11-10-2016, 08:02 AM
The origins of that Ferguson amplifier might be in the article linked below, a full description is given, I've vaguely got it but not quite.
Audio mag, Oct. 1958, mag page 19:
http://www.americanradiohistory.com/Arch...58-Oct.pdf
Lawrence.
Audio mag, Oct. 1958, mag page 19:
http://www.americanradiohistory.com/Arch...58-Oct.pdf
Lawrence.







