Symetrix 581E User Manual
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Symetrix 581E User Manual

Distribution amplifier (4x4)
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581E Distribution Amplifier (4x4)
User's Guide

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Summary of Contents for Symetrix 581E

  • Page 1 581E Distribution Amplifier (4x4) User’s Guide...
  • Page 2 Safety User’s Guide 6408 216th Street SW Mountlake Terrace, WA 98043 USA +1.425.778.7728 +1.425.778.7727 | www.SymetrixAudio.com...

  • Page 3: What Ships In The Box

    User Serviceable Parts: There are no specified by the manufacturer, user serviceable parts inside this Symetrix or sold with the apparatus. product. In case of failure, customers When a cart is used, use inside the U.S. should refer all servicing to caution when moving the cart/apparatus the Symetrix factory.

  • Page 4: Fast First Time Setup

    Caution: Failure to connect the 581E to the proper AC performance product. mains voltage may cause fire and/or internal damage. The 4x4 architecture of the 581E allows the amplifier to fit Warning: Lethal voltages are present inside the chassis. the greatest possible number of configurations. Each one There are no user serviceable parts inside the chassis.

  • Page 5: Front/Rear Panel

    Item Description The four input level controls on the 581E are marked INPUT 1, INPUT 2, INPUT 3 and INPUT 4. Each control adjusts it’s correspond- Input Level ing input signal over a 30 dB range. With signal applied to input(s) turn up the INPUT level pot(s) until the red CLIP LED just barely lights.

  • Page 6: Making The Connections

    For balanced input signals: M Connect the “-” (low) OUTPUT terminal of the 581E to the “-” (low) of M Connect the incoming signal “+” (high) to the “+” INPUT terminal of the input of the device which you are feeding.

  • Page 7: Connecting To Other Gear

    Similarly, although 1/4 inch jacks are The 581E is designed to interface into almost any recording studio or typically used for things like guitars (which are high-impedance and sound reinforcement application. This includes: unbalanced), this does not predispose them to only this usage.

  • Page 8: Input And Output Connections

    3, but if you have the choice... leave it open. If you must ground pin 3, it is must be grounded at the 581E, rather than at the other end of the cable. The price, regardless of whether or not pin 3 is grounded is 6 dB less output level.

  • Page 9: Block Diagram

    Block Diagram 581E Distribution Amplifier (4x4) The 581E Block Diagram CHANNEL 1 CHANNEL 1 INPUT 1 INPUT 1 INPUT INPUT LEVEL LEVEL OUTPUT OUTPUT 1A LEVEL 1A LEVEL OUTPUT OUTPUT 1B LEVEL 1B LEVEL CLIP CLIP CHANNEL 1 CHANNEL 1...

  • Page 10: Troubleshooting

    Check input signal levels and input level control settings The input signal may be too low. If so, boost the incoming signal (if possible). Is the input signal already noisy? Listen “up stream” from the 581E to determine that you are feeding it a clean signal. No LED display...

  • Page 11: Architects And Engineers Specifications

    IEC type detachable power cord. The Part 1: Residential, commercial, and light industry. distribution amplifier shall carry the CE mark. The distribution amplifier shall be a Symetrix, Inc. model 581E Distribution EN 50082-1 Amplifier (4x4).

  • Page 12: Warranty And Service

    We won’t the product within the specified warranty period. return the unit in anything but Symetrix packaging for which we will have Symetrix does not authorize any third party, including any dealer or to charge you.
  • Page 13 581E Distribution Amplifier (4x4)
  • Page 14 User’s Guide 6408 216th Street SW Mountlake Terrace, WA 98043 USA +1.425.778.7728 +1.425.778.7727 | www.SymetrixAudio.com...
  • Page 15 581E Distribution Amplifier (4x4)
  • Page 16 User’s Guide © 2009 Symetrix, Inc. All rights reserved. Printed in the United States of America. The information in this document is subject to change without notice. Symetrix, Inc. shall not be liable for technical or editorial errors or omissions contained herein; nor is it liable for incidental or consequential damages resulting from the furnishing, performance, or use of this material.

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