MCM Electronics

Automatic A/B Speaker Level Switch CTL02002MCM Part #: 50-8390  |  Speakercraft Part #: SL-ONE

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Automatic Speaker A/B Source Switch
This switching device automatically selects between two stereo amplifiers to a single pair of speakers. It is perfect in situations where installed speakers are used with both a local stereo or home theater system, and a distributed audio system.

Default Input–A is selected when no signal is present. When a signal is sensed at Input–B, the selector automatically switches to that input. A separate 12VDC, 100mA signal is also provided to trigger other external devices.

Product Description

  • Trigger sensitivity is fully adjustable from 30~300mV
  • Off-delay (from B back to A after absence of signal) is adjustable in eight steps from 0.5 seconds to 10 minutes
  • Relay contacts are 4PDT, with isolated L/R ground paths
  • Music power capacity is 100W
  • The unit requires 12VDC, AC adaptor sold separately, MCM Model #50-8362

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Package Specifications & Dimensions
Weight:0.32 lbs.
Hazardous:No
Warranty:1825 days
Need to Return?
Length:5 in.
Width:3.5 in.
Height:1.5 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages
Catalog/Page:

MCM Cat 57, Page 297

MCM Cat 56, Page 017

PDF Reference

Requires Adobe Acrobat Reader.

Mfr. Info

Speakercraft Logo
Mfr. Name:Speakercraft
Mfr. Part Number:SL-ONE