Gemini Turntable PT 2000 User Manual

GEMINI  
PT-2000  
HIGH-TORQUE  
DIRECT-DRIVE  
QUARTZ-LOCK  
PROFESSIONAL  
TURNTABLE  
INSTRUCTION MANUAL  
Page 1  
 
Figure 3A  
Figure 2  
Figure 3B  
Page 3  
 
Introduction  
Assembly and Set-Up  
Congratulations on purchasing a Gemini PT-2000 high-torque  
professional turntable. This state of the art turntable includes the  
latest features in modern direct drive turntable technology. Prior to  
use, we suggest that you carefully read all the instructions.  
NOTE: SEE FIG. 1 ( PAGE 1 ) FOR PART NUMBERS AND  
LOCATIONS.  
TURNTABLE PLATTER INSTALLATION:  
Set the TURNTABLE BASE (1) on a flat, level surface. After  
checking to ensure that all packing materials have been removed,  
gently place the PLATTER (2) on the center spindle of the  
TURNTABLE BASE (1). Put the RUBBER MAT (3) on the  
PLATTER (2).  
Features  
• Quartz locked speed  
• +/- 10% Pitch control  
• Fully electronic braking for quick stops  
• Strobe illuminator  
CARTRIDGE INSTALLATION:  
(SEE FIG. 2)  
Because all cartridges have their own designs, please refer to  
your particular cartridge’s instructions to insure proper installation.  
1. Connect the lead wires to the cartridge terminals. For your  
convenience, the terminals of most cartridges are color coded.  
Connect each lead wire to the terminal of the same color.  
Soft-touch start/stop switch  
White (L+).................Left Channel +  
Precautions  
Blue (L-)...................Left Channel  
-
Red (R+)....................Right Channel +  
Green (R-).................Right Channel -  
1. Read all operating instructions before using this equipment.  
2. To reduce the risk of electrical shock, do not open the  
unit. There are NO USER REPLACEABLE PARTS INSIDE.  
Please contact the Gemini Service Department or your  
authorized dealer to speak to a qualified service technician.  
2. Mount the cartridge in the HEADSHELL (4) and tighten it with  
the screws included with the cartridge.  
ATTENTIONSTANTON680CARTRIDGEUSERS  
3. Tone Arm bearings are factory set and sealed. Any attempt at  
adjustment will void the warranty.  
When using a Stanton 680 or similar cartridge, where  
the body is grounded to a cartridge terminal, remove  
the grounding strap from the cartridge body to the  
cartridge ground terminal. Failure to do this may result  
in excessive hum.  
4. Be sure that all AC power is OFF while making connections.  
5. Cables should be low capacitance, shielded and of proper  
length. Make sure that all plugs and jacks are tight and properly  
connected.  
6. Always begin with the audio level faders/volume controls set  
at minimum and the speaker volume control(s) set to OFF. Wait  
8 to 10 seconds prior to turning up the speaker volume to  
prevent the transient “POP” that could result in speaker/  
crossover damage.  
HEADSHELL INSTALLATION:  
Insert the HEADSHELL (4) into the front of the tubular TONE ARM  
(5). While holding the HEADSHELL (4) firmly in a horizontal  
position, turn the LOCKING NUT (6) clockwise until the  
HEADSHELL (4) is locked in place.  
7. DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.  
COUNTERWEIGHT INSTALLATION:  
(SEE FIG. 3A & 3B)  
8. DO NOT USE ANY SPRAY CLEANER OR LUBRICANT ON ANY  
CONTROLS OR SWITCHES.  
1. Slide the COUNTERWEIGHT (7) onto the rear of the TONE  
ARM (5).  
Parts Checklist  
2. Twist the COUNTERWEIGHT (7) lightly counterclockwise, to  
screw it onto the rear of the TONE ARM (5).  
Turntable unit.................................................................................1  
Dust cover hinge............................................................................2  
Turntable platter.............................................................................1  
45 rpm adaptor...............................................................................1  
Rubber mat....................................................................................1  
Counter balance.............................................................................1  
Dust cover......................................................................................1  
Headshell.......................................................................................1  
ADJUSTING HORIZONTAL ZERO (0)  
BALANCE AND STYLUS PRESSURE:  
1. Without touching the stylus tip, remove the stylus protector (if  
your cartridge has a detachable one).  
2. Release the ARM CLAMP (8) and lift the TONE ARM (5) off  
the ARM REST (9).  
3. Counter clockwise advancement of the COUNTERWEIGHT (7)  
will cause the cartridge side of the TONE ARM (5) to be  
lowered. Clockwise will cause the opposite. Turn the COUN-  
TERWEIGHT clockwise or counter clockwise as needed until  
the TONE ARM is balanced horizontally. You can easily tell this  
by watching for the point where the TONE ARM “floats” freely.  
Page 4  
 
4. Place TONE ARM (5) on ARM REST (9) and lock it in place  
with the ARM CLAMP (8).  
3. Keep the unit away from direct exposure to the sun, heat,  
moisture or dirt.  
5. With the TONE ARM (5) locked on the ARM REST (9), hold the  
COUNTERWEIGHT (7) steady with one hand while rotating the  
STYLUS PRESSURE RING (10) until the numeral “0” on the ring  
aligns with the center line on the TONE ARM (5) rear shaft.  
The horizontal zero (0) balance should be completed.  
4. Keep the unit well ventilated.  
CONNECTIONS:  
1. Plug the AC power plug into an appropriate outlet.  
6. Refloat the TONE ARM to ensure horizontal zero (0) balance.  
If zero balance has not been maintained, repeat counterweight  
steps 3 - 5.  
2. See Table B for proper connection of the output RCA plugs and  
ground connector. Make sure that all the plugs are firmly  
plugged into the appropriate jacks. To reduce hum, make sure  
the ground lug is firmly connected to the ground screw.  
7. After adjusting the horizontal zero (0) balance, turn the  
balanced COUNTERWEIGHT (7) counter clockwise until the  
cartridge manufacturer’s recommend stylus pressure appears  
on the STYLUS PRESSURE RING (10) where it meets the  
center line of the TONE ARM (5) rear shaft.  
TABLEB  
MIXER OR  
RECEIVER  
OUTPUT CONNECTORS  
L (WHITE)  
R (RED)  
PHONO L CHANNEL  
PHONO R CHANNEL  
GND Screw  
ADJUSTING THE ANTI-SKATING  
CONTROL:  
GND (Spade Lug)  
Set the ANTI-SKATING CONTROL (11) to the same value as the  
stylus pressure.  
Operating Instructions  
ADJUSTING TONE ARM HEIGHT:  
BASIC OPERATION:  
The tone arm height is adjustable between 0 and 6 mm. A HEIGHT  
SCALE (13) (in 0.5 mm increments) is provided to aid in an  
accurate setting.  
1. Place a record on the RUBBER MAT (3) which sits on the  
PLATTER (2).  
1. Unlock the tone arm by turning the ARM LOCK (14) knob  
2. Select the desired speed by depressing the 33 or 45 SPEED  
SELECTOR BUTTON (17).  
away from the lock position.  
2. Look up the cartridge height on Table A and find its  
corresponding height scale reading.  
3. Turn the POWER SWITCH (15) to the “ON” position, at which  
point the strobe illuminator (built into the POWER SWITCH (15)  
and the speed indicator (for the selected speed) will illuminate.  
3. Turn the HEIGHT ADJUSTMENT RING (12) until the reference  
line on the ring is positioned at the correct scale reading.  
4. Remove the stylus protector (if applicable to your cartridge).  
4. Lock the tone arm by turning the ARM LOCK (14) knob  
5. Release the ARM CLAMP (8) found on the ARM REST (9).  
clockwise until it reaches the lock position.  
6. Push the START STOP BUTTON (16). The turntable PLATTER  
(2) will start to spin.  
TABLE A  
SCALE READING  
CARTRIDGE HEIGHT  
(mm)  
7. Push the CUE LEVER (18) to the “UP” position.  
8. Position the tone arm over the desired position on the record  
and push the CUE LEVER to the “DOWN” position. The TONE  
ARM (5) will slowly lower onto the record at which time play  
will begin.  
15  
16  
17  
18  
19  
20  
21  
0
1
2
3
4
5
6
9. When play is over, raise the TONE ARM (5), move it to the  
ARM REST (9), and secure it with the ARM CLAMP (8).  
10.You now have the option of turning off the power by turning  
the POWER SWITCH (15) to the “OFF” position, or stopping  
the PLATTER (2) by pushing the START STOP BUTTON (16)  
and engaging the electronic brake.  
For example, if the height of the cartridge is 18.5 mm, the ARM  
HEIGHT ADJUSTMENT RING (12) reference line should be  
positioned between 3 and 4 on the HEIGHT SCALE (13).  
INTERRUPTING PLAY:  
1. Pushing the CUE LEVER (18) to the “UP” position will cause  
the TONE ARM (5) to lift stopping play.  
INSTALLING THE DUSTCOVER:  
2. Pushing the CUE LEVER (18) to the “DOWN” position will  
cause the TONE ARM (5) to slowly lower onto the record at  
the point where play was interrupted.  
1. Hold the dustcover in position, directly above the turntable, and  
slide the hinge bases into the holders mounted on the rear  
panel.  
2. Always raise the dustcover before removal.  
PLAYING 45 RPM RECORDS:  
3. Avoid opening and closing the dustcover during play.  
Undesirable vibration and stylus skipping can result.  
1. When playing a 45 rpm record with a large center hole, first  
place the 45 ADAPTOR (19) on the center spindle.  
2. Be sure that the 45 SPEED SELECTOR BUTTON (17) is  
UNIT PLACEMENT:  
pushed and the 45 speed indicator is illuminated.  
1. Place unit on a flat, vibration free surface. Use the turntable  
feet to horizontally stabilize the unit.  
2. Try to place the unit as far away from the speakers as  
possible.  
Page 5  
 
TARGET LIGHT:  
Specifications  
1. Push the TARGET LIGHT SWITCH (20) firmly and the  
TARGET LIGHT (21) will raise into position and illuminate the  
stylus tip.  
TURNTABLE SECTION:  
Type......................................Quartz Direct Drive Manual Turntable  
Drive Method.................................................................Direct Drive  
Motor........................................................Brushless DC Motor 18V  
Platter...............................Aluminum Diecast 11 ½” (332mm) Dia.  
Weight.................2 lbs. (0.9 Kg)  
2. To lower the TARGET LIGHT, push down on it until it locks in  
the casing.  
3. When not being used, the TARGET LIGHT should be kept in  
the lowered position.  
XLR LAMP ADAPTOR:  
Speed..................................................................33 1/3 or 45 RPM  
Starting Torque................................................1.5 Kg/cm (1.3 lb/in)  
Build-up Characteristics................0.6 sec. standstill to 33 1/3 RPM  
Braking System......................................................Electronic Brake  
Wow and Flutter.......................................................0.01% WRMS*  
1. Plug a gooseneck light with an XLR base, like the GEMINI GNL-  
500, into the XLR LAMP ADAPTOR (22).  
2. When the power is turned on, the light will illuminate.  
ADJUSTING THE PITCH CONTROL:  
* This rating refers to the turntable assembly and platter only and  
excludes effects of records, cartridges or tonearms.  
1. The PT-2000 is equipped with PITCH CONTROL (23) and  
QUARTZ LOCK (25). When the QUARTZ LOCK is activated,  
the PITCH LED (24) lights GREEN, and the speed will be  
exactly 33 1/3 or 45 RPM depending on which SPEED  
SELECTOR BUTTON (17) is pushed. PITCH CONTROL  
automatically disengages when QUARTZ LOCK is activated.  
Rumble..............................................................78 dB (IEC 98A WTD)  
TONEARM SECTION:  
Type.............................................Universal S-Shaped Tubular Arm  
Effective Length.................................................9 1/16” (230.1 mm)  
Arm Height Adjust Range..................................................0 - 6 mm  
Overhang..............................................................19/32" (15.2 mm)  
Effective Mass..............................................9 g (Without Cartridge)  
Offset Angle...............................................................................22°  
Friction........................................Less Than 7 mg (Lateral, Vertical)  
Tracking Error Angle.....Within 2°32' at the outer groove and within  
0°32' at the inner groove of a 30 cm (12") record  
2. When the QUARTZ LOCK is off, you can adjust the PITCH  
CONTROL(23). When you move PITCH CONTROL (23) off  
center, the pitch can vary +/- 10% depending on the position of  
the PITCH CONTROL.  
3. Push the QUARTZ LOCK (25) button to bring the speed back  
to exactly 33 1/3 or 45 RPM when the PITCH CONTROL (23)  
is positioned off center. Disengaging the QUARTZ LOCK (25)  
will bring the platter speed back to the original pitch setting.  
4. The PLATTER (2) is equipped with a STROBE RPM  
INDICATOR STRIP (26) and the POWER SWITCH (15)  
contains built in STROBE LIGHTS (27). When the PLATTER  
(2) is spinning, the STROBE LIGHTS illuminate the STROBE  
RPM INDICATOR STRIP (26). The bottom row of dots will  
appear to be stationary when the speed of the platter is  
exactly 45 RPM. The second row from the bottom will appear  
to be stationary at 33 1/3 RPM.  
Stylus Pressure Adjust Range............................................0 - 2.5 g  
Applicable Cartridge Weight Range.....................................6 - 10 g  
Headshell Weight.....................................................................5.6 g  
GENERAL:  
Power Supply.................................................................115V 60Hz  
or  
Power Supply.................................................................230V 50Hz  
Power Consumption...........................................................15 Watts  
Dimensions..........................................................17 ½” x 6 1/4" x 14"  
444.5mm x 158.75mm x 355.6mm  
ARM-LIFT HEIGHT ADJUSTMENT:  
If the pre-adjusted distance that the CUE LEVER (18) raises the  
stylus off the record surface is inadequate, it can be adjusted by  
turning the ARM-LIFT HEIGHT ADJUSTMENT SCREW (28) while  
simultaneously pushing down on the TONE ARM (5). Clockwise  
rotation of the screw will decrease the distance and  
Weight..................................................................25 lbs. (11.34 Kg)  
counterclockwise rotation will increase the distance.  
Specifications are subject to change without notice. The weight and  
dimensions shown are approximate.  
Page 6  
 
In the USA: If you experience problems with this unit,  
call 1-732-738-9003 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 transmit-  
ted, 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 • 120 Clover Place, Edison, NJ 08818 • USA  
Tel: (732) 738-9003 • Fax: (732) 738-9006  
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  
Page 7  
 

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