"spwyatt"
The main problem is that both amps exhibit a low level but perfectly
audiable mains hum - even with their gains right down and nothing
plugged into the (XLR) inputs. Am I right in thinking it's reasonably
easy to fix by changing some capacitors? Any help greatly appreciated!!
** This article is worth reading:
http://www.mhennessy1.f9.co.uk/rogers/ls58.htm
Even if only as a warning.
........ Phil