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Excuse me for my late reply, but my pc refused to open instructables:sOn the PCB you can see the two traces on the bottom left passing a resistor and ending at one pin of the electromagnet. The G (ground probably) is traced to the other pin of the magnet. It seemed logically to me that to make it stereo I had to solder the Left wire to the bottom right and the common ground to the top left+right. Sorry for the messy soldering, but before I wanted to solder it nicely, I wanted to try it first.
Hi, Thank you very much for your instructable! I bought a cheap cassette-adapter from china, but the downside was the mono sound... Resoldering some wires didn't do the trick,s o I bought another one, which suffered from the same problem. I soldered the electronics correctly, but I still keep hearing mono sound. Any idea what the problem might be?
I bought the one with the black cable first, the one with the red cable later.The paint sketch is the original situation in both of the adapters.
I bought the one with the black cable first, the one with the red cable later.In the attached paint sketch you can see the original situation: both wires soldered to one side of the electromagnet. I assumed the other side would be symmetric, so I soldered the left end of the circuit to the upper left pin, the right end to the upper right pin and the ground pins, well, to the ground of the circuit.