[ARC5] 6SS7

[wb3fau55 at neo.rr.com]

I am pretty sure the 6SS7 was  also used in Hammarlund HQ-129X receivers as   IF amps.
---- Bill Cromwell <wrcromwell at gmail.com> wrote: 
> On Wed, 2013-02-06 at 09:20 -0500, Robert Eleazer wrote:
> > I have been investigating my collection of five Detrola 438 receivers, sometimes known as the BC-1206.  I have found I have three separate varieties, and more on that later.
> > 
> > But in the only set that works I have found a tube I have never seen or heard of before, a 6SS7.  I thought at first it was a bad label, despite that the marking is quite clear, but I can also seen the tube type embossed in the metal, so that is indeed what it is.  It appears that the other sets have a 6SK7 (2) in that spot, or else an unknown glass Ken Rad tube (2).
> > 
> > Anyone ever hear of a 6SS7?
> > 
> > Thanks,
> > 
> > Wayne  
> 
> 
> Hi,
> 
> Some of the tube characteristics may vary a little but it's a drop in
> replacement for a 6SK7. See:
> 
> http://www.nj7p.org/Common/Tube/SQL/Tube_query.php?Type=6ss7
> 
> I have a radio or two around here somewhere with *SS7 tubes where the
> *SK7 once lived. Heater requirements are different so don't stuff into a
> series string where 6SK7 lived. Plate dissipation is somewhat lower,
> too. For an IF amp that is probably not an issue.
> 
> 73,
> 
> Bill  KU8H
> 
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