[Amps] The ongoing 4CX250B verbage!

[Steve Thompson]

exray at bellsouth.net wrote:

> Yes there are better tubes available today...but the old 4CX250 family is the granddaddy of all of them. If you come across a pair, and they should be inexpensive,  there are many good designs which have been published thru the years.
I reckon it's also a good apprenticeship. If you encounter the quirks 
that 4CX250s can throw at you, you'll learn a lot about tube amplifier 
design. Over here, you can buy them for the price of a beer or two so 
learning doesn't have to be tearful if things go wrong.

Steve