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A comment on Ask HN: Most interesting tech you built for just yourself?. Parent comment

Re:Ask HN: Most interesting tech you built for just yourself? by schwartzworld on Friday April 28, 2023 @04:05PM (#35746409)
That's a product they sell. It looks like an audio cassette with an aux cord coming out of it. I used one for years in my old grand Marquis.
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Re:Ask HN: Most interesting tech you built for just yourself? by jacquesm on Friday April 28, 2023 @04:37PM (#35746806)
That just wires the speaker output of the device to a set of coils sitting right in front of the tape playback head. GP did an end run around that by wiring straight into the trace in between the head pre-amp and the main amp.
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