[ARC5] 6SS7

[john rose]

The HQ129x I had many years ago had 2 (I think) in the IF. The 'Stanley Stanley' has more gain than the 'Stanley Kilo' along with less noise and about half the heater current. If all the tube heaters are in parallel, they are essentially interchangeable.
 > From: releazer at earthlink.net
> To: arc5 at mailman.qth.net
> Date: Wed, 6 Feb 2013 09:20:54 -0500
> Subject: [ARC5] 6SS7
> 
> 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  
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