RDL ST-ACR1M - Mic-Level Audio Controlled Relay (0.5 to 5 Second Delay)

RDL ST-ACR1M - Mic-Level Audio Controlled Relay (0.5 to 5 Second Delay)

RDL ST-ACR1M - Mic-Level Audio Controlled Relay (0.5 to 5 Second Delay)

B&H # RDSTACR1M MFR # ST-ACR1M
RDL ST-ACR1M - Mic-Level Audio Controlled Relay (0.5 to 5 Second Delay)

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  • 1Description
The RDL ST-ACR1M is an audio controlled relay and part of RDL's "Stick-On" series of equipment. It is designed for reliable operation and quick, easy installation. The ST-ACR1M is designed to switch mic-level signals. Two multi-turn trimmers are provided, one for audio input sensitivity, and one for delay control.

The unit can be triggered from signals between -60 to -30 dBu, and an indicator LED allows accurate adjustments of the input sensitivity. The delay control sets the time delay for relay release when the audio drops below the pre-set threshold. The delay can be set from 0.5 to 5 seconds.
Small, compact unit can be easily mounted almost anywhere
Switching from mic signals
Accepts balanced or unbalanced signals
Silence sensing
DPDT switching contacts
Open-collector slave output
UPC: 813721011169
In the Box
RDL ST-ACR1M - Mic-Level Audio Controlled Relay (0.5 to 5 Second Delay)
  • 3 Year Limited Warranty
  • Table of Contents
    • 1Description
    Audio Input 10 k ohms Balanced Bridging
    Input Connections Balanced or Unbalanced
    Control Output Open-Collector @ 50mA Suitable to Drive Indicators or Slave LCR Relay
    Indicators Audio Threshold LED for Setting Sensitivity
    Retrigger Delay 250 ms
    Contacts Double-Pole, Double-Throw
    Switching Power 60W, 125 VAC (Max)
    Switching Voltage 220 VDC, 250 VAC (Max)
    Switching Current 2 A (Max)
    Carrying Current 3 A (Max)
    Activation Response Time 25 ms
    Input Sensitivity -60 dBu to -30 dBu (Adjustable, Provides Switching at a -20dB Threshold for Signals of -40 dBu to -10 dBu)
    Relay Release Delay 0.5 to 5 seconds (Multi-Turn Adjustable)
    Power Requirements 24 to 33VDC @ 50mA (Ground-Referenced)
    Dimensions (HxWxD) 1.6 x 3 x 0.7" (41 x 76 x 18 mm)
    Packaging Info
    Package Weight 0.2 lb
    Box Dimensions (LxWxH) 4.1 x 2.1 x 2.0"

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