In article ,
Jim Thompson wrote:
What primitive semiconductors did you use in the output stage, or was
it a toob device? Did we have 2N3055s in '75? I don't memember.

I'm trying to remember what semiconductors I used. But, IIRC,
2N3055's *were* available around that time.

Yup - Quad were using them in the 'late '60s in the 303.

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Dave Plowman London SW
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