Gemini P-700 User manual

SERVICE MANUAL
P-700
PRPR
PRPR
PROFESSIONOFESSION
OFESSIONOFESSION
OFESSIONALAL
ALAL
AL AMPLIFIERAMPLIFIER
AMPLIFIERAMPLIFIER
AMPLIFIER
Features, Operating Instructions…………….. Page 2
Specifications……………………………………. Page 4
Troubleshooting…………………………………. Page 5
Diagrams………………………………………….. Page 6
Parts List………………………………………….. Page 8
Schematics……………………………………….. Page 11

introduction
Congratulations on purchasing this Gemini
P-700 Power Amplifier! You’ve made a really
wise choice because this state-of-the-art amplifier
has the latest features and technology and is
backed by a three-year warranty! We know
you’re anxious to hook everything up and start
mixing beats and cranking up the volume on
those hot dance tracks, but we suggest reading
this instruction manual first as there are some
really cool features on this amplifier that we
wouldn’t want you to miss!
features
• State-of-the-art circuitry for the finest sound
quality and reliability
• High output power to drive professional
speakers without clipping but also tame
enough for home use
• Protection Circuitry (short circuit, thermal cut-
off, sub/ultrasonic frequency filters, turn-on
delay, main fuse, secondary fuses)
• Unbalanced stereo inputs with RCA type jacks
• Ground lift switch for achieving the quietest
possible operation
• Large blue-light illuminated VU meters to
give you greater control… and they look really
cool
• Ultra-modern design with professional 19”
rack mounts.
• Front-to-rear airflow with variable speed fan
control for maximum cooling and quietest
possible operation.
• Variable speed fan for quieter operation with
softer music and home use.
• Compact 2U well balanced enclosure
• Steel reinforced chassis construction for
durability and longevity.
Common sense
Some of these things go without saying, but we’re
going to say them anyway!
• Read all operating instructions before
using this equipment.
• To reduce the risk of electrical shock,
do not open the unit. There are NO USER
REPLACEABLE PARTS INSIDE. For all repairs
or service questions please contact the Gemini
Service Department or your authorized dealer to
speak to a qualified Gemini Sound Products
technician.
• Be sure to allow adequate front and
rear ventilation to avoid possible heat damage to
your equipment.
• Be sure that AC power is OFF and all
level controls are set to MINIMUM before making
connections. This will eliminate any chance of
unexpected loud buzzes, pops or clicks that could
damage your speakers.
• DO NOT EXPOSE THIS UNIT TO RAIN
OR MOISTURE.
• Operators of electronic equipment should
never be in contact with water
• Keep your power amplifier grounded for
maximum safety by always using a 3-prong plug.
If you are using an extension cord, always use a
3-prong cord as well.
• DO NOT USE ANY SPRAY CLEANER OR
LUBRICANT ON ANY CONTROLS OR
SWITCHES.

hook it up
Okay, let’s get connected!
REAR PANEL
Input Section:
Input Jacks (1) Your amplifier has unbalanced
stereo RCA type jacks, with the tip of the jack
being positive (+) and the sleeve part being
negative (-)/ground.
Connect the output of your mixer here.
Output Section:
Disconnect unit from the AC power source before
making any connections. Pay close attention to
polarity when connecting your speakers.
(Connect the positive wire to the red terminal and
the negative wire to the black terminal).
Connecting your speakers using the wrong
polarity will not damage your speakers, but
will impact the quality of the sound (lack of bass
and incorrect stereo image).
Speaker Outputs (3): the speaker output
connectors are terminals that will accept a
standard banana plug, or bare wire.
Make sure that all the connections are clean
when using bare wire connections. If any strands
of wire from one connector touch the connector
next to it, the sound will distort, and your amplifier
will overheat.
✰NOTE: Total speaker impedance must not
be lower than 4Ω(Ohm) per channel
AC Power Section:
•Fuse (4): replace with proper type and rating.
•AC Inlet (6) is used to attach the power cord to
the unit.
•AC line voltage switch (5) allows reconfiguring
amplifier for either 110-120 V or 220-240 V AC
lines.
•Ground Lift Switch (2) is used to lift the ground
from the chassis. (See the Ground Lift Switch
Instructions for more detail.)
FRONT PANEL
•Power Switch (10): turns the unit on and off.
•Power LED (9): the power LED lights when the
power is on. If the power LED does not light, refer
to the trouble-shooting guide.
•Level Controls (7): control the input levels for
each channel.
•Large blue-light illuminated VU meters (8)
display the output level of each channel.
operation
Stereo Operation
The unit has two channels for stereo operation.
Each channel provides a separate signal at the
speaker outputs. The following instructions are
for use with 4Ωor 8Ωspeakers of matched
power ratings.
1. With the power OFF, connect your input
cables to the Channel A and Channel B inputs
using the RCA INPUT JACKS (1)
2. Connect your speakers to the Channel A and
Channel B SPEAKER OUTPUTS (3). (The total
speaker load must be at least 4
Ω
per channel.)
3. With the LEVEL CONTROLS (7) of both
channels set to zero (fully counterclockwise), turn
the POWER SWITCH (10) ON. Okay, now try
playing some music and/or talking into your
microphone, and set the level of your input as
high as you think you’ll need it. This way it will be
as high above the amplifier’s noise floor as
possible so you’ll get the best possible sound
with the least amount of noise.
4. Now adjust your LEVEL CONTROLS for each
channel to your desired listening level. You also
have the choice of keeping the volume of both
speakers equal, or for certain situations you can
adjust the volume so one side will be louder than
the other.

Using the Ground Lift Switch
Depending on how your sound system is hooked
up, sometimes applying the ground will create a
quieter signal path. Sometimes lifting the ground
can eliminate ground loops and that annoying
hum to give you quieter and cleaner overall
sound.
1. With the power amp ON, listen to the system in
idle mode (no music or signal) with the ground
ON. The GROUND LIFT SWITCH (3) will be in
the left position.
2. Turn the power OFF before moving the
GROUND LIFT SWITCH (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 makes the overall
sound quieter with the least amount of noise and
hum.
✰CAUTION: DO NOT DISCONNECT THE AC
GROUND ON THE POWER AMPLIFIER IN ANY
WAY. THIS CAN BE VERY HAZARDOUS!!
Should you experience any difficulties or
problems, you can first refer to the
TROUBLESHOOTING GUIDE located on the
following page. If you still cannot fix the problem,
please call 1 [phone] for Gemini Customer
Service.
That’s it !
Okay, that just about covers everything! NOW
you’re ready to grab a couple of great CD’s or
records, crank it up and get the party started!
specifications
Output Power EIA: 1kHz @ 1% THD, Wrms
Both Channels Driven 8Ω: ………….………………………………70
Both Channels Driven 4Ω: ………….………………………………90
Dynamic Headroom, dB:
At 8Ω:…………………………………………………………………1.5
At 4Ω:…………………………………………………………………3.3
Frequency Response:………………………………..30 Hz – 50 kHz
Total Harmonic Distortion: …………………………..less than 0.1%,
typical 0.05% at 1 kHz
Signal to Noise ratio:………………90 dB below rated power @ 8Ω
Damping factor: ……………………………..greater than 150 @ 8Ω
Slew rate:……………………………………………………….10 V/µS
Voltage gain, dB:……………………………………………………..27
Input Sensitivity (for rated power at 8Ω):…………….……….1Vrms
Input Impedance (unbalanced):...………………………………10 kΩ
Power consumption (at rated power at 4Ω,
both channels driven): ………………………………..……..…400 W
AC Power Requirements: ……………..….110-120 V or 220-240 V
60 / 50 Hz.
Indicators:……………………………………1VU-meter per Channel
1 Power LED
Cooling: ……………Variable Speed Fan, Front-to-Rear Forced Air
Protection: ……………………………Short Circuit, Thermal Cut-off,
Sub/Ultrasonic Frequency Filters,
Turn-on Delay, Main Fuse,
Secondary DC Fuses
Connectors:
Inputs:……………………………………………………….RCA Jacks
Speaker Outputs:……………………………………….Binding Posts
Dimensions:……………………………………..19”W x 11”D x 3.5”H
(483 x 280 x 89 mm)
Weight :……………………………………………..12.9 lbs (5.85 kg)
✰Specifications and design are subject to
change without notice for purpose of
improvement

troubleshooting
SYM PTOM CAUSE SOLU TION
UNIT DO ES NOT PRODUCESO UND.
♦
POW ER SW ITCH NOT IN ON POSITION.
♦
MOVEPOW ER SW ITCH TO ONPOSITION.
POW ER LED DO ES NOT LIGHT.
♦
POW ER CABLE NOT CONNECTED TO
♦
CONNECT POW ER CABLETO AC SUPPLY.
AM PLIFIER OR T O O U T L E T .
♦
CHECK CONDITIONOFO UTLET.
♦
AC OUTLET NOT ACTIVE .
♦
REPLACE AM PLIFIER MAIN POW ER FUSE ON.
♦
M A IN A M PLIFIER FU SE D EFEC TIV E. REAR PA NEL WITH CORRECT TYPE & RATING.
POW ER LED LIGHTS,BUT NO SOUND
♦
NO INPUT SO URC E SIGNAL.
♦
CHECK FOR PROPER FUNCTIONOFIN P U T
IS PRO DUCED BY AM PLIFIER.
♦
INPUT SOURCENOT CONNECTED. SOURCEDEVICE(M IXER,CD PLAYER,ETC .).
♦
DEFECTIVEINPUT CONNECTING CABLE.
♦
CHECK INPUT CABLES & CONNECTIONS.
♦
SPEAKERS NOT CONNECTED.
♦
REPLACE CABLES IN QUESTION WITH KNOW N
♦
DEFECTIVESPEA KER CABLES. GOOD CA BLES.
♦
SPEAKER SYSTEM INOPERATIVE.
♦
CHECK OPERATING CONDITION,CABLES AND
♦
AM PLIFIER’S LEVEL CO NTROLS ARE STATUS OFSPEAKER SYSTEM .
SET TO ZERO.
♦
BE SURETHELEV EL CONTROLS ARE PROPERLY SET.
SOUND IS PRESENT BUT VOLUM EIS
♦
AM PLIFIER INPUT LEVEL CO NTROLS ARE
♦
ADJUST LEVEL CONTROLS AS PER
TOO LOW EV EN THO UGH SOURCE SET TOO LOW. INSTRUCTIONS.
DEVICE(i.e.:CD PLAYER,MIXER)
OUTPUT IS SET TO A HIGHLEV EL.
LOUD 50/60 HZ OR 100/120 HZ HUM HEARD
♦
IM PROPER OR DEFECTIVEGROUND
♦
CHECK FOR PROPER AC LINEGROUNDAT
AT ALL TIMESTHROUGH THESPEAKERS. CONNECTIONAT INPUTS. POW ER AM P AND ALL INPUT DEVICES.
IM PROPER ORDEFECTIVEGROUND
♦
CHECK INPUT CABLES FOR ALL DEVICES
AT INPUT SOURCE DEVIC E (S ). AND SIGNALPROC ESSING AS WELLAS INPUT
♦
IM PROPER OR DEFECTIVEGROUND CABLES TO POW ER AM PLIFIER.
CONNECTIONONAC OUTLET.
♦
CHECK POSITIONOFGROUNDLIFT SW ITCH
♦
GROUND LO OP THRO UG H AC LINE AS PER INSTRUCTIONS FO R LIFTING THE
CONNECTION /RACK M OUNTING. GRO UND.
♦
NEVER LIFT THE AC LINE GROUNDONTHE
POW ER AM PLIFIER. IF YO U ARE NOT
TOTALLY FAM ILIAR WITH GROUND LIFTING
O R U N IF ICATION PROCEDURES,DO NOT
ATTEM PT THEM WITHOUT FIRST CO NSULT-
ING YO UR DEALER OR A QUALIFIED SO UND
TECHNICIAN FO R M OREIN F O R M A T ION ON
GROUNDING.IM PROPERLY DONE,SUC H
PROC EDURES CAN POSEA SAFETY AND/OR
FIRE HAZARD.
SOUND IS DISTO RTED.
♦
DISTORTION OCCURRING IN SOURCE
♦
CHECK VU M ETERS
DEVICE(C D PLAYER,MIXER,ETC .).
♦
ADJUST LEVEL CONTROLS AS PER
♦
INPUT LEVEL IS SET TOO HIGH. INSTRUCTIONS.
FUSE BLOW S INTERM ITTENTLY.
♦
SPEAKER LOAD IMPEDANCEIS TOO LOW .
♦
CHECK FOR SHORTS ONTHE O UTPUTS.
♦
TYPE OR RATING OFTHE FUSE IS NOT
♦
CHECK YO UR SPEAKER IMPEDANCE.
CORRECT.
♦
CHECK THAT THE FUSE TYPE AND RATING
ARECORRECT.
em ail
Forservice -re lated questions you can emailus at: service@ gem inidj.com
Forte c h n icalsupportyou can em ailus at: techhelp@ gem inidj.com

1
33
4
6
5
2
9
7
78810
B

PART # QUANTITY NAME
1 012-037 1 PANEL CONTROL
2 021-467 1 MAIN CHASSIS
3 031-046 1 TOP COVER
4 041-430 1 HEAT SINK
5
6 003-111 2 KNOB ROTARY
(SMALL)
7 047-496 3 PCB SUPPORT
8 049-206 4 PAD FOOT
9
10 153-220 1 POLYFORM
11 196-137 3 SERIAL NO:LABEL
12 255-209 1 GIFT BOX
13 257-006 1 OWNER’S MANUAL
14 156-089 1 WARRANTY CARD
15
16 099-238 2 UK LABEL
17 099-232 2 LABEL-GREEN
18 099-233 2 LABEL-RED
19 099-234 2 LABEL-YELLOW
20
21 095-057 3 VDE LABEL
22 099-167 1 A LABEL
23 099-169 1 V LABEL
24 099-014 1 LABEL-MADE IN
TAIWAN
25 099-214 1 LABEL-MADE IN
CHINA
26 190-062 1 SILICON GEL
27 160-044 1 PE BAG 160×250mm
28 160-052 1 PE BAG 650×650mm
29 160-009 1 PE BAG 23×30cm
30
31 121-007A 14 BAND-HEAD TAP
PING SCREW
BTB-3 3×6(AB)
32 110-138 3 BAND-HEAD TAP
PING SCREW
BTS-2 3×8(B)
33 111-046A 2 BAND-HEAD TAP
PING SCREW
BTS-3 3×6(AB)
33 111-046A 2 BAND-HEAD TAP
PING SCREW
BTS-3 3×6(AB)
34 110-187A 2 BAND-HEAD TAP
PING SCREW/TWIN
SCREW 3×12(AB)
35 110-172A 1 BAND-HEAD TAP
PING SCREW/TWIN
SCREW
36 146-717 6 HEXAGON MACHINE
SCREW
37 111-060 1 PAN-HEAD TAPPING
SCREW PTS-3
4×8(N)
38 102-111 2 PAN-HEAD MACHINE
SCREW PMS
5×8(B)
39 107-022A 4 BAND-HEAD MA-
CHINE SCREW
M4×15(AB)
40 131-074 4 NUT (KNUT)4φ(B)
41 142-008 2 PLAIN WASHER4φ(Y)
42 143-008 2 SPRING
WASHER4φ(Y)
43 102-161 1 PAN-HEAD MACHINE
SCREW 3×12(Y)
44 131-081 1 NUT/WASHER 3φ(B)
45 102-068 2 PAN-HEAD MACHINE
SCREW
46
47 170-367 MASTER CARTON
48
49
50
1 262-352 1 PRINTED CIRCUIT
BOARD P-700-1
2 262-353 1 PRINTED CIRCUIT
BOARD P-700-2
3 262-354 2 PRINTED CIRCUIT
BOARD P-700-3
PARTS LIST

5 074-189 2 INTEGRATED CIR-
CUIT TDA7294V
6
7 076-075 1 SILICON TRANSIS-
TORS 2SA1358
8 076-077 SILICON TRANSIS-
TORS OR 2SB631
9 076-074 1 SILICON TRANSIS-
TORS 2SC3421
10 076-076 SILICON TRANSIS-
TORS OR 2SD600
11 076-020 1 SILICON TRANSIS-
TORS 2SA733 (Q)(P)
12 076-023 SILICON TRANSIS-
TORS OR 2SA1015
(GR)(Y)
13
14 086-019 1 BRIDGE RECTIFIER
KBPC804W
15 087-027 2 VU METER
16
17 079-003 11 SILICON DIODE
1N4148
18 079-020 2 ZENER DIODE 1/2W
24V (RD24EB2)
19
20 080-086 1 LED (GREEN) 5φ
21
22 071-202 2 ROTARY VR 10KA
L:15MM
23 081-023 1 SLIDE SWITCH 2P2C
UL
24 081-030 1 SLIDE SWITCH
25 083-099 1 POWER SWITCH
26 001-613 1 DC FAN 24V
(80×80×25mm)
27
28 092-105 1 AC INLET
(IEC+FUSE)
29
30 100-072 2 FUSE 20mm VBS UTE
5A 250V
31 100-063 1 FUSE 20mm VBS UTE
4A 250V
32 100-064 1 FUSE 20mm VBS UTE
2A 250V
33
34 161-160 1 2P RCA JACK
35 161-172 1 4P SPEAKER TERMI-
NAL
36 161-109 4 FUSE CLIP JH-6
37
38 059-239 1 POWER TRANS-
FORMER EI-76×60
39 147-024 2 COIL 1.3µH 1.0φ×9φ×
9 1/2T
40
41 093-370 1 AC CORD SVT AWG
18×3C VW-1 UL
42 093-371 1 AC CORD 220V VDE
43 093-410 1 AC CORD ARGEN-
TINA
44 093-369 1 AC CORD 230V BS
45
46 061-102 2 METAL FILM RESIS-
TORS 2W 8.2Ω
47 060-842 2 CARBON FILM RE-
SISTORS 1/2W 22KΩ
48 060-240 1 CARBON FILM RE-
SISTORS 1/4W 82 Ω
49 060-250 2 CARBON FILM RE-
SISTORS 1/4W 220 Ω
50 060-263 4 CARBON FILM RE-
SISTORS 1/4W 750 Ω
51 060-279 3 CARBON FILM RE-
SISTORS 1/4W 2.2KΩ
52 060-288 13 CARBON FILM RE-
SISTORS 1/4W 5.1KΩ
53 060-293 3 CARBON FILM RE-
SISTORS 1/4W 8.2KΩ
54 060-303 5 CARBON FILM RE-
SISTORS 1/4W 22KΩ
55 060-351 1 CARBON FILM RE-
SISTORS 1/4W 1MΩ
56
57 050-153 2 ELECTROLYTIC
CAPACITORS N.P
10µ/50V
58 050-162 1 ELECTROLYTIC
CAPACITORS
10µ/50V
59 050-121 7 ELECTROLYTIC
CAPACITORS
22µ/50V

82
83 209-004 1 LEAD WIRE (WHITE)
UL1015#18AWG 6×6
310mm
84 202-110 1 LEAD WIRE (RED)
UL1015#18AWG 6×6
310mm
85 200-096 1 LEAD WIRE (BLACK)
UL1007#24AWG 9×9
150mm
86
87 060-703 4 JUMPER WIRE 0.7φ
T/52mm P=10mm
88 060-703 5 JUMPER WIRE 0.7φ
T/52mm P=15mm
89 060-703 1 JUMPER WIRE 0.7φ
T/52mm P=20mm
90
91 146-509 4 PIN CONNECTOR
92
93 190-075 1 HEAT-SHRINK TUB
ING UL 28φ35mm
94 190-230 2 HEAT-SHRINK TUB
ING UL 35φ35mm
95 190-063 2 TUBE 1φ5mm
96 190-063 2 TUBE 1φ10mm
97
98 003-605 3 CABLE TIES CV-100
62
63 051-010 2 CERAMIC CAPACI-
TOR 10P/50V
64 051-048 2 CERAMIC CAPACI-
TOR 390P/50V
65 051-156 1 CERAMIC CAPACI-
TOR UL 0.0047µ/400V
66
67 054-022 1 POLYESTER CE-
RAMIC CAPACITOR
0.047µ/50V

5.1K R38
MAIN PCB
T
+24V
B
Y9
2 1
Y5
3 2 1
Y1
3 2 1
Right ch. INPUT Left ch. INPUT
Right ch. OUTPUT
Left ch. OUTPUT
Left ch. GAIN
10K RV3
3
2
1
Right ch. GAIN
10K RV3
3
2
1
"POWER"
P3 P4
GRN LD1
FUSE
42 13
Y3
4 3 2 1M2
+
42 13
Y2
4 3 2 1
Y11
2 1
24V 0.13A
FAN1
M1
+
GRN
Y7
115v 230v
POWER PCB
P1
P2
P5
AC INLET
N
E
L
VOLTAGE SELECTOR
SW-POWER
F
BRN
BLU ORG
BLK WHT
RED
Y1
RED
Y3
BLK
Y2
4A 115V / 2A 230V
C101
SW3
SW2 T1
7 6 8
1 2 3 4 5
5.1K R10
82 R30 22K R12 2.2K
R13 5.1K R11
1N4148
D13
1N4148 D3
24V 0.5W
ZD2
A
A
2SA1015 Q3
2SA1358 Q1
1N4148 D2
1N4148 D6
0.15 C5
0.15 C13
GRN
X7
5A
F2
5A
F1
X9
2 1
X11
2 1
2SC3421 Q2
1N4148 D4
1N4148 D1
10uF25V NP C3 10uF25V NP C1
J1
X1 X5
"Ground lift"
1M R9
0.047 C8
SW1
B
+24V
220 R2
750 R1
5.1K R6
2.2K R7
22uF50V C2
X3
4 3 2 1
220 R4
750 R5
5.1K R3
2.2K R14 22uF50V
C4
X2
4 3 2 1
1N4148 D12
1N4148 D10
1N4148 D11
1N4148 D8
22K R12 22K R21
+E
100uF25V
C9
5.1K R8
24V 0.5W ZD1
1N4148
D5
5.1K R27
5.1K R35
5.1K R16
390pF C23
22uF25V C16
750 R34
22K R32
22K R28
0.1uF100V C25
8R2 1W
R37
1.0uH L2
0.1 C20
-E
0.1 C15
+E
22uF50V C22
X8B
1 2
TDA7294V
U2
14
OUT
2IN - 13
+PWVs
1
STBY-GND
10 MUTE 6
BOOTSTRAP
7
+Vs
15
-PWVs
4IN+MUTE
8
-Vs
3IN + 9STBY
22uF25V C14
10uF25V C12
5.1K R23
8.2K
R17
8.2K R18 8.2K R19
5.1K R26
5.1K R29
-E +E
10pF C21 10pF C24
RED X6 BLK X4 RED X10
4700uF50V C7
4700uF50V C6
5.1K R15
390pF C19 22uF25V
C18
750 R33
22K R31
22K R25
0.1uF100V C10
8R2 1W
R22
1.0uH L1
-E +E
22uF50V
C17
KBPS08-02 REC1
4
3
2
1
X8A
4 3
TDA7294V
U1
14
OUT
2IN - 13
+PWVs
1
STBY-GND
10 MUTE 6
BOOTSTRAP
7
+Vs
15
-PWVs
4IN+MUTE
8
-Vs
3IN + 9STBY
POWER AMPLIFIER P-6 Gemini Sound Products Corp.
Orcad D
0 of 0
RevDWG No.
FCSM No.
Size
SheetScale
A B C D
12 3 4
D C
B A
4321

Worldwide Headquarters • 120 Clover Place, Edison, NJ 08837 • USA
Tel: [phone] • Fax: [phone]
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: [phone] • Fax: [phone]
Spain • Gemini Sound Products S.A. • Rosello, 516, Barcelona, Spain, 08026
Tel: [phone] • Fax: [phone]
© Gemini Sound Products Corp. 2002 All Rights Reserved
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.
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.