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Philco 91-121 sensitivity
Ron Ramirez
Silent Key
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Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand State, Province, Country: Indiana
#17

11-01-2017, 12:48 PM
This sounds like either someone adapted the model 15 local-distance circuit to a 91, or else this is yet another of those undocumented factory mods.

Take a look at the model 15 schematic and see if the switching circuit is the same:

http://www.philcoradio.com/images/phorum/schem/15.jpg
--
Ron Ramirez
Ferdinand IN
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Messages In This Thread
Philco 91-121 sensitivity - by grandntl - 10-05-2017, 03:41 PM
RE: Philco 91-121 sensitivity - by Ron Ramirez - 10-05-2017, 03:58 PM
RE: Philco 91-121 sensitivity - by Radioroslyn - 10-05-2017, 05:34 PM
RE: Philco 91-121 sensitivity - by grandntl - 10-06-2017, 08:51 AM
RE: Philco 91-121 sensitivity - by Radioroslyn - 10-06-2017, 10:19 AM
RE: Philco 91-121 sensitivity - by grandntl - 10-06-2017, 12:49 PM
RE: Philco 91-121 sensitivity - by Radioroslyn - 10-06-2017, 01:22 PM
RE: Philco 91-121 sensitivity - by grandntl - 10-06-2017, 02:28 PM
RE: Philco 91-121 sensitivity - by Radioroslyn - 10-06-2017, 03:26 PM
RE: Philco 91-121 sensitivity - by grandntl - 10-06-2017, 05:59 PM
RE: Philco 91-121 sensitivity - by Radioroslyn - 10-06-2017, 07:39 PM
RE: Philco 91-121 sensitivity - by grandntl - 10-27-2017, 03:32 PM
RE: Philco 91-121 sensitivity - by grandntl - 10-28-2017, 08:41 AM
RE: Philco 91-121 sensitivity - by grandntl - 10-29-2017, 12:29 PM
RE: Philco 91-121 sensitivity - by Radioroslyn - 10-29-2017, 01:48 PM
RE: Philco 91-121 sensitivity - by grandntl - 11-01-2017, 10:29 AM
RE: Philco 91-121 sensitivity - by Ron Ramirez - 11-01-2017, 12:48 PM
RE: Philco 91-121 sensitivity - by klondike98 - 11-01-2017, 01:42 PM
RE: Philco 91-121 sensitivity - by grandntl - 11-02-2017, 10:08 AM
RE: Philco 91-121 sensitivity - by grandntl - 11-14-2017, 02:16 PM
RE: Philco 91-121 sensitivity - by klondike98 - 11-14-2017, 02:39 PM



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