Quote:
Originally Posted by 'LIVEWIRE?'
I have found that breakthrough from the internal radio(or cassette)audio is a problem with some radios & stereos. Fitting a 4-pole c/o switch for 'Radio/Aux' with the two 'spare' poles being used to short to ground the unwanted signal is a simple cure for this problem
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Further to the above, I am currently (10 May 2014) in the process of fitting an 'aux-in' jack to a Radiomobile 1085X, and have used an earphone socket salvaged from a scrap stereo for this purpose. With a 10k resistor in series with each channel, this set-up works well, but there is breakthrough, admittedly quite a few dB below the external signal level. Any suggestions as to how to eliminate this without adding an additional switch would be welcome.