Gemini PS-700 Pro, PS-700 Pro e User Manual

OPERATIONS MANUAL

Bedienungsanleltung
Manual de funcionamiento
Manual de fonctionnement
Manual del utente

PS-700 PRO

PROFESSIONAL STEREO PREAMP MIXER

Professionneller Stereo Vorverstärkermischpult
Mezclador-preamplificador estereofónico para el profesional
Mélangeur-préamplificateur stéréophonique pour le professionnel
Miscelatore-preamplificatore stereofonico per il professionale

30

36

31

32

26

9

8

27

10

33

28

18

11

34

35

29

25

24

23

19

22

23

9

8

8

9

8

9

1

11

10

10

10

2

16

23

11

14

23

12

11

3

4

17

21

15

20

13

6

5

7

Page 1

Page 2

58

GROUND LIFT

LIFT

57

37

38

38

39394040414142424343444445

45

464647

55 56

47

494950

50

525253

53

48 51 54

Introduction

Congratulations on purchasing the Gemini PS-700 PRO 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.

Features

• 4 Stereo Channels

• State of the Art Cue Section

• 3 Phono/Line Convertible, 5 Line, and 3 Mic Inputs

• Cut Feature for Bass, Mid and High for each channel

• Gain, High, Mid and Bass tone controls for each channel

• T alkover

• Loop

• Balanced and Unbalanced Master Outputs

• Booth and Record outputs

• Dual mode display

Cautions

1. All operating instructions should be read before using this equipment.

2. T o reduce the risk of electrical shock, do not open the unit. There are NO USER
REPLACEABLE PARTS INSIDE. Please refer servicing to a qualified service
technician.

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.

3. Do not expose this unit to direct sunlight or to a heat source such as a radiator or
stove.

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.

6. DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.

7. DO NOT USE ANY SPRAY CLEANER OR LUBRICANT ON ANY CONTROLS
OR SWITCHES.

Connections

1. Before plugging in the power cord, make sure that the VOLT AGE SELECTOR
(37) switch is set to the correct voltage.

NOTE: This product is double insulated and not intended to be

grounded.

2. Make sure that the POWER (31) switch is in the off position. The POWER LED
(32) will be off.

3. The PS-700 PRO is supplied with 4 sets of amp output jacks. The BALANCED
OUTPUT (38) jacks are used to connect to your main amplifier using standard

XLR cables. We recommend using the balanced amp outputs if the cables to
your amp are 25 feet or more. BALANCED OUTPUTS have three separate
conductors, two of which are signal (positive and negative) and one shield
(ground). Pin 1 is ground (shield). Pin 2 is signal hot (positive). Pin 3 is signal
cold (negative). The MAIN OUTPUT (39) jacks are unbalanced and used to
connect to your main amplifier. The REC OUTPUT (41) jacks can be used to
connect the mixer to the record input of your recorder enabling you to record
your mix. The BOOTH OUTPUT (40) jacks allow you to hook up an additional
amplifier.

4. The MIC 1 (1) input (found on the front panel) accepts a 1/4" or XLR connector.
The MIC 2 (56) input and the MIC 3 (55) input (found on the rear panel) accept
1/4" connectors. All accept balanced and unbalanced microphones.

5. On the rear panel are 3 stereo PHONO/LINE (47, 50, 53) inputs and 5 stereo
LINE (44, 45, 46, 49, 52) inputs. The PHONO/LINE SWITCH (48) enables you
to set the (47) input to Phono or Line. The PHONO/LINE SWITCH (51) enables
you to set the (50) input to Phono or Line. The PHONO/LINE SWITCH (54)
enables you to set the (53) input to Phono or Line. The phono inputs will accept
only turntables with a magnetic cartridge. A GROUND SCREW (57) 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.

6. Headphones can be plugged into the front panel mounted HEADPHONE (36)
jack.

7. The PS-700 PRO comes with a front panel BNC LIGHT (30) jack. This jack is
for use with a gooseneck light like the Gemini GNL-700.

8. There are LOOP INPUTS (43) and LOOP OUTPUTS (42) located on the rear
panel. If you are using an outboard signal enhancer, you can use the LOOP
OUTPUTS (42) to send the signal to the device and the LOOP INPUTS (43) to
bring the signal back in to the mixer. The unit comes with jumpers to be used
with the loop inputs and outputs. Keep the jumpers in the unit if you are not using
the loop to prevent interruptions in your music program.

Using the Ground Lift Switch

Depending on your system configuration, sometimes applying the ground will create
a quieter signal path. Sometimes lifting the ground can eliminate ground loops and
hum to create a quieter signal path.

1. With the mixer on, listen to the system in idle mode (no signal present) with the
ground applied (the GROUND LIFT SWITCH (58) in the left position).

2. Then turn the power off before moving the GROUND LIFT SWITCH (58). Lift
the ground by moving the GROUND LIFT SWITCH to the right, turn the power
back on and listen to determine which position will provide a signal devoid of
background noise and hum. Keep the GROUND LIFT SWITCH in the ground
position if the noise level remains the same in either position.

CAUTION: DO NOT TERMINATE THE AC GROUND ON THE POWER MIXER IN
ANY WA Y. 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 (31). The power will turn on and the POWER LED
(32) will glow RED.

2. CHANNEL 1: The GAIN (8), HIGH (9), MID (10), and LOW (1 1) controls allow
you to fully adjust the selected source. Switch # (12) allows you to select the
PHONO 1/LINE 1 (53) or the LINE 2 (52) input. The CHANNEL SLIDE (13)
controls the input level of this channel.

3. CHANNEL 2: The GAIN (8), HIGH (9), MID (10), and LOW (1 1) controls allow
you to fully adjust the selected source. Switch # (14) allows you to select the
PHONO 2/LINE 3 (50) or the LINE 4 (49) input. The CHANNEL SLIDE (15)
controls the input level of this channel.

4. CHANNEL 3: The GAIN (8), HIGH (9), MID (10), and LOW (1 1) controls allow
you to fully adjust the selected source. Switch # (16) allows you to select the
PHONO 3/LINE 5 (47) or the LINE 6 (46) input. The CHANNEL SLIDE (17)
controls the input level of this channel.

5. CHANNEL 4: The GAIN (8), HIGH (9), MID (10), and LOW (1 1) controls allow
you to fully adjust the selected source. Switch # (18) allows you to select the
LINE 7 (45), LINE 8 (44) or the MIC 3 (55) input. The CHANNEL SLIDE (19)
controls the input level of this channel.

NOTE: There is Low, Mid and High equalization for each channel

with an extremely wide range of adjustment.

SUGGESTION: You can use the Cut Features on each channel to remove Low,
Mid and/or High to create special effects.

6. CROSSFADER SECTION: The CROSSF ADER (21) allows the mixing of one
source into another. The PS-700 PRO features an assignable crossfader . The
ASSIGN (20, 22) switches allow you to select which channel will play through
each side of the crossfader. The ASSIGN (20) switch has 5 settings (OFF, 1, 2, 3
or 4) and allows you to select channel 1, 2, 3 or 4 to play through the left side of
the crossfader. The ASSIGN (22) switch has 5 settings (OFF, 1, 2, 3 or 4) and
allows you to select channel 1, 2, 3 or 4 to play through the right side of the
crossfader. With the ASSIGN switch in the off position, that side of the
crossfader will be inactive. The CROSSFADER (21) in your unit is removable
and if the need arises can be easily replaced. Crossfader units are available in

Page 3

three varieties. Part # RF-45 (which is identical to the crossfader supplied with
the mixer) has a 45 mm travel from side to side. Part # RF-30 is available with a
30 mm travel distance. Also available is the PSF-45 with a special curve
designed for scratch mixing. Just purchase one of these crossfader units from
your Gemini dealer and follow these instructions:

1. Unscrew the outside FADER PLATE SCREWS (B). Do not touch
the INSIDE SCREWS (C).

2. Carefully lift the fader and unplug the CABLE (D).

3. Plug the new fader into the cable and place it back in the mixer.

4. Screw the fader to the mixer.

7. LOOP SECTION: Removing the jumpers from the LOOP OUTPUT (42) and

INPUT (43) jacks will activate the loop. Any device connected to the LOOP
OUTPUT (42) and INPUT (43) jacks will be inserted into the signal path.

8. OUTPUT CONTROL SECTION: The level of the AMP OUT (38, 39) is controlled
by the MASTER (29) slide. Activating the MONO (27) button (the mono LED will
light) makes the overall output mono. The BOOTH (26) control adjusts the level
of the BOOTH OUTPUT (40). HINT : The booth output is used by some DJs to
run monitor speakers in their DJ booth. You can also use it as a second ZONE
or AMP output.

NOTE: The RECORD OUT (41) has no level control. The level is set

by the channel slides and the gain controls of the selected

channel. The tonal qualities are set by the low, mid and high

controls of that same channel.

9. 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. The
MIC/TALKOVER SWITCH (7) controls MIC 1 and MIC 2 and has three settings.
When the MIC/TALKOVER SWITCH (7) is in the bottom position, MIC 1 and
MIC 2 and talkover are off. When the MIC/TALKOVER SWITCH (7) is in the
center position MIC 1 and MIC 2 are on, the MIC INDICATOR (6) will glow , but
talkover is off. When the MIC/TALKOVER SWITCH (7) is in the top position,
MIC 1 and MIC 2 and talkover will be on and the volume of all sources except
the Mic inputs are lowered by 16 dB. The TREBLE (2) and BASS (3) controls
allow you to fully adjust the tone of MIC 1 and MIC 2. MIC 1 LEVEL (5) controls
the level of MIC 1. The MIC 2 LEVEL (4) controls the level of MIC 2.

10. CUE SECTION: By connecting a set of headphones to the HEADPHONE (36)
jack, you can monitor any or all of the channels. Press the CUE ASSIGN (23)
buttons for channels 1 - 4 to select the channel or channels to be monitored and
their respective LED indicators will glow. Use the CUE LEVEL (33) control to
adjust the cue volume without effecting the overall mix. By moving the CUE
PGM PAN (35) control to the left you will be able to monitor the assigned cue
signal. Moving the control to the right will monitor the PGM (program) output.
Use the CUE SPLIT (34) button to split the signals from cue and program so that
cue will be heard in one earphone and program will be heard in the other
earphone.

1 1 . DISPLAY: The peak hold, dual function DISPLAY (24) indicates either the

MASTER (38, 39) output left and right levels OR the the selected cue and
program (premaster output) levels. You can choose the option you want by
pressing the DISPLAY (25) button.

NOTE: When the DISPLAY (24) is in the cue/program mode, by

adjusting GAIN (8), you can increase or decrease the signal to

match the other channels signal.

Specifications

INPUTS:

DJ Mic.......................................................................1.5mV 2Kohm balanced

Phono............................................................................................3mV 47Kohm

Line..........................................................................................150 mV 27Kohm

OUTPUTS:

Amp/Booth.........................................................................0 dB 1V 400ohm

Max..............................20V Peak to Peak

Rec..............................................................................................225mV 5Kohm

MIC 1 & MIC 2:

DJ Mic.......................................................................1.5mV 2Kohm balanced

Bass.........................................................................................................± 12dB

High.........................................................................................................± 12dB

MIC 3:

DJ Mic.......................................................................1.5mV 2Kohm balanced

Controls............................................................................................Channel 4

GENERAL:

Bass (Chnls 1-4).........................................................................+ 12dB/- 32 dB

Mid (Chnls 1-4)...........................................................................+ 12dB/- 32 dB

Treble (Chnls 1-4)........................................................................+ 12dB/- 32 dB

Gain (Chnls 1-4).................................................................................0 to -20dB

Frequency Response.......................................................20Hz - 20KHz +/- 2dB

Distortion...................................................................................................0.02%

S/N Ratio..................................................................................better than 80dB

Talkover Attenuation.................................................................................-16dB

Headphone Impedance............................................................................16ohm

Power Source................................................................115/230V 50/60Hz 10W

Dimensions.............................................................................19”w x 4”h x 9”d

Weight...........................................................................................10.17 lbs

Page 4

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

T el [phone] • Fax [phone]

France • G.S.L. France • 1 1, Avenue Leon Harmel, Z.I. Antony , 92160 Antony , France

T el 01 1-331-5559-0470 • Fax [phone]

Germany • Gemini Sound Products GmbH • Ottostrasse 6, 85757 Karlsfeld, Germany

T el: 08131 - 39171-0 • Fax: 08131 - 39171-9

UK • Gemini Sound Products • Unit C4 Hazleton Industrial Estate, Waterlooville, UK P08 9JU

T el: 01 1-44-170-5591-771 • Fax: [phone]

Spain • Gemini Sound Products S.A. • Mino, 1 12, Nave 1, 08223 Terrassa, Barcelona, Spain

T el: 01 1-34-93-736-34-00 • Fax: [phone]

© Gemini Sound Products Corp. 1999 All Rights Reserved