Here is a previous reply I found from Jay (who runs this wonderful resource).
“You can use any small-signal PNP silicon transistor. 2N3906, 2N2907,
etc. The circuit design is very forgiving as far as the difference in
voltage drop between germanium and silicon in this case.”
I personally use the 2N3906, only because they are cheap and plentiful in my area.
NTE also makes a cross for this but I don’t recall the number.
Mauro
Sent from my iPhone
> On May 20, 2023, at 10:58 AM, jukeboxman2--- via Jukebox-list <jukebox-list@lists.netlojix.com> wrote:
>
> What is the best transistor replacement for the Seeburg SHFA1 amplifier. The originals were the 2N109, unable to find. Thanks you
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