This is the Collins Equipment Section of
The Broadcast Archive

Maintained by:
Barry Mishkind - The Eclectic Engineer
Last updated 8/8/06




Dave Hultsman recalls: The 550A-1 was a solid performer, essentially a little brother to the 20V series.
550A-1 schematic

Our thanks to Dave Hultsman for his recollections and help in gathering pictures and information.

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