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STEREO

 POWER

AMPLIFIER

MC24O

CONTENTS

GENERAL DESCRIPTION 1

TECHNICAL DESCRIPTION 1

PANEL FACILITIES 4

INSTALLATION 5

CONNECTIONS 5

Input—Stereo 5
Input—Twin Amp 5
Input—Mono 6

Output—Stereo or Twin Amp 6

Output—Mono 6

Line Output—Stereo or Twin Amp 6
Line Output—Mono 7

AC Power 7

OPERATION 7

ADJUSTMENTS 7

GUARANTEE 8

OWNER'S MANUAL

MC24

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Summary of Contents for MC 240

Page 1: ...DESCRIPTION 1 PANEL FACILITIES 4 INSTALLATION 5 CONNECTIONS 5 Input Stereo 5 Input Twin Amp 5 Input Mono 6 Output Stereo or Twin Amp 6 Output Mono 6 Line Output Stereo or Twin Amp 6 Line Output Mono 7...

Page 2: ......

Page 3: ...ty of the MC240 permits it to be used as a monophonic amplifier that delivers 80 watts or as two separate 40 watt amplifiers with each chan nel amplifying completely separate pro grams or as two ampli...

Page 4: ...ack loop which reduces their distortion reduces their internal generator resistance and reduces their balance requirements The Mclntosh circuit in reality perfects push pull high efficiency output cir...

Page 5: ...0 7 volts Mono Isolated from ground 25 volts Center tap internally grounded 140 volts One side internally grounded 70 7 volts Internal Impedance Less than 10 of rated load impedance Input Input impeda...

Page 6: ...t has a GAIN control that permits connecting signal sources up to 30 volts without overloading the amplifier s input The input impedance is 250 000 ohms OUTPUT The two barrier terminal strips marked O...

Page 7: ...nd must be attached to the amplifier bottom at each end Turn the MC240 over with the transform ers down and place it on a piece of cloth or cardboard to prevent scratches The ampli fier is shipped wit...

Page 8: ...the output volt ages are not the same phase and amplitude If the speaker impedance is 2 ohms 4 ohms 8 ohms 16 ohms 32 ohms Connect one speaker lead to the screw marked LEFT COM and the other to LEFT 4...

Page 9: ...the following adjustments have been completed the MC 240will operatewithoutanyfurtherattention ADJUSTMENTS LINE VOLTAGE The LINE VOLTAGE switch should be set to the position that more closely matches...

Page 10: ...oes not depend on the critical adjustment of bias or balance controls in the output circuit The patented Mclntosh circuit delivers its adver tised specifications without any need for these controls an...

Page 11: ......

Page 12: ...2 CHAMBERS STREET BINGHAMTON N Y Phone Area Code 607 723 5491 LABORATORY INC Made in U S A PRINTED IN U S A 1M 038 002...

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