MARSH SOUND DESIGN HT750 Owner's Manual

High definition 5-channel audio-video amplifier

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High Definition 5-channel Audio-Video Amplifier HT750
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Summary of Contents for MARSH SOUND DESIGN HT750

  • Page 1 High Definition 5-channel Audio-Video Amplifier HT750 ’...
  • Page 3: Preface

    The MSD-HT750 The HT750 gives out 150 watts per channel, for a total of 750 watts. The HT750 is designed with a High End circuit with very low-noise Bi-Polar. A balanced,...
  • Page 4: Unpacking

    Packing. Marsh WARNING: DIMMER POWER High Definition 5-Channel Audio-Video Amplifier MSD-HT750 People with back problems should not unpack this equipment without assistance. 1. Carefully lift the unit out of the box. 2. Remove the foam packing material. 3. Set up the unit for use...
  • Page 5: Warranty

    Marsh Sound Design 1. A MARSH SOUND DESIGN warranty only applies to the original retail purchaser. The warranty certifies that the product is free from defects in material and workmanship and authorizes free service and/or parts exchange for a period of TWO years from the date of purchase. Service must only be done at an authorized MARSH SOUND DESIGN Service center.
  • Page 6: Table Of Contents

    Marsh Sound Design PREFACE UNPACKING CONTENTS WARRANTY YOUR RECORDS RECOMMENDATIONS FRONT PANEL CONTROLS REAR PANEL CONNECTIONS INTERNAL PROTECTIONS GENERAL PRECAUTIONS REPLACE THE AC POWER FUSE TROUBLE SHOOTING GUIDE SPECIFICATIONS...
  • Page 7: Recommendations

    5. In a dusty place. 6. In a poorly ventilated place. Listening Recommendation Please note that your new HT750 will improve sonically over the course of the first week. After the first week, you will notice that the sound of your new...
  • Page 8: Front Panel Controls

    1,2,3,4,and 5. In case of a malfunction, the blue number will keep blinking until the unit turns off itself. REMARK: MSD-HT750 c an be linked with other MARSH SOUND DESIGN remote control Preamplifiers to utilize the remote on/off option of your preamplifier.
  • Page 9: Rear Panel Connections

    This is a digitally controlled input designed to receive +12VDC from others MARSH SOUND DESIGN preamplifiers with remote Turn on capability or from other equipment e.g. power control center. With this function, the MSD-HT750 can be powered ON/OFF synchronized with that equipment.
  • Page 10: Internal Protections

    3. Over heat protection If the temperature of the heat sink exceed 76 degrees C, the MSD-HT750 will shut itself down. It will not restart automatically. Wait 5 to 10 minutes to let the unit cool down, and...
  • Page 11: General Precautions

    Marsh Sound Design The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to people.
  • Page 12: Replace The Ac Power Fuse

    Marsh Sound Design Replacing the AC Power Fuse 1. Turn the unit off. 2. Disconnect the AC power cord. 3. Slide open the fuse drawer completely. 4. Remove and replace the fuse in the rear compartment. se fuse type 6.35 3.18...
  • Page 13: Trouble Shooting Guide

    Marsh Sound Design Trouble Shooting the Basics Problems Solutions Unit does not turn on. Confirm that the power cord is plugged in CHANNEL INDICATORS are not lit. properly. Check If the fuse is still good. No sound. Check the speaker cable connection.
  • Page 14: Specifications

    Marsh Sound Design MSD-HT750 Specifications Power Output (All channel driven) 150 W(Rms) @8 ohms 20 Hz-20 kHz 250 W(Rms) @4 ohms 20 Hz-20 kHz Power Output - Peak (Burst 1 cycle sine, interval = 10) 205 W @5 ohms 385 W @4 ohms Total Harmonic Distortion (THD)+Noise <...
  • Page 16 M a r s h MARSH SOUND DESIGN Email: sales@marshsounddesign.com www.marshsounddesign.com Tel: (415) 927-4672 Fax: (415) 924-6846 62 El Camino Drive, Corte Madera, CA 94925...

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