Radio Systems DA 2x4b Manual

Distribution amplifier

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R a d i o
S y s t e m s ,
I n c .
D A - 2 / 4 x 4 b
M a n u a l
DA 2x4b & 4x4b
Distribution Amplifier
Manual
EMC and Safety Conformity
5 / 0 7
P a g e
1

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Table of Contents
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Summary of Contents for Radio Systems DA 2x4b

  • Page 1 S y s t e m s , I n c . D A - 2 / 4 x 4 b M a n u a l DA 2x4b & 4x4b Distribution Amplifier Manual EMC and Safety Conformity 5 / 0 7...
  • Page 3: Table Of Contents

    R a d i o S y s t e m s , I n c . D A - 2 / 4 x 4 b M a n u a l Contents Overview ............... 4 Mounting ............... 4 Operation ..............4 Connections ..............
  • Page 4: Overview

    Excellent isolation is provided between outputs. Each balanced channel, regardless of level set and load, is unaffected by the other channels. The Radio Systems DA- 4x4b Distribution Amplifier allows audio sources to be routed to multiple locations with various level requirements and impedances while maintaining the integrity of signal quality throughout.
  • Page 5 R a d i o S y s t e m s , I n c . D A - 2 / 4 x 4 b M a n u a l down any source. Because the unit is actually four separate 1 input x 4 output amplifiers, internal jumpers JU3 and JU4 allow for the following configurations: 1 input x 8 outputs (stereo) 4 inputs x 4 outputs (mono)
  • Page 6: Connection Examples

    R a d i o S y s t e m s , I n c . D A - 2 / 4 x 4 b M a n u a l 5 / 0 7 P a g e...
  • Page 7: Parts Layout Power Supply

    R a d i o S y s t e m s , I n c . D A - 2 / 4 x 4 b M a n u a l Parts Layout Power Supply 5 / 0 7 P a g e...
  • Page 8: Parts Layout Amplifier

    R a d i o S y s t e m s , I n c . D A - 2 / 4 x 4 b M a n u a l Parts Layout Amplifier 5 / 0 7 P a g e...
  • Page 9: Parts List Power Supply

    R a d i o S y s t e m s , I n c . D A - 2 / 4 x 4 b M a n u a l Parts List Power Supply Part # Qty. Description Reference Designation 16298 DA 4X4B POWER SUPPLY DETAIL...
  • Page 10: Parts List Amplifier

    R a d i o S y s t e m s , I n c . D A - 2 / 4 x 4 b M a n u a l Parts List Amplifier Part # Qty. Description Reference Designation 16295 DA 4X4B SMT DETAIL 16019...
  • Page 11: Specifications

    R a d i o S y s t e m s , I n c . D A - 2 / 4 x 4 b M a n u a l Specifications Frequency Response +0, -.1dB 20Kz – 20kHz Distortion THD + N .002% over 20Hz –...
  • Page 12: Using Active Balanced Circuitry

    R a d i o S y s t e m s , I n c . D A - 2 / 4 x 4 b M a n u a l Using Actve Balanced Circuitry Balanced lines have been used for many years and are in continuing use today because of their immunity to stray pickup.
  • Page 13 R a d i o S y s t e m s , I n c . D A - 2 / 4 x 4 b M a n u a l connections described above without duplicating the ground connection. Between pieces of active balanced stereo equipment, then, 5 shielded conductors should be run.
  • Page 14: Warranty

    During the warranty period, there will be no charge for parts or service made to units which show no sign of misuse by customer or lightning caused damage. The customer is responsible for the cost of shipping their unit back to Radio Systems for repair.
  • Page 15: Declaration Of Conformity

    I n c . D A - 2 / 4 x 4 b M a n u a l Declaration of Conformity Radio Systems, Inc. 601 Heron Drive Logan Township, NJ 08085 USA Declare under our sole responsibility that the product listed below: Audio Amplifier –...
  • Page 16 For Assy: Part# DA-4x4b 5/07 601 Heron Drive Logan Township, NJ 08085 Phone: 856-467-8000 Fax: 856-467-3044 http://www.radiosystems.com...

This manual is also suitable for:

Da 4x4b

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