[sdiy] Tube alert

[Oren Leavitt]

Looks like a set of tubes for a line-operated (power transformerless) 
radio. The heater voltages add up to 121V.

Oren

Tim Parkhurst wrote:
> Hi All,
> 
> Since I don't really play with tubes, I have no idea if this is a good deal
> but it seemed kind of neat...
> 
>>From http://www.alltronics.com/vacuum_tubes.htm
> 
> "ALL-AMERICAN FIVE-TUBE SET
> One each: 12SA7, 12SK7, 12SQ7, 35Z5GT, and 50L6GT. Tube types may be metal
> or glass and not in original boxes. All tested good.
> ALL-AM    Our Price $9.95/Set"
> 
> They have several other pages of tube listings also, including some wacky
> photomultipliers and a primitive character generator sort of type of thing
> (the electron beam scans a metal mask of the desired characters and creates
> a control signal that would impose the characters on a TV image...I think).
> Anyway, thought I'd pass it on for the tube freaks out there (talk about
> guys who have to worry about obsolete parts!) ;)
> 
> 
> 
> Tim (only parts of me are obsolete) Servo
> 
> "Imagination is more important than knowledge." - Albert Einstein
> "We love the moon, 'cause it is good to us!" - Sponge Monkeys
> 
> 
> 
> 
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