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Tubes
John R
runawaytruck
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Posts: 94
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Joined: May 2010
City: Albuquerque, NM
#2

02-05-2013, 12:38 PM
A 7N7 is a direct sub for the 7AF7. The only major difference is the 7N7 has a filament draw of 0.6 amps
vs 0.3 amps for the 7AF7. Is probably not a problem for your power transformer as tubes V4/V5 have a
seperate filament winding.
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Messages In This Thread
Tubes - by philco4me - 02-05-2013, 10:29 AM
RE: Tubes - by John R - 02-05-2013, 12:38 PM
RE: Tubes - by klondike98 - 02-05-2013, 12:45 PM



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  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration