
F
varieties: the RG-45 PRO (RAIL GLIDETM)Dual-Rail Crossfader; the RF-  
45, which has a 45mm travel from side-to-side;and the PSF-45,which  
features a special “curve” designed for scratch mixing.  
2. Make sure that the POWER (1) switch is in the off position. The  
POWER LED (2) will be off.  
3. The PS-676i is supplied with four (4) sets of output jacks.  
1. Unscrew the outside  
FADER PLATE SCREWS (B).  
The 1/4" BALANCED OUT PUT (29) jacks are used to connect to  
your main amplifier using standard balanced cables. We recommend  
using balanced amp outputs if the cables to your amp are 25 feet or  
more.  
- Do not touch INSIDE SCREWS (C).  
2. Carefully remove old Cross-  
fader and unplug CABLE (D).  
The MAIN OUTPUT (38) (RCA type) jacks are unbalanced and used  
to connect to your main amplifier.  
3. Plug new Crossfader into  
CABLE (D) and place back into mixer.  
The REC OUTPUT (40) (RCA type) jacks can be used to connect the  
mixer to the record input of your recorder enabling you to record  
your mix.  
D
4. Screw Crossfader to mixer with  
FADER PLATE SCREWS (B).  
The BOOTH OUTPUT (39) (RCA type) jacks allow you to hook up an  
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Sampler Operation  
The PS-676i Sampler uses Dynamic RAM Memory and a 12 bit  
microprocessor controller. The full bandwidth results in true sound  
reproduction.  
Your Gemini mixer comes with an RG-45 PRO (RAIL  
GLIDE™) DUAL-RAIL CROSSFADER. Rail Glide™  
Crossfaders have internal dual stainless steel rails that allow the  
slider to ride smoothly and accurately from end to end.  
SAMPLE RECORD:  
4. CROSSFADER SECTION: The CROSSFADER (25) allows the mixing  
of one source into another. The left side of the CROSSFADER (25) is  
channel 2 and the right side is channel 3.  
1. Put the MODE SELECTOR (36) switch into the WRITE position.  
2. Select the source you want to sample from by pressing the  
appropriate ASSIGN BUTTON(44).  
5. BEAT INDICATORS:Each side of the CROSSFADER (25) has its own  
BEAT INDICATOR (23,24). They flash at the low frequency peak  
level allowing you to match the beats visually. BEAT INDICATOR (23)  
will reflect the beat of the CH2 and BEAT INDICATOR (24) will do  
the same for CH3.  
3. The PS-676i is equipped with a SAMPLER REC/PLAY LEVEL(43)  
control.When the MODE SELECTOR(36) is in the WRITE mode, this  
control acts as a record level control. If the OVERLOAD  
INDICATOR(42) is blinking, it means that the input signal you are going  
to sample is too strong and will cause the sample to be distorted.  
Lower the sample signal intensity by tuming the SAMPLER REC/PLAY  
LEVEL(43) control counterclockwise.  
6. OUTPUT CONTROL SECTION:The level of the AMP OUT (38) is  
controlled by the MASTER (18) control. The BALANCE (17) control  
will allow the Amp Out signal to be balanced between the left and  
right speakers. The BOOTH (16) control adjusts the level of the  
BOOTH OUTPUT (39).  
4. If the OVERLOAD INDICATOR(30) is off, turn the SAMPLER REC/  
PLAY LEVEL(43) control clockwise until the OVERLOAD  
INDICATOR(42) begins to blink and then turn the SAMPLER REC/PLAY  
LEVEL(43) counter clockwise until the OVERLOAD INDICATOR(42)  
just goes off.  
HINT:BOOTH OUTPUT (39) is used by some DJs to run monitor  
speakers in the DJ Booth. You can also use it as a second  
ZONE or AMP output.  
NOTE:The RECORD OUT (40) has no level control. The level is  
set by the channel slides and the gain controls of the selected  
5. Tapping the START/STOP(39) button begins the sampling process  
(the SAMPLER INDICATOR(38) will illuminate RED). Tapping the  
START/STOP(39) button a second time ends the sample (the  
SAMPLER INDICATOR(38) will tum off). If you do not tap the START/  
STOP(39) button a second time, the sampling process will stop  
automatically after 12 seconds.  
channel. Tonal qualities are set by the low, mid and high  
controls of that same channel.  
F
7. TALKOVER SECTION:The purpose of the talkover section is to allow  
the program playing to be muted so that the mic can be heard above  
the music. When the TALKOVER (19) button is pushed, the  
TALKOVER INDICATOR (28) will glow and the volume of all sources  
except the Mic or whatever is connected to the PHONO/LINE (36)  
input are reduced by -16 dB.  
SAMPLE PLAYBACK:  
1. Put the MODE SELECTOR(36) switch into the SINGLE or REPEAT  
position.  
8. CUE SECTION:By connecting a set of headphones to the  
HEADPHONE (4) jack, you can monitor any or all of the channels.  
Select the correct CUE (21) button or buttons and their respective  
CUE LED (5) indicators will glow. Use the CUE LEVEL (20) control to  
adjust the headphone volume without effecting the overal mix. By  
sliding the CUE PGM PAN (22) control to the left you will be able to  
monitor the assigned cue signal. Sliding to the right will monitor the  
PGM (program) output.  
2. When the MODE SELECTOR(36) is in the SINGLE or REPEAT mode,  
the SAMPLER REC/PLAY LEVEL(43) control acts as a Sampler Level  
Control.  
3. Tapping the START/STOP(39) button with the MODE SELECTOR(36)  
in the SINGLE position will cause the sampler to playback one time  
(the SAMPLER INDICATOR(38) will illuminate GREEN). Every push of  
the START/STOP(39) button will restart the sample from the  
beginning. Rapid pressing of the START/STOP(39) button will cause  
a stuttering effect. Once the sample has started playback and the  
START/STOP(39) button is not pushed a second time, the sample will  
play to the end and then stop (the SAMPLER INDICATOR(38) will  
illuminate turn off).  
9. DISPLAY:The peak hold, dual function DISPLAY (26) indicates either  
the MASTER (38) output left and right levels or the channel 2 and  
channel 3 levels. You can choose the option you want by pressing  
the DISPLAY (27) button.  
NOTE:When the DISPLAY (27) is in the channel 2/channel  
3 display mode, by adjusting the individual channel gain  
and tone controls, you can increase or decrease the  
signal to match the other channel’s signal. The channel  
slides and crossfader have no effect on the display  
readings.  
4. Tapping the START/STOP(39) button with the MODE SELECTOR(36)  
in the REPEAT position will cause the sample to continuously play  
over and over (the SAMPLER INDICATOR(38) will illuminate GREEN).  
The START/STOP(39) button will act as an on/off switch. The first  
push will start the sample, the second push will stop it.  
F
ROBO PLAY:  
10. The CROSSFADER CURVE SWITCH (31) allows you to adjust the  
kind of curve the crossfader has Move switch to the “sharp” position to  
make the curve steep and cutting (perfect for scratching ). Move  
switch to the “gradual” position to make the curve gradual and gentle.  
The CROSSFADER REVERSE SWITCH (32) allows you to reverse the  
crossfader so that CHANNEL 3 is controlled by the left side of the  
crossfader and CHANNEL 2 is controlled by the right side of the  
crossfader.  
1. With the ROBO PLAY(33) button in the OFF position (the ROBO PLAY  
INDICATOR(34) will be OFF ) and the MODE SELECTOR(36) switch in  
either the SINGLE or REPEAT mode, pressing the START/STOP(39)  
will cause the sample to play along with the signal going through the  
mixer.  
2. When the ROBO PLAY(33) button is in the ON position (the ROBO  
PLAY INDICATOR(34) illuminates RED), starting the sampler mutes the  
signal going through the mixer. When the sample ends, the signal  
automatically turns back on.  
NOTE: When the CROSSFADER REVERSE SWITCH (32) is  
activated, only the crossfader reverses. The Channel  
Slides, Gain, and tonal controls do not reverse.  
PITCH CONTROL:  
The PS-676i comes equipped with a sampler PITCH(35) control. To get a  
perfect sample, set the control to its center position and record the  
sample.  
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SPECIFICATIONS  
INPUTS:  
DJ Mic.......................................................1.5mV 2 kunbalanced  
Phono.............................................................................3mV 47 kΩ  
Line...............................................................................150 mV 27 kΩ  
OUTPUTS:  
Amp/Booth....................................................................0 dB 775mV 400 Ω  
Max...............................................................................24V Peak-to-Peak  
Rec..................................................................................225mV 5 kΩ  
SAMPLER:  
Sampler System.................................................................12 Bit Sampling  
Sample Length ............................................................12 Seconds  
Total Memory Capacity ................................................................1 Mbit  
GENERAL:  
Low .....................................................................+ 12dB/- 32 dB  
Mid ..........................................................................+ 12dB/- 32 dB  
High..................................................................+ 12dB/- 32 dB  
Gain (Mic).......................................................................0 to -40dB  
Gain (Chnls 1-3).......................................................................0 to -20dB  
Frequency Response............................................20Hz - 20kHz +/- 2dB  
Distortion............................................................................less than 0.02%  
S/N Ratio..........................................................................better than 80dB  
Talkover Attenuation........................................................................16dB  
Power Source...................................................115/230V 50/60Hz 15W  
Dimensions................................................254mmW x 305mmD x 112mmH  
10”W x 12”D x 4 7/16”H  
Weight........................................................................................6.5 lbs(3 Kg)  
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In the USA: If you experience problems with this unit,  
call 1 (732) 969-9000 for Gemini Customer Service.  
Do not attempt to return this 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 this product is performed  
by Gemini Sound Products Corp. or its authorized agents.  
Gemini Sound Products Corp. will not accept liability for loss or damage caused  
by maintenance or repair performed 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. 2001 All Rights Reserved  
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