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lt cdr data 17th June 2006 02:10 PM

pioneer m-22 schematic
anyone please? thanks

and are ring emitter transistors still available?

jacco vermeulen 17th June 2006 02:41 PM

The 4 Sanken 2SA747A/2SC1402 devices in the output stage of the M22 are not ring-emitters.
Data: 140V--8A--100W Pt--5 MHz Ft-- +30 Hfe

Ring-emitters have never been available in a TO3 package.

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