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1949 Motorola 5A9M
RodB
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Posts: 1,156
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Joined: Feb 2015
City: Roseville, MN
#20

3 hours ago
That's the Philco rf trap in a foreign radio. Resonant somewhere around the IF, it's a short to ground. You can just replace it with the cap or wind about 8 turns of insulated 20 AWG wire around the new cap, being sure to connect them in series.
(This post was last modified: 3 hours ago by RodB.)
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Messages In This Thread
1949 Motorola 5A9M - by klondike98 - 05-10-2025, 01:36 AM
RE: 1949 Motorola 5A9M - by Joe Rossi - 05-16-2025, 07:56 PM
RE: 1949 Motorola 5A9M - by Arran - 05-19-2025, 12:41 AM
RE: 1949 Motorola 5A9M - by Arran - 05-20-2025, 07:48 PM
RE: 1949 Motorola 5A9M - by klondike98 - 05-22-2025, 11:49 AM
RE: 1949 Motorola 5A9M - by klondike98 - 05-22-2025, 12:22 PM
RE: 1949 Motorola 5A9M - by Arran - 05-22-2025, 02:28 PM
RE: 1949 Motorola 5A9M - by GarySP - 05-22-2025, 05:46 PM
RE: 1949 Motorola 5A9M - by klondike98 - 05-22-2025, 07:40 PM
RE: 1949 Motorola 5A9M - by Arran - 05-22-2025, 10:05 PM
RE: 1949 Motorola 5A9M - by klondike98 - 05-22-2025, 11:56 PM
RE: 1949 Motorola 5A9M - by GarySP - 05-23-2025, 12:18 PM
RE: 1949 Motorola 5A9M - by MrFixr55 - 05-23-2025, 10:15 PM
RE: 1949 Motorola 5A9M - by klondike98 - Yesterday, 02:25 PM
RE: 1949 Motorola 5A9M - by klondike98 - Yesterday, 11:47 PM
RE: 1949 Motorola 5A9M - by Arran - Today, 01:02 AM
RE: 1949 Motorola 5A9M - by radiorich - Today, 02:04 AM
RE: 1949 Motorola 5A9M - by RodB - 3 hours ago



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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Other Radios (Non-Philco)