RDL STACR2

ST-ACR2

OUR PART #:  STACR2 Write the First Review.

Our Price: $104.24
List Price: $139.43
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Each of the ST-ACR products is an Audio Controlled Relay in the group of STICK-ON series products by Radio Design Labs.
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Each of the ST-ACR products is an Audio Controlled Relay in the group of STICK-ON series products by Radio Design Labs. These products are designed for quick, convenient installation, and reliable operation in a variety of control applications.

ST-ACR2: This module is designed to switch on LINE-LEVEL sources, and has a longer release delay time making it the optimum choice for most music applications. The ST-ACR2 is widely used as a Silence Sensor.

Features:

  • High-impedance bridging input connects across anyaudio lineim
  • Input may be connected to either balanced orunbalanced sources
  • Multiturn sensitivity adjustment permits precisethreshold setting
  • Multiturn DELAY control adjusts relay release delay
  • Bandpass filtering yields triggering oncharacteristic audio spectrum
  • SLAVE open-collector terminal allows additional relays to be added for more contacts (Radio DesignLabs' ST-LCR1 or ST-LCR2)
  • SLAVE terminal may be used with remote switch to manually override the control circuit and turn on the relay

Specifications:

  • Audio Input: 10 kohm balanced bridging
  • Input Connections: May be connected balanced or unbalanced
  • Control Output: Open-collector @ 100 mA Suitable to drive indicators or Slave LCR's
  • Indicators: Audio threshold LED (for setting sensitivity level)
  • Retrigger Delay: approximately 250 ms
  • Relay Contacts: Double-Pole-Double-Throw
  • Maximum Switching Power: 60 W, 125 VA
  • Maximum Switching Voltage: 220 Vdc, 250 Vac
  • Maximum Switching Current: 2 A
  • Maximum Carrying Current: 3 A
  • Power Requirement: 24 to 33 Vdc @ 50 mA, Ground-Referenced
  • Input Sensitivity: Adjustable -30 dBu to 0 dBu This provides switching at a -20 dB threshold for signals of -10 dBu to +20 dBu
  • Relay Release Delay: Multiturn adjustable 5.0 sec. to 50.0 sec. nominal
  • Activation Response Time: 100 ms

NOTE:

Radio Design Labs' PS-24AS power supply is NOT included but is required in order to power this product. Please see the "Accessories" tab or click here for more information on the PS-24AS power supply.

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