Vinyl record player CW key

by OH6DC



Tired of listening to your old vinyl records? Create your own Morse code music with this kind of useful apparatus.




Put a piece of copper-clad pc-board on the platter. Remove the needle and add keying wires under the cartridge.




When the tone-arm is dropped down the wires make contact through the rotating pc-board.




Keying happens by moving this cueing lever. Because of the damper mechanism, the tone-arm drops and rises quite slowly as seen in this video clip:

  


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