Audios

 

 Circuit / Schematic diagram  Description


Telephone Conversation Recorder


Recorder is automatically switch on when the handset is lifted.

Telephone recorder Allows you to record audio from a telephone line into a tape recorder or computer soundcard
Telephone Record Control  
Simple Telephone taper It can be placed anywhere on the phone line and it will record any conversation on any phone on that line.
Telephone Head set  
Telephone Head set 2  
Telephone Amplifier Based on LM386 audio amplifier.
Telephone Transmitter Circuit when connected to phone line transmits the voice conversation using FM
Telephone Transmitter 2  
Telephone line audio interface  
Telephone line audio interface This device connects the telephone line to a home theater system or PA system

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