[AMPS] amp project: 4-400s X 4

[Peter Chadwick]

Marv says:

> Let's take up a (silicon) diode collection for Peter.  :-)

At least the tubes help keep the house warm - and with the current price of
heating oil, that's useful.............plus they cost NOTHING!

	>And some HV FET's too!

My dad bought that 6L6 in 1936, and I want his money's worth out of it!

>Have you tried it on a cold tube?  

Yes. It wouldn't play.

> If not, does your SPS have remote voltage sensing?

Indeed it does. I tried kidding it, but the thermal time constant is apparently
a bit too long: it tries to start and then when the electrolytic discharges,
drops out.

Heck, we're only talking 4 transistors (maybe 5) and a 741. All out of stock! No
purchase needed!

I remember when an apprentice, my old section leader in frustration saying:
'These bloody transistors! You need a handful of the damn things to do anything
you could do with a twin triode!'

73

Peter G3RZP



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