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RDL ST-ACR1 Line Level Audio Controlled Relay 0.5 to 5 s

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  • RDL ST-ACR1 Line Level Audio Controlled Relay 0.5 to 5 s
Price:
$117.55
SKU:
ST-ACR1
Brand:
RDL
Condition:
New
Shipping:
Calculated at checkout
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Product Description

This line level audio control is used in conjuction with other modules to control audio line volume.  The ST-ACR1 is used to switch on line level sources.

Two multiturn trimmers are provided. The SENS potentiometer adjusts the audio input sensitivity. A threshold LED facilitates accurate adjustment. The module can be set to trigger on signals between -30 dBu and 0 dBu. The DELAY control sets the time required for the relay to release when the audio drops below the threshold.

The delay adjustment range for the ST-ACR1 is from 0.5 seconds to 5 seconds.

  • Switching Controlled by Audio Signal
  • Sensing of Line-Level Signal
  • Silence Sensing
  • DPDT Switching Contacts
  • Open-Collector SLAVE Output

 

Application diagram of the ST-ACR1 used with the RU-VCA2 to control the alert in a fire house.

ST-ACR1 Application

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