26 Feb
2010
26 Feb
'10
9:33 p.m.
On Fri, Feb 26, 2010 at 2:26 PM, Tony Duell <ard at p850ug1.demon.co.uk> wrote:
Ah, TV sets over here rarely had power transformers at
all... Every valved
monochrome TV Iv'e worked on... had a 300mA series string of valve heaters
and got the B+ line by half-wave rectifying the mains.
Sure, but your mains were twice the voltage of our mains.
-ethan