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Linear Mode
Base 7S or 7AC
Phlogiston
Radio-Fixer-Upper
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Posts: 2,118
Threads: 112
Joined: Jun 2010
City: Medford OR (OR what?)
#3

11-03-2017, 09:57 PM
Ok. I see that now on RM. My 1966 RCA tube manual (25) does not list the 8417, so I got the base off of another site. I guess that site is wrong. Still I wonder why 7S and 7AC are drawn the same - and we might never know.

So I don't think that I'll try that tube.

Thanks
"I just might turn into smoke, but I feel fine"
http://www.russoldradios.com/
(This post was last modified: 11-04-2017, 12:24 PM by Phlogiston.)
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Messages In This Thread
Base 7S or 7AC - by Phlogiston - 11-03-2017, 04:30 PM
RE: Base 7S or &AC - by Ron Ramirez - 11-03-2017, 08:00 PM
RE: Base 7S or &AC - by Phlogiston - 11-03-2017, 09:57 PM



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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Vintage Hi-Fi, Stereo and Audio