Dave xxxx wrote:

It was made by Andy Grove and is really just a big Quad II in fact so
close a copy early ones built in Bradford before production was moved
to China had the same problems early original Quad II had with
resistors.

That is dedication! Why didn't they copy a later model Quad II?
What were the problems?

People here have criticised Chinese transformers.
They (maybe not the same ones) have said that original Quad OPTs were
amongst the best.
So can we get Chinese transformers from the same factory that Quad does?

--
Eiron

I have no spirit to play with you; your dearth of judgment renders you
tedious - Ben Jonson.