I’ll be straight-up with you – most old receivers don’t yield a
bonanza of goodies. Rather, they’re a source of a handful of good bits. Some,
like the high-value capacitors from the power supply, can be put aside for later
projects while others, like the fuses and machine screws, can find a home in
your parts drawers.
Sometimes there are also a few heatsinks worthy of salvaging
and at other times the speaker output terminals are useful. But to be honest,
many hum-drum receivers aren’t worth the salvage effort.
There’s one main exception to that rule: if the receiver has an
analog centre-tuning meter for FM reception, an analog signal strength meter or
a bargraph-style LED power output meter, grab it. Why? – we’ll come to that in a