postheadericon How to Create a Stereo Auxiliary on an Old School Radio

This article is meant to explain how you can create an auxiliary input in a radio that doesn’t accept anything of the sort. In it, the hack the cassette deck for the aux. I did it in my car, but it will work with any radio that has a cassette. Your cassette deck will still work after this is done!

How to Create a Stereo Auxiliary on an Old School Radio

1 Yank out the radio.

How to Create a Stereo Auxiliary on an Old School Radio

2 Crack open the radio case and try to get at the read head of the cassette deck. It’s that unit in the center that runs against the tape. Alternatively you can find the first circuit board where the leads from the head go.

How to Create a Stereo Auxiliary on an Old School Radio

3 Either hack apart an old headphone lead, or preferably buy a 1/8 stereo jack and some wire and make one from scratch. This helps because old headphones have a weird coating that’s hard to solder. If you want to be fussy find out which lead is left and which is right. Mine was labeled on the circuit board.

How to Create a Stereo Auxiliary on an Old School Radio

4 Now solder the two upper leads to the read head. The tip of the jack is left, the middle bit right, and the base is ground. I attach the ground, but it works without it.

How to Create a Stereo Auxiliary on an Old School Radio

5 Now reinstall the radio and snake your new jack lead out a hole somewhere.

How to Create a Stereo Auxiliary on an Old School Radio

6 To activate the cassette function you must insert a tape.

How to Create a Stereo Auxiliary on an Old School Radio

7 Plug in your MP3 player or portable CD player or whatever fits a 1/8 jack, pop in the dead tape and enjoy.

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