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Auto-off for Audio Gear Schematic Circuit Diagram
https://circuit-diagramz.com/auto-off-audio-gear-schematic-circuit-diagram/
The simple circuit shown can prevent this embarrassing situation by de-actuating a relay when no audio signal is detected for about two seconds. …
Turning Stereo Amplifer on and Off Automatically ...
https://www.instructables.com/Turning-Stereo-Amplifer-On-and-Off-automatically/
This circuit is the solution for you! It is pretty similar to another project I posted a while ago , but here it turns amplifier on and off. If source is playing then the unit will turn amplifier on by using the sending the remote infrared code to turn it on, and when idle for some time, the unit will send the power off remote infrared code to ...
Auto Off For Any Circuit | Hackaday
https://hackaday.com/2013/03/17/auto-off-for-any-circuit/
Wanting an auto-off circuit simple electronics, [Kyle] threw together this auto shutoff circuit. The basic idea behind the cirucuit is to use a …
Amplifier Timer: Auto off Timer Circuit » CircuitsZone.com
https://circuitszone.com/amplifier-timer-auto-off-timer-circuit/
Amplifier Timer: Auto off Timer Circuit Notes: Pair this amplifier timer circuit only in the left or right of the line out channel on the amplifier. The way you can put two RCA connectors in parallel, or using signals from both stereo channels. The time delay of this circuit can be modified by changing the value of R13 and / or C6.
Automatic Power Off Circuit Diagram | CircuitsTune
https://www.circuitstune.com/2015/09/auto-power-off-circuit-diagram.html
Automatic Power Off Circuit Diagram. It is an automatic power off circuit diagram. If you need to shut-off any electronic device after a set amount of time then this circuit can do that automatically; when you are even sleeping! For example this auto power off circuit can be used with garden/porch light, soldering iron/ glue gun or similar other devices to auto shut it off for …
Muting Circuits For Audio
https://www.sound-au.com/articles/muting.html
To un-mute the audio, a negative voltage is applied to the gate, turning off the JFET and removing the 'short' it creates. Unlike a relay, JFETs have significant resistance when turned on. The J11x series are often used as muting devices, and while certainly effective, the source impedance has to be higher than with a relay.
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