Thus spake Keith G:
snip

I'm afraid my seat also remains spectacularly unscorched by SS
amplification these days......

Although My brother drives his Radford BBC monitors (huge) with a 33/303, he
did use a Fisher valve amp. All that I can remember was the shiny gold front
panel surround, brushed gold panel & maroon coloured knobs (with gold
coloured caps!). Probably still in the loft.