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Relays for Switching Audio Signals - geofex.com
http://www.geofex.com/Article_Folders/relays/relays_for_switching_audio_signa.htm
Relays are some of the oldest switching parts available, butthey are misunderstood by many audio hackers. Here's a run down on the basicsand how to apply them. Relays are electro-magnetically activated switches. Literally,there is an …
Best Audio Relays | diyAudio
https://www.diyaudio.com/community/threads/best-audio-relays.153935/
Any thoughts on reed relays where there is a coil around th e relay contacts and you have audio (low level) passing through the middle. In a more traditional construction, the contact is operated via a mechanical coupling and th e signal does not pass through the coil.
Using relays for audio signal switching? | DiyMobileAudio ...
https://www.diymobileaudio.com/threads/using-relays-for-audio-signal-switching.435329/
You will be fine using relays as long as you can pass 5mA to 10mA through the contacts while active. You need enough whetting current to flow through the contacts to keep them from oxidizing. The DC current flowing through the contacts will not interfere.
Only Mechanical Relays Will Do For Automated Hi-Fi …
https://hackaday.com/2018/03/10/only-mechanical-relays-will-do-for-automated-hi-fi-audio-source-switching/
That is the philosophy that lies behind [Skrodahl]’s relay-based audio switching board, which boasts 5 high-quality relays each handling a stereo input, with their control passed either to a rotary...
Audio Controlled Relay – Model G623AUDIO | Lencore
https://www.lencore.com/documentation/data-sheets/audio-controlled-relay-g623audio/
Sound Masking Products i.Net Gold Classic System Comparison Paging & Audio MPI-2 Local Rack Unit – Model G1505 MPI-2 Global Rack Unit – Model G1510 Resources Case Studies Client List Data Sheets i.Net Data Sheets Gold Data Sheets Classic Data Sheets Specifications Installation Guides & User Manuals Application Notes Literature Training Programs
Amazon.com: RDL ST-ACR1 Line-Level Audio Controlled …
https://www.amazon.com/ST-ACR1-Line-Level-Audio-Controlled-Relay/dp/B004ZKY0FC
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. - Power Supply Not Included Product information
Switching Controlled by an Audio Signal | Radio Design Labs
https://www.rdlnet.com/blog/tips/switching-controlled-by-an-audio-signal/
RDL ST-ACR Series Audio Controlled Relays are used in any application where an audio signal must be used to create either a relay closure or Open-Collector output to control another piece of equipment or a circuit. Common applications include: Juke Box overrides Background Music AN-2024; Silence or “Dead Air” Sensor in broadcast environments
Audio signal through a relay a bad idea? | Headphone ...
https://www.head-fi.org/threads/audio-signal-through-a-relay-a-bad-idea.432218/
First: Using two relays (which is meant more for power applications, but wont hurt for headphones), both double throw - so that you can switch on or off both signals at once. The two relays are added in parallel, the second closing after the first has already closed.
audio grade relays? - the12volt.com
https://www.the12volt.com/installbay/forum_posts.asp?tid=104503
It has five wires on it: -One pair of RCA inputs "A" that are by default "on"; -One pair of RCA inputs "B" that switch when the coil of the relay is energized; -One pair of RCA outputs that connect to the downstream AMP; -One red wire Power / Trigger wire; -and one black GDN wire.
Relay causing click in audio signal - Gearspace.com
https://gearspace.com/board/geekzone/890153-relay-causing-click-audio-signal.html
If you have space, you could try muting the signal while the relay is switching. Use a Jfet that would ground the signal while the relay is turning. This is the most effective way to cancel all the pop noise. I have used this in some tubeamp channel switching designs. You can stretch the time of mute by using a small cap. ShareReplyQuote
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