Gemini X-01 Stereo Amplifier User Manual
Contents
1. 193 um power Back on and ieten to detemine which poston wil provide a sna oo ar naise and hum Keep the GROUND LIFT SWITCH 4 nire around pasion nose levei remains same in ether positon SPECIFICATIONS x u Power EI 1 THD Wis 828 Channels Orven 8a 85 140 20 200 52 Channels Orven sa 10 20 300 30 Mono Brage 86 220 40 00 000 Dynamic Headroom dB 14 19 20 22 23 Frequency Response 20 Hz 50 te Total Harmonie 0 96 85 than 0 05 002 1 kHz 598 10 Noise ratio 100 beiw rated power Damping oar han 200 6 80 Siew rate 20 Votage gain di x Input Sensitwty or rated power at 80 1 vms Input impedance Unbalanced input impedance Balanced 2086 Power consumption W 80077 800 at rated power at 4D both channels driven Power Requrements 10 120 V 60 Hz and 220 240 V 50 Hz 7 Indicators 1 Power LED 3 Protect LED 1 Signal LED por Channel tor X1 X2 x3 5 per Channel 4 Fan Forced Ar Protect Short DC Thermal SubiUtvasonie Frequency Fors Turon Delay Main Fuse Secondary DO Fuses 58 6 Say Binding Posts Balanced Unbalanced inputs Speaker 00908 Dimensions X1 X2 X8 19 5 10750 x 3 54 483 x 273 x 89 VW 10750 x 82514 683 273 135 mm2. 163 ibs 176 202 bs 216 bs 74 9 8169 92kg 98 kg SYMPTOM CAUSE SOLUTION UNITDOESNOTPRODUCESOUND POWER LED DOESNOT LIGHT TPOWERSWITCHNOTNONFOSITION POWERCABLENOTCONNECTEDTOANPLIFER OR TOQUTLET ACOUTLETNOT ACTIVE MANAMPLIFER FUSE DEFECTIVE BOWER LED LIGHTS BUT NO SOUND IS PRODUCED BY AMPLIFIER TRO INPUT SOURCE SENAL INPUTSDURCENOT CONNECTED NPUTCONNECTNGCABLEDEFEGTNE SPEAKER S NOT CONNECTED SPEAKER CABLE DEFECTIVE SPEAKER SYSTEMS INOPERATIVE AMPLIFIERS LEVEL CONTROLS ARE SET TO 26 500800 PRESENT BUT VOLUMEISTOO LOW EVEN THOUGH SOURCE DEVICE IS AMPLIFIER NPUT LEVEL CONTROLS ARE SET TooLow USE CORRECT CABLES AS SHOWN ON BACK OF SETTOAHIGHLEVEL WRONG PINCONNECTIONSINCABLES unm VERY LITTLE OR NO OUTPUT FROM FREQUENCYSWITCHISINTHEFULLRANGE MOVE THE FREGUENGY 58 0 THE TAL WZ SUBWOOFER OR MODE POSTON oR mean POSITION NO BASS FROM FULL RANGE SPEAKERS WHEN OPERATING WITHOUT SUBWOOFERS 16 5060 HZ OR 160128 HZ HUM 6 HEARD AT ALL TIMES THROUGH THE SPEAKER SYSTEMS SOUNDISDISTORTED TIWPROFER OR DEFECTIVE GROUND CONNECTION AT INPUTS IMPROPER OR DEFECTIVE GROUND AT INPUT SOURCE DEVICES IMPROPER OR DEFECTIVE GROUND CONNECTIONONACOUTLET GROUND LOOP THROUGH AC LINE CONNECTIONRACKMOLNTING USTORTONOCOURRING SOURCE DEVICE INPUT LEVELS SET TOO HIGH PROTECT LED REMAINS LIT OR GOES ON UNIT OP
3. 2 mo OPERATIONS MANUAL MANUEL D INSTRUCTIONS 1 2 3 4 POWER AMPLIFIER STEREO VERSTARKER AMPLIFICADOR DE PODER ESTEREO AMPLIFICATEUR DE PUISSANCE ST R O gt INTRODUCTION Congratulations on purchasing Gemini Power Amplifier This state fthe at power amplifier incudes fne stes features andis backed BY three year limited warranty Prior 10 use we suggest thal you Sareuby read all the instructions FEATURES pe a Sa Cot emit Bg po Abela ip er ain anun RESTO tae Recien CAUTIONS Read all operating instructions betore using this equipment 2 To reduce the risk ot electrical shack do not apen the unit There are NOUSER REPLACEABLE PARTS INSIDE Please contact the Gemini Service Department or your authorized dealer lo speak o qualified Gemini Sound Products technician 3 Be sure to allow adequate front and rear to avoid 90958 heat damage your equipment 4 Be sure that AC power OFF and al level controis ara set 10 MINIMUM elore making connections Thi wil any chance of un
4. permission of Gemini Sound Products Carp tis recommended that maintenance and service on this product is performed by Gemini Sound Products Corp or 15 authorized agents Gemini Sound Products Corp wil nol accept liabiity for loss or damage A caused by maintenance or repair performed by unauthorized personnel e Worldwide Headquarters 120 Clover Place Edison NJ 08837 USA Tel 732 738 9003 Fax 732 738 9006 France G S France 1 Avenue Leon Harmel 1 Antony 82160 Antony France Tel 33 0 1 56 59 04 70 Fax 33 0 1 55 59 04 80 Germany Gemini Sound Products GmbH gt Ottostrasse 6 85757 Karlsteld Germany 08131 39171 0 Fax 08131 39171 9 UK Gemini Sound Products Unit CA Hazleton Industrial Estate Waterlooville UK POS SUU 087 087 00880 Fax 087 087 00990 Spain Gemini Sound Products S A Rosello 516 Barcelona Spain 08026 Tel 349 3435 0814 Fax 3493 347 6961 Gemini Sound Products Corp 2003 Rights Reserved
5. you ty operate 3 less than 8 Ohms in Mono Bridge mode the wil go 85 the protection made and stop operation unti you correct the load conditions 4 Wih the Channel 1 LEVEL CONTROL 15 set to zero uly counterclockwise switch power on Apply a signal 1 the The level c the signal should bo as high as you wil ever need it o be Tris way t wil be as high above the ampiler s noise eor as possible ensuring an excelent periormance and signal to nose ratio Adjust the LEVEL CONTROL 15 Channel 110 achieve desired maximum stening level Note when the CLIP LED 14 ight there 259560 present n he amplder ouput section CLIP LED 14 remains on or flashes repented reduce Ihe signal level by lowering the level contral for Channel Y or reduce the vel at the source Dring Mono Bridge operation he Channel 2 levei 5 however both channel LED wil 858 simultaneously and show output conditions USING THE GROUND LIFT SWITCH Depending on your system configuration sometimes applying the ground wil austr signal path Sometimes ting the ground ground loops and hum to create a quieter signa path 16 Wih power amp on istan to the system in de mode no preset Wih ha ground 49 GROUND LIFT SWITCH a n ze poston 2 Tum the poner ott before moving GROUND LIFT SWITCH 8 L t the ground by moving te GROUND LIFT SWITCH 4
6. ERATING AT EXCESSIVELY FIGH CHECK THAT RHVUTFTET TS ROECUATETY AND OFF INTERMITTENTLY AFTER USING AMPLIFIER FOR A SHORT TIME FUSE BLOWSINTERIATTENTLY PROTECT LED S STAY ON WITH NO SPEAKERS CONNECTED AND WITH THE AMPLIFIER COOLED DOWN TEMPERATURE EXTREMELY LOW SPEAKER IMPEDANCE SHORT IN SPEAKER CONNECTORS SPEAKER CALE OR SPEAKER SYSTEM 7 SPEARER TOAD MPEDANGETS TOOOW TYPE OR RATING OF THE FUSE IS NOT CORRECT TEREDAWPUFER 5 Gemini Sound Products Corp 120 Clover Place P O Box 6928 Edison NJ 08818 6928 732 738 9003 Phone 732 738 9006 Fax 15 1 9 m In the USA If you experience problems with this unit call 1 732 738 9003 for Gemini Customer Service GEMINID COM Do not attempt to return this equipment to your dealer Pars of the design of this product may be protected by worldwide patents Information in this manual is subject 10 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 tis 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 writen
7. a anal to he input ot ne ample The level of he inp signal shoud be as high as you wi ever need itto bo Tris way it wil be as high above the naise cor as possil ensuring an excelent perfomance and signal to rato Adjust LEVEL CONTROLS 12 15 for each Channel ta achieve the desired maximum Estening ve Not when CLIP LED 14 ight 68960 prosen in ne amplior output CLIP LED 14 remains on or ashes repeatady reduce ne Signal ove by lowering the input conto for the channel at s clipping or reduce the levet aio source PARALLEL MONO OPERATION thse instructions for Parallel Mono Operation using a singe input cable and you Wil have the same monophonic signal an both ine Channel Y and the Channel 2 outputs Each channel s output is coniro ed independenty by fat channels level conii Wih the powar OPERATION MODE SWITCH 3 lal Mone positon 2 Wih he poner o using connect your input cables to Channel 1 input INPUT JACK 1 of Channel 1 3 Connect the loudspeakers to the Channel 1 and Channel 2 SPEAKER OUTPUTS 5 7 THE TOTAL SPEAKER LOAD MUST AT LEAST 4 OHMS PER CHANNEL If you 1y to operate at less than 4 Ohms chan the amplifier wil go into he protection modo and operation unt you caret the load conditions 3 Wih the LEVEL CONTROLS 1215 set to zero counterclockwise
8. expected Joud audio transients that could damage your speaker systems Tn the USA H you experience problems wiih this unit please 1 732 738 9003 for Gemini Customer Service Do not attempt to return this equipment to your dealer 5 Be sure hat AC power is OFF when changing modes of operation and when changing the position of Ground Lift Switch 6 00 NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE Operators ot elecrori equpment should in way be in ontact wth water 7 When connecting to AC power ine be sure you haven lost tha ground connection by usng an adapter or extension cord wihout a 3 prong pt DONOT USE ANY SPRAY CLEANER OR LUBRICANT ON ANY CONTROLS OR SWITCHES CONNECTION CONTROLS AND INDICATORS REAR PANEL INPUT SECTION INPUT JACKS TA INPUT JACKS 1 2 a balanced as vel as an unbalanced no levai sona The urbalanced ine tanda 3055 The tps postve and he sleeve is or ground The balanced Ine usos a png sleeve connecten The tp is hat or postive 9 5 606 6 negative and the sleeve is shield or gun OPERATION MODE SWITCH OPERATION MODE SWITCH 3 switch is used to set the unt for Stereo mode Mono mode or Mono Bridge mode AC POWER SECTION FUSE Replace FUSE 6 wt those proper ype and rating GROUND LIFT SWITCH GROUND LIFT SWITCH 4 used oit the balanced input connectors ground shild lom the ampiors ground When tho s
9. ignal ground ite the sound source disconnects rom the amplifiers ground preventing ground loops which generate hum and aie See the Ground Lift Switch Instructions for more detal AC INLET AC INLET 16 used o attach the power cod to he unt AC LINE VOLTAGE SWITCH AC LINE VOLTAGE SWITCH 17 55 recontguteg amr ether 110 20V or 220 240V AC Ines OUTPUT SECTION Disconnect unit he AC power source betore making ary connections Pay cse atenton to polar shown on the back of the unit hen connecting your speakers Connectng your speaker systems using the wrong polarity wa not damage your speakers bu wil impact he tha sound lack of bass and incorrect stereo Image SPEAKER OUTPUTS The SPEAKER OUTPUT 5 7 connectors are 3 way binding posts ihat wa accept standard banana plug spada lugs ir wire Make sure fat he connectors are clean when using are wire connactens strands wire one connector touch the adjacent connector he sound wl distort and your amplifier wil vertat and go protection mode FRONT PANEI POWER SWITCH The POWER SWITCH 9 tums the unit on and of POWER LED The POWER LED 10 ights when the power is on POWER LED 10 does not ight reler tothe Troubleshooting guide SIGNAL LED The SIGNAL LED 18 fr each channe show when a iral is present In Mono Bridge mode boh Channel 1 LED and tha Channel 2 LED vel ight in u
10. nison CLIP LED The amer has rus CLIP LED 14 to help you properly conr he ouput and achieve undistorted sound The CLIP LED 14 for each canna ight when your sgnal eval Song hal distortion reaches 1 THO The CLP LED 14 should not remain constnty on or fash repeatedly during operation For dean sound reproduction the CLIP LED 4 shcud oriy ight occasional for an instant LED remains 000 fases repeated you wl hear sound can damaging 12 your speaker systema occurs reduce he signal level by Towering input level control for tna channel that or reduce ha 86 at he source Ihe CLIP LED 14 lights when sgnal is Present may indicate an RF signal on the output wich may cause damage to speakers the RF signal wil not be audible Pease note hat when you are using e amplitr in the Mona Bridge mode bot CLIP LED M of a bridged channels wal operate simulanenusy PROTECT LED When you frst tum on the amplifier PROTECT LEDS 1 Tight rity during a tum on delay which indicates thatthe outputs are internally There wa be an audible cick when the outputs reconnect and the PROTECT LED 1 wil tum of Otherwise the PROTECT LED 11 tat 5 a ptem eter he ampifers connectors load or temperatura conditons ar its internal funcions 0 one these slutons occurs senses the problem and automaticaly switche
11. s into protection mode The LED wil Font to warn you trouble and the amp fer wa stop working Ifa occurs swich of tho amplior and refar to the Troubleshooting Guide fis PROTECT LED 11 remains It when resuming ampi operato not use the ampliar and contact an authorized service technican LEVEL CONTROLS LEVEL CONTROLS 12 1 establish input levels or cach channel Only he Channel 1 LEVEL CONTROL 15 908 Mano Bridge mode OPERATION STEREO OPERATION THEAMPLIFIERS POWER MUST BE TURNED OFF WHEN CHANGING MODES OF OPERATION The unit has two channels for stereo operation Each channel provides separate and discrete signal at 1e speaker outputs according 1a the Signal received at the The following instructions are for aoplcatons wih 4 Ohm or 8 Ohm speakers of matched power ratings 1 With he power set he OPERATION MODE SWITCH 3 tothe STEREO poston 2 Wih he power connect your cables to the Channel 1 and 2 inputs using the Va INPUT JACKS 1 2 of each channel 3 3 Comec the loudspeakers tothe Channel 1 and Channel 2 SPEAKER OUTPUTS 6 7 THE TOTAL SPEAKER LOAD MUST BE AT LEAST 4 OHMS PER CHANNEL If you try 1o perat at a over impedance wil into proiection made and stop operation unt you correct the load concione Wih the LEVEL CONTROLS 12 15 of bot channels set to zero counterclockwise tum the POWER SWITCH 9 on
12. wich the POWER 9 on Apply a signal to the Input To level ofthe input signal should be as high you wil ever need it to be This way it Wil be as high above the ampifier s noise 1007 as ensuring an 2 perfomance and signal to rato Adjust the LEVEL CONTROLS 12 15 or cach channel t achieve the desired maximum Stoning level Note when CLIP LED 14 ight tere tortion Present tna anplibers ouput secon CLIP LED 14 remains on ar flashes repeatedly reduce the signal level by lowering the input level onto tor the channel clipping or reduce the level at ne source MONO BRIDGE OPERATION Follow these instructions to bridge the unis output Bridging the amgiiter convens the unit fo a monophonic or single channel ampliier The amplifier can be used wth 8 Ohm or higher loads oniy In Mona Bridge mode This mode 5 used provide higher votage wih greater headroom to your speaker Belore seting your for Mono Bridge operation make sure that your speaker can handie the gh power leve provided by the amplifier Mono Bridge mode 1 With ino power of the OPERATION MODE SWITCH 3 tothe BRIDGE postion 2 With he power connect your input cables to Channel 1 input using to V4 INPUT JACK 1 of channel 3 Gonnect th loudspeaker ta the BRIDGE SPEAKER OUTPUT 6 nl Be sure the play of your connection caret The total speaker 690 must bo at least 8 Ohms or above If
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