RDL ST-ACR1 Line-Level Audio Controlled Relay, 0.5 to 5 Second Delay

RDL ST-ACR1

Generally ships in 7-14 days, subject to availability

Special Order

Generally ships in 7-14 days, subject to availability Estimated to Ship: 07/26/2025.

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Adorama Protect powered by Extend is available for purchases to customers in the United States only. Not available for international or U.S. territories purchases. Adorama Protect plans are available for ABS clients.

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Audio

Studio & Recording

Recording Studio Equipment

RDL Recording Studio Equipment

RDL ST-ACR1 

Shop the RDL ST-ACR1 Line-Level Audio Controlled Relay. Adjustable sensitivity, low noise, and reliable performance. Order yours today!

Bring precision and reliability to your audio control applications with the ST-ACR1 Line-Level Audio Controlled Relay, a standout member of the esteemed STICK-ON series. This high-quality device is engineered for efficient and user-friendly operation, making it a go-to solution for professionals seeking to manage audio signal delays with exactitude.Crafted with durability in mind, the ST-ACR1 is ideal for a wide array of environments, from bustling sound reinforcement systems to the meticulous settings of recording studios and the dynamic atmosphere of live performances. Its robust design ensures consistent performance, allowing you to switch on line-level sources with confidence.The ST-ACR1 is equipped with two precision multiturn trimmers that offer granular control over your audio setup. The SENS potentiometer allows for fine-tuning of the audio input sensitivity, ensuring your system responds accurately to the desired signal level. The intuitive threshold LED indicator aids in making precise adjustments, so you can achieve the perfect balance for your audio needs.With the ability to trigger on signals ranging from -30 dBu to 0 dBu, the ST-ACR1 provides the versatility required for a variety of audio applications. The DELAY control is particularly noteworthy, offering an adjustable time frame from 0.5 seconds to 5 seconds for the relay to release once the audio falls below the set threshold. This feature grants you the power to tailor the audio output with remarkable precision, making the ST-ACR1 a superior choice for those who demand exact timing and control.Choose the ST-ACR1 Line-Level Audio Controlled Relay for its blend of efficiency, user-friendliness, and the reliable quality synonymous with the RDL brand. Elevate your audio control experience with this essential tool that stands out for its precise delay adjustments and steadfast operation.

RDL ST-ACR1 Line-Level Audio Controlled Relay, 0.5 to 5 Second Delay

Key Features

Protect your gear with Adorama Protect.* Learn more

RDL ST-ACR1 Line-Level Audio Controlled Relay, 0.5 to 5 Second Delay

Save 5% Every Day†

Key Features

Protect your gear with Adorama Protect.* Learn more

Save 5% Every Day^†