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511 series AF transformers
Ron Ramirez
Silent Key
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Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand State, Province, Country: Indiana
#2

11-08-2008, 09:15 PM
Hi

While these can be rewound, modern replacements are available for the audio interstage transformers from a few sources. You will want transformers with a 1:3 ratio.

Or, you could change the audio interstage transformers to resistance coupling. Details here:
http://www.philcoradio.com/tech/audio.htm
Scroll down to "Modification C."
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Ron Ramirez
Ferdinand IN
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Messages In This Thread
511 series AF transformers - by Guest - 11-08-2008, 08:59 PM
Re: 511 series AF transformers - by Ron Ramirez - 11-08-2008, 09:15 PM
Re: 511 series AF transformers - by Guest - 11-09-2008, 01:25 PM



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