Just to let people know I've now added a couple of pages on the Sugden
C51/A51 combination to the audiomisc website. This includes the circuit
diagram for the A51, but I don't have one for the C51.

Slainte,

Jim

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Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm
Audio Misc http://www.audiomisc.co.uk/index.html
Armstrong Audio http://www.audiomisc.co.uk/Armstrong/armstrong.html