Gemini Musical Instrument KL 10 PRO User Manual

OPERATIONS MANUAL  
Bedienungsanleltung  
Manual de funcionamiento  
Manual de fonctionnement  
Manual del utente  
KL-10 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  
 
LIFT  
46  
 
5. On the rear panel are 2 stereo PHONO/LINE (40, 42) inputs and 2  
stereo LINE (39, 41) inputs. The PHONO/LINE SWITCHES (43, 44)  
enable you to set the (40, 42) inputs to Phono or Line. The phono  
inputs will accept only turntables with a magnetic cartridge. A  
GROUND SCREW (45) 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.  
Introduction  
Congratulations on purchasing the Gemini KL-10 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.  
6. Headphones can be plugged into the front panel mounted  
HEADPHONE (9) jack.  
Features  
7. There are LOOP INPUTS (37) and LOOP OUTPUTS (38) located on  
the rear panel. If you are using an outboard signal enhancer, you can  
use the LOOP OUTPUTS (38) to send the signal to the device and  
the LOOP INPUTS (37) 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 by the accidental touching of the  
loop button.  
Kill Feature for Bass, Mid and High of each channel  
2 Stereo channels  
2 Phono/Line Convertible, 2 Line and 1 Mic inputs  
Combo XLR or 1/4" DJ Mic jack  
Low, Mid, High, Gain and Balance controls on each channel  
Punch In and Punch Out for each channel  
Loop  
Using the Ground Lift Switch  
Master, Booth and Record outputs  
Dual mode display  
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 (46) in  
the bottom position).  
Cautions  
1. All operating instructions should be read before using this equipment.  
2. Then turn the power off before moving the GROUND LIFT  
SWITCH (46). Lift the ground by moving the GROUND LIFT SWITCH  
to the top position, 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.  
2. To 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.  
CAUTION: DO NOT TERMINATE THE AC GROUND ON THE POWER  
MIXER IN ANY WAY. TERMINATION OF THE AC GROUND CAN BE  
HAZARDOUS.  
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.  
Operation  
5. When moving this equipment, it should be placed in its original carton  
and packaging. This will reduce the risk of damage during transit.  
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.  
6. DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.  
7. DO NOT USE ANY SPRAY CLEANER OR LUBRICANT ON ANY  
CONTROLS OR SWITCHES.  
2. CHANNEL I: The GAIN (10), BALANCE (11), HIGH (18), MID (17),  
and LOW (16) controls allow you to fully adjust the selected source.  
Switch # (12) allows you to select either the PHONO 1/LINE 1 (42) or  
the LINE 2 (41) input. The CHANNEL SLIDE (14) controls the output  
level of this channel.  
Connections  
3. CHANNEL II: The GAIN (10), BALANCE (11), HIGH (18), MID (17),  
and LOW (16) controls allow you to fully adjust the selected source.  
Switch # (13) allows you to select either the PHONO 2/LINE 3 (40) or  
the LINE 4 (39) input. The CHANNEL SLIDE (15) controls the output  
level of this channel.  
1. Before plugging in the power cord, make sure that the VOLTAGE  
SELECTOR (33) switch is set to the correct voltage.  
NOTE: This product is double insulated and not intended to  
be grounded.  
4. CROSSFADER SECTION: The CROSSFADER (19) allows the  
mixing of one source into another. The left side of the CROSSFADER  
(19) is channel I and the right side is channel II. The CROSSFADER  
(19) in your unit is removable and if the need arises can be easily  
replaced. Crossfader units are available in 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:  
2. Make sure that the POWER (1) switch is in the off position. The  
POWER LED (2) will be off.  
3. The KL-10 PRO is supplied with 3 sets of output jacks. The OUTPUT  
AMP (34) jacks are used to connect to your main amplifier. The  
OUTPUT REC (36) jacks can be used to connect the mixer to the  
record input of your recorder enabling you to record your mix. The  
OUTPUT BOOTH (35) jacks allow you to hook up an additional  
amplifier.  
4. The DJ MIC (3) input (found on the front panel) accepts a 1/4" or XLR  
connector and balanced and unbalanced microphones.  
Page 3  
 
1. Unscrew the outside FADER PLATE SCREWS (B). Do  
not touch the INSIDE SCREWS (C).  
12. DISPLAY: The dual function DISPLAY (31) indicates either the  
MASTER OUTPUT (34) left and right levels or the channel I and  
channel II levels. You can choose the option you want by pressing the  
DISPLAY (32) button.  
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.  
NOTE: When the DISPLAY (31) is in the channel I/channel II  
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. Screw the fader to the mixer.  
Specifications  
INPUTS:  
DJ Mic....................................................1.5mV 2Kohm balanced  
Phono.........................................................................3mV 47Kohm  
Line.......................................................................150 mV 27Kohm  
OUTPUTS:  
5. KILLING FREQUENCIES: There are two ways to kill frequencies,  
using the LOW, MID and HIGH KILL SWITCHES (20, 21, 22) and  
using the LOW, MID and HIGH ROTARY CONTROLS (16, 17, 18).  
When the selected KILL SWITCH is activated the LED will light and  
the frequency will be killed. When the selected ROTARY CONTROL  
is turned all the way to the left, the frequency will be killed. You can  
also use the ROTARY CONTROLS to boost frequencies up to +12  
dB. The normal setting for the ROTARY CONTROLS is zero.  
Amp/Booth......................................................0 dB 1V 400ohm  
Max..............................24V Peak to Peak  
Rec...........................................................................225mV 5Kohm  
MIC:  
SUGGESTION: You can use the Kill Features on each channel to  
remove Low, Mid and/or High bands for a smoother mix and mix  
frequencies from both channels to create special effects.  
Bass......................................................................................± 12dB  
High.......................................................................................± 12dB  
GENERAL:  
6. PUNCH IN: The PUNCH IN BUTTON (23) allows you to add a  
channel’s signal to the mix when the crossfader is set to the opposite  
channel.  
Bass (Channels I - II)........................................................+ 12dB/Kill  
Mid (Channels I - II).........................................................+ 12dB/Kill  
Treble (Channels I - II).....................................................+ 12dB/Kill  
Gain (Channels I - II)...........................................................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...........................................10”w x 4 5/8”h x 14”d  
Weight........................................................................8.3 lbs.  
7. PUNCH OUT: The PUNCH OUT BUTTON (24) allows you to remove  
a channel’s signal from the mix when the crossfader is set to that  
channel.  
SUGGESTION: Keep the crossfader in the center and use the  
punch in and punch out of both channels together to create scratch  
type effects.  
8. LOOP SECTION: To activate loop, press the LOOP BUTTON (25)  
and the LOOP LED (26) will light. When the LOOP LED is lit, any  
device connected to the LOOP OUTPUT (38) and INPUT (37) jacks  
will be inserted into the signal path.  
9. OUTPUT CONTROL SECTION: The level of the AMP OUT (34) is  
controlled by the MASTER (27) control. The BOOTH (28) control  
adjusts the level of the BOOTH OUTPUT (35). 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 (36) 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  
bass, treble and mid controls of that same channel.  
10. 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 (4) has three settings.  
When the MIC/TALKOVER SWITCH (4) is in the bottom position, the  
mic and talkover are both off. When the MIC/TALKOVER SWITCH  
(4) is in the center position the mic is on, the MIC INDICATOR (5) will  
glow, but talkover is off. When the MIC/TALKOVER SWITCH (4) is in  
the top position, the mic and talkover will be on and the volume of all  
sources except the Mic input are lowered by 16 dB. The TREBLE (6),  
BASS (7), and LEVEL (8) controls allow you to fully adjust the mic  
signal.  
11. CUE SECTION: By connecting a set of headphones to the  
HEADPHONE (9) jack, you can monitor either channel or both. Select  
the Channel I by sliding the CUE SLIDER (29) control to the left or  
Channel II by sliding the CUE SLIDER (29) control to the right. Use  
the CUE LEVEL (30) control to adjust the headphone volume without  
effecting the overall mix.  
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  
Tel (732) 969-9000 • Fax (732) 969-9090  
France • G.S.L. France • 11, Avenue Leon Harmel, Z.I. Antony, 92160 Antony, France  
Tel 011-331-5559-0470 • Fax 011-331-5559-0485  
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. 1999  
All Rights Reserved  
 

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