Gemini P-700 Service Manual

Also see for P-700: Operation manual

Contents

Gemini P-700 Service Manual Manual pdf 4 page image

Using the Ground Lift SwitchDepending on how your sound system is hookedup, sometimes applying the ground will create aquieter signal path. Sometimes lifting the groundcan eliminate ground loops and that annoyinghum to give you quieter and cleaner overallsound.1. With the power amp ON, listen to the system inidle mode (no music or signal) with the groundON. The GROUND LIFT SWITCH (3) will be inthe left position.2. Turn the power OFF before moving theGROUND LIFT SWITCH (3). Now lift the groundby moving the GROUND LIFT SWITCH to theright. Turn the power back ON and listen todetermine which position makes the overallsound quieter with the least amount of noise andhum.✰ CAUTION: DO NOT DISCONNECT THE ACGROUND ON THE POWER AMPLIFIER IN ANYWAY. THIS CAN BE VERY HAZARDOUS!!Should you experience any difficulties orproblems, you can first refer to theTROUBLESHOOTING GUIDE located on thefollowing page. If you still cannot fix the problem,please call 1 (732) 738-9003 for Gemini CustomerService.That’s it !Okay, that just about covers everything! NOWyou’re ready to grab a couple of great CD’s orrecords, crank it up and get the party started!specificationsOutput Power EIA: 1kHz @ 1% THD, WrmsBoth Channels Driven 8Ω: ………….………………………………70Both Channels Driven 4Ω: ………….………………………………90Dynamic Headroom, dB:At 8Ω:…………………………………………………………………1.5At 4Ω:…………………………………………………………………3.3Frequency Response:………………………………..30 Hz – 50 kHzTotal Harmonic Distortion: …………………………..less than 0.1%,typical 0.05% at 1 kHzSignal to Noise ratio:………………90 dB below rated power @ 8ΩDamping factor: ……………………………..greater than 150 @ 8ΩSlew rate:……………………………………………………….10 V/μSVoltage gain, dB:……………………………………………………..27Input Sensitivity (for rated power at 8Ω):…………….……….1VrmsInput Impedance (unbalanced):...………………………………10 kΩPower consumption (at rated power at 4Ω,both channels driven): ………………………………..……..…400 WAC Power Requirements: ……………..….110-120 V or 220-240 V60 / 50 Hz.Indicators:……………………………………1VU-meter per Channel1 Power LEDCooling: ……………Variable Speed Fan, Front-to-Rear Forced AirProtection: ……………………………Short Circuit, Thermal Cut-off,Sub/Ultrasonic Frequency Filters,Turn-on Delay, Main Fuse,Secondary DC FusesConnectors:Inputs:……………………………………………………….RCA JacksSpeaker Outputs:……………………………………….Binding PostsDimensions:……………………………………..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 tochange without notice for purpose ofimprovement