[Boatanchors] GRC-9 P.A. - 2E22 equiv?

[J. Forster]

The Audiophools have also "discovered" the 15E...  a pulse triode used in
the ring oscillators of WW II VHF RADARs.

SIGH!!

-John

=========



> Mark,
>
> FU7 appears to be an 807 clone, i.e., a heater type tube rather than
> having a filament:
> http://www.mif.pg.gda.pl/homepages/frank/sheets/095/f/FU7.pdf
>
> That /MIGHT/ be ok in CW mode.  However, the 2E22 has the suppressor
> grid brought out to pin 4 for modulation on AM.
>
> Why any moron would want to use a 2E22 for a high-fi amp totally escapes
> me.  They were pretty rare in the first place.
>
> Al
>
>
> On 8/24/2012 4:17 PM, Mark Foltarz wrote:
>> Group,
>>
>>       Anyone ever sub a 2E22 with a  FU7 ? ( yes, it's a real tube....)
>> Since the Audioidiots are building class A amps with the 2E22 they are a
>> wee bit scarce.
>>
>> de KA4JVY
>>
>> Mark
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>
> --
> Al Klase - N3FRQ
> Jersey City, NJ
> http://www.skywaves.ar88.net/
>
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