[R-390] 6C4? 6C4W? 6C4WA?

[WF2U]

The Russian 6C4P (6Ц4П) tube is equivalent to the European EZ80 and US type 6V4 dual rectifier tube.

73, Meir WF2U
Landrum, SC

> -----Original Message-----
> From: r-390-bounces at mailman.qth.net
> [mailto:r-390-bounces at mailman.qth.net]On Behalf Of Tim Shoppa
> Sent: Wednesday, April 19, 2006 8:22 AM
> To: r-390 at mailman.qth.net
> Subject: Re: [R-390] 6C4? 6C4W? 6C4WA?
> 
> 
> As long as we're talking about 6C4 types, I see in the mailing list
> archives a note from many years ago about the 6C4A being "Bad".
> 
> As far as I can figure out, the 6C4A is a transliteration from a Russian
> tube type that is also a general purpose triode, but with a rather
> different
> pinout. The tube itself is not marked 6C4A but the Cryllic letters are
> sometimes transliterated that way (I can't type Cryllic but what is
> supposedly a
> C looks more like a greek mu, and the A is more like a greek pi,
> sometimes
> this is transliterated into a "P"). These have
> shown up on E-bay from the well-known Ukranian sellers and there they
> note that they are not the same base as 6C4's!
> 
> It's vaguely possible that the FAQ has applied yet another layer of
> indirection on this.
> 
> Tim.
>
>