That is a Harman product these days. My experience with them is that they are pretty supportive, even of legacy stuff.

https://medias.audiofanzine.com/file...ual-479799.pdf

Or: http://schems.com/bmampscom/crown/14...l%204-2010.pdf


Will be your schematic, or something close to it. Either of those links is searchable as well.


Customer service: 1 (800) 422-8027
Headquarters: Stamford, CT
Founded: 1953
Subsidiaries: JBL, AKG, Infinity Systems, MORE
Parent organization: Harman International

You might try the mother ship.

Peter Wieck
Melrose Park, PA