Joe wrote:

I just managed to get hold of unbuilt Heathkit alarm clock GC-1107.
The electrolytics were dry and the speaker is shot.
Finding replacement caps was easy, but does anyone here know the impedance
of this 2,5" speaker?
Is it "normal" 8 ohms or something more exotic?


Try resoldering the flexible wires at the terminal strip. I have
seen a few new speakers that size with bad joints. It is a Litz type of
wire, and hard to tin if it isn't really clean. Also, I have seen pocket
joints where the terminal was hot enough for the solder to wet, but the
wire is barely touching the other side.

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