McIntosh MC 2120 Owner'S Manual Download Page 6 | Manualshive

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Stereophonic

Connections

MUST BE IN STEREO
POSITION FOR STEREO
PROGRAMS

6

STEREO

MODE

SWITCH

MONO

LEFT

SPEAKER

RIGHT

SPEAKER

PROGRAM SOURCE

www.freeservicemanuals.info

5/10/2017

Digitized in Heiloo Netherland

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Summary of Contents for MC 2120

Page 1: ...THE MCINTOSH MC 2120 SOLID STATE STEREO POWER AMPLIFIER Reading Time 29 Minutes Price 1 25 www freeservicemanuals info 5 10 2017 Digitized in Heiloo Netherland...

Page 2: ...www freeservicemanuals info 5 10 2017 Digitized in Heiloo Netherland...

Page 3: ...rates To receive the free service under the terms of the SERVICE CONTRACT the SERVICE CONTRACT CERTIFICATE must ac company the instrument when taken to the service agency 3 Always have service done by...

Page 4: ...iameter speaker leads In all cases the leads to and from the speaker should be twin conductor or twisted together Use lamp cord bell wire or wire with similar type of insulation to connect the speaker...

Page 5: ...ive the other and cause circulating currents and overheating Be certain that the MC 2120 is never operated in the stereo mode with the outputs connected for monophonic operations AC POWER The MC 2120...

Page 6: ...eophonic Connections MUST BE IN STEREO POSITION FOR STEREO PROGRAMS 6 STEREO MODE SWITCH MONO LEFT SPEAKER RIGHT SPEAKER PROGRAM SOURCE www freeservicemanuals info 5 10 2017 Digitized in Heiloo Nether...

Page 7: ...Monophonic Connections CONNECT FOR MONO USE ONLY WHEN THE MODE SWITCH IS IN MONOPOSITION STEREO MODE SWITCH MONO 7 PROGRAM SOURCE www freeservicemanuals info 5 10 2017 Digitized in Heiloo Netherland...

Page 8: ...e desired listening level Turn the control clockwise to increase the volume MONO With the output of MC 2120 connected for monophonic operation and the rear panel MODE SWITCH in MONO the volume is cont...

Page 9: ...anel HEADPHONE jack has been designed to feed low impedance dynamic stereo head phones Electrostatic headphones generally require higher power than dynamic headphones Connect them to the LEFT and RIGH...

Page 10: ...twin amplifier and mono Because of the excellent channel separation of the MC 2120 it can all of these functions When the instrument is properly con nected the MODE switch is used to select the method...

Page 11: ...to 20 000 Hz both channels operating MONO 0 1 maximum harmonic distortion at any power level from 250 milliwatts to 240 watts from 20 Hz to 20 000 Hz INTERMODULATION DISTORTION STEREO 0 1 maximum if i...

Page 12: ...harts Per Channel Both Channels Operating 12 HARMONIC DISTORTION AT RATED OUTPUT FREQUENCY RESPONSE AT 1 WATT OUTPUT POWER BANDWIDTH AT 0 1 THD www freeservicemanuals info 5 10 2017 Digitized in Heilo...

Page 13: ...TO ELIMINATE OUTPUT SIGNAL CLIPPING AMPLIFIER INPUT IS OVERDRIVEN BY 20 dB FOR BOTH OSCILLOGRAM TRACES 13 HARMONIC DISTORTION VS POWER OUTPUT INTERMODULATION DISTORTION VS POWER OUTPUT www freeservice...

Page 14: ...and turn off char acteristics This is because the output of the amplifier is switched by a heavy duty relay to the output autotrans former The relay is driven by a transistor switch The con trol signa...

Page 15: ...i nated for an overload condition as short as one cycle of a signal at 20 000 Hz The same control voltage used to activate the LIMIT indicator also actuates the POWER GUARD system If the control volta...

Page 16: ...16 www freeservicemanuals info 5 10 2017 Digitized in Heiloo Netherland...

Page 17: ...www freeservicemanuals info 5 10 2017 Digitized in Heiloo Netherland...

Page 18: ...NTOSH LABORATORY INC 2 CHAMBERS ST BINGHAMTON N Y 13903 607 723 3512 Design subject to change without notice Printed in U S A 038 921 www freeservicemanuals info 5 10 2017 Digitized in Heiloo Netherla...

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