This 80's circuit uses germanium transistors like the AC125, AC151, AC163, 2N506 and others to excite a small speaker in a battery powered circuit. The transformer has a 1k primary.
This 80's circuit uses germanium transistors like the AC125, AC151, AC163, 2N506 and others to excite a small speaker in a battery powered circuit. The transformer has a 1k primary.
