Sparks Withington 581X

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Sparks Withington 581X

Arran
Phorum Expert

Posts: 4,705
Threads: 51
Joined: Sep 2008
City: Sandwick, BC, CA

#14

04-10-2017, 04:00 AM

Joe;
Mondial is right, that IF rejection coil is what other manufacturers called a "wave trap", basically a band reject filter that blocks RF interference. You don't need it anymore, I don't think that many sets used them past the early 40s. There doesn't seem to be anything on longwave anyhow other then some beacons, and I don't think any of those are at 400-500 KC.
Regards
Arran

(This post was last modified: 04-10-2017, 04:01 AM by Arran.)

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Messages In This Thread

Sparks Withington 581X - by Joe Rossi - 11-04-2016, 09:55 PM

RE: Sparks Withington 581X - by klondike98 - 11-05-2016, 09:32 AM

RE: Sparks Withington 581X - by Paul Philco322 - 11-05-2016, 10:53 AM

RE: Sparks Withington 581X - by Joe Rossi - 11-05-2016, 11:29 AM

RE: Sparks Withington 581X - by OldRestorer - 11-06-2016, 07:17 PM

RE: Sparks Withington 581X - by Arran - 11-07-2016, 05:05 AM

RE: Sparks Withington 581X - by Joe Rossi - 11-07-2016, 10:19 PM

RE: Sparks Withington 581X - by Paul Philco322 - 11-07-2016, 10:47 PM

RE: Sparks Withington 581X - by Arran - 11-08-2016, 06:18 AM

RE: Sparks Withington 581X - by Joe Rossi - 11-08-2016, 09:52 AM

RE: Sparks Withington 581X - by Joe Rossi - 04-09-2017, 06:20 PM

RE: Sparks Withington 581X - by Mondial - 04-09-2017, 07:27 PM

RE: Sparks Withington 581X - by Joe Rossi - 04-09-2017, 08:33 PM

RE: Sparks Withington 581X - by Arran - 04-10-2017, 04:00 AM

RE: Sparks Withington 581X - by Joe Rossi - 04-10-2017, 08:22 PM

RE: Sparks Withington 581X - by Joe Rossi - 10-21-2017, 06:17 PM

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