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McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com
MC1502
Power Amplifier
Owner's Manual

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Summary of Contents for McIntosh MC1502

  • Page 1 McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com MC1502 Power Amplifier Owner’s Manual...
  • Page 2: Table Of Contents

    Important Safety Information is supplied in a separate document “Important Additional Operation Information Guide” Technical Assistance Table of Contents Thank You If at any time you have questions about your McIntosh Your decision to own this McIntosh MC1502 Tube Safety Instructions .............. 2 product, contact your McIntosh Dealer who is familiar Power Amplifier ranks you at the very top among (Separate Sheet) ......Important Additional...
  • Page 3 IMPORTANT! INSTRUCTIONS FOR REMOVAL OF FOAM INSERT OVER THE VACUUM TUBES PRIOR TO CONNECTING THE A.C. POWER SUPPLY CORD, START ON THE NEXT PAGE.
  • Page 4 Mc- the Power Amplifier. Intosh Service Agency. 1. Orient the MC1502 so the Front Side of the Power The Foam Insert must be Amplifier is facing you and remove the Warning removed from the MC1502 Sheet.
  • Page 5: Unpacking The Mc1502 And Ventilation

    Ventilation Adequate ventilation extends the trouble free life of the MC1502. Always allow air to flow through the ventilation holes on the bottom of the amplifier and a means for the warm air to escape at the top. Refer to Figure 7G figure 10.
  • Page 6: General Information

    (Sentry Monitor) of the MC1502 has activated diagram for connection: the Small Vacuum LED Illumination will start PIN 1: Shield/Ground flashing. The AC Power to the MC1502 needs to be PIN 2: + Output switched OFF at that time. PIN 3: - Output 5.
  • Page 7: Introduction

    MC1502 Tube Power McIntosh Sentry Monitor Tube Protection Circuits Amplifier. The 150 watt power output per channel ensure the MC1502 will have a long and trouble free will drive any high quality Loudspeaker System. The operating life.
  • Page 8: Dimensions

    Dimensions Dimensions The following dimensions can assist in determining the best location for your MC1502. Right View of the MC1502 Front View of the MC1502 " -3/4 " 42.5cm -1/2 14cm " -1/2 16.5 cm " -9/16 13" 33cm 18"...
  • Page 9: Rear Panel Connections, Fuse Holder And Switches

    CLASS 2 WIRING PUSH T8AL 250V M C 15 0 2 P O W E R A M P L I F I E R McINTOSH LABORATORY, INC., BINGHAMTON, NY HANDCRAFTED IN USA WITH US AND IMPORTED PARTS 120V 60Hz 5.5 AMPS...
  • Page 10 1. For Remote Power Control, connect a power control When connecting the Loudspeaker Hookup Cables to cable from the Audio Preamplifier Power Control the MC1502 Power Amplifier Output Terminals please Main Output Jack to the Power Amplifier POWER follow the steps below: CONTROL IN Jack.
  • Page 11: How To Connect For Operation

    McIntosh Dealer or For additional instruction on making McIntosh Technical Support. Loudspeaker Connections contact 9. Connect the MC1502 Power Cord to an active AC your McIntosh Dealer or McIntosh outlet. Technical Support. 7. Connect the MC1502 Power Cord to an active AC outlet.
  • Page 12: Front Panel Controls And Indicators

    Front Panel Controls and Indicators Left Channel Small Signal Vacuum Tubes Right Channel Small Signal Vacuum Tubes LED Illumination Color Operation Mode Function LED Illumination Color Operation Mode Function Amber Warm-up Audio Signal is muted Amber Warm-up Audio Signal is muted Green Normal Selected by Tube Light Control...
  • Page 13: How To Operate

    LED Illuminating Color is Green. repair of the Power Ampifier. the MC1502 and the Loudspeaker(s). It will also Rotating the TUBE LIGHTS activate if there is a short circuit at the MC1502 CONTROL counterclockwise turn TUBE LIGHTS Output Terminals (or the Loudspeaker Terminals) or the tube lights off.
  • Page 14: Specifications

    47,000 ohms Unbalanced 20Hz to 20,000Hz Standby: Less than 0.3 watts 20,000 ohms Balanced Note: Refer to the right side panel of the MC1502 for the correct voltage. Total Harmonic Distortion Power Control Input 0.5% maximum harmonic distortion at any power...
  • Page 15: Packing Instruction

    Failure to do this will result in shipping damage. To protect the tubes during shippment, the Foam Insert removed from the MC1502 needs to be re- inserted. Follow the unpacking instructions on pages Power Cord Manual Foam Ring 4-5 in the reverse order.
  • Page 16 McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, NY 13903 www.mcintoshlabs.com The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice. Printed in the U.S.A. McIntosh Part No. 24105200...

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