No431 & No432 Owner's Manual - Mark Levinson

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From all of us at Mark Levinson, thank you for choosing a Mark Levinson Power Amplifier. 4 3 Oak Park Bedford, MA 01730-1413 USA Telephone: 781-280-0300 Fax: 781-280-0490 www.marklevinson.com Customer Service Telephone: 781-280-0300 Sales Fax: 781-280-0495 Service Fax: 781-280-0499 Product Shipments 16 Progress Road Billerica, MA 01821-5730 USA Part No. 070-630670 | Rev 4 | 05/04 “Mark Levinson” and the Mark Levinson logo are registered trademarks of Harman International Industries. U.S. patent numbers and other worldwide patents issued and pending. “Madrigal Audio Laboratories” and the Madrigal Audio Laboratories logo are registered trademarks of Harman International Industries. U.S. patent numbers and other worldwide patents issued and pending. ©2004 Harman Specialty Group. All rights reserved. This document should not be construed as a commitment on the part of Harman Specialty Group. The information it contains is subject to change without notice. Harman Specialty Group assumes no responsibility for errors that may appear within this document.
Table of Contents Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Product Registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Installation Considerations . . . . . . . . . . . . . . . . . . . . . . . . . .7 Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 Warm-up & Break-in Period . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Operating States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Continuous Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Special Design Features . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Massive Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Balanced Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Extensive Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Linking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Making Link Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Constructing Link Communication Cables . . . . . . . . . . . . . . . . .21 Creating a Slave Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 Link Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 Care & Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . .30 Dimensions, Nº432 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 Dimensions, Nº431 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 Rack-Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 5
Page 1 and 2: Owner’s Manual Nº432 Nº431
Page 3: Important Safety Instructions Pleas
Page 7 and 8: Installation Considerations The Nº
Page 9 and 10: The Nº432/431 is capable of passin
Page 11 and 12: Special Design Features Thank you f
Page 13 and 14: DUAL MONO AMPLIFIER Nº432 standby
Page 15 and 16: 1 2 3 5 7 8 3 2 1 RIGHT CHANNEL out
Page 17 and 18: 4. Balanced Input Provides left and
Page 19 and 20: 9. ~ac mains connector Provides pow
Page 21 and 22: Constructing Link Communication Cab
Page 23 and 24: Refer to the table on the previous
Page 25 and 26: Troubleshooting Incorrect operation
Page 27 and 28: 7. No audio and the front panel ind
Page 29 and 30: Specifications The correlation betw
Page 31 and 32: Dimensions, Nº432 17.75" 45.09 cm
Page 33 and 34: Rack-Mounting If you need or prefer
Page 36: 3 Oak Park, Bedford, MA, 01730-1413

No431 & No432 Owner's Manual - Mark Levinson

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