Model 20A philco very poor grille, restore or replace?

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Model 20A philco very poor grille, restore or replace?

Arran
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Posts: 4,950
Threads: 54
Joined: Sep 2008
City: Sandwick, BC, CA

#18

02-11-2014, 12:15 AM

A 25 cycle set will run fine on 60 cycles, better actually, I'm not sure where the idea came from that they would not. Half of the sets I own have 25 cycle transformers in them, they typically have a larger iron core to reduce saturation, and they also had larger value filter caps and chokes to remove the 50 cycle ripple as opposed to the 120 cycle ripple in a 60 cycle set.
Regards
Arran

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Messages In This Thread

Model 20A philco very poor grille, restore or replace? - by Jamesm - 01-10-2014, 01:07 PM

RE: Model 20A philco very poor grille, restore or replace? - by tab10672 - 01-11-2014, 12:43 AM

RE: Model 20A philco very poor grille, restore or replace? - by Arran - 01-11-2014, 01:57 AM

RE: Model 20A philco very poor grille, restore or replace? - by Jamesm - 01-11-2014, 04:08 PM

RE: Model 20A philco very poor grille, restore or replace? - by OldRestorer - 01-17-2014, 11:16 AM

RE: Model 20A philco very poor grille, restore or replace? - by tab10672 - 01-17-2014, 01:50 PM

RE: Model 20A philco very poor grille, restore or replace? - by Jamesm - 01-17-2014, 10:02 PM

RE: Model 20A philco very poor grille, restore or replace? - by tab10672 - 01-18-2014, 11:20 AM

RE: Model 20A philco very poor grille, restore or replace? - by dfields69 - 02-09-2014, 02:31 PM

RE: Model 20A philco very poor grille, restore or replace? - by Jamesm - 02-09-2014, 02:40 PM

RE: Model 20A philco very poor grille, restore or replace? - by Jamesm - 02-09-2014, 02:44 PM

RE: Model 20A philco very poor grille, restore or replace? - by dfields69 - 02-09-2014, 03:10 PM

RE: Model 20A philco very poor grille, restore or replace? - by Jamesm - 02-09-2014, 03:14 PM

RE: Model 20A philco very poor grille, restore or replace? - by tab10672 - 02-09-2014, 03:50 PM

RE: Model 20A philco very poor grille, restore or replace? - by Jamesm - 02-09-2014, 04:07 PM

RE: Model 20A philco very poor grille, restore or replace? - by Jamesm - 02-09-2014, 04:10 PM

RE: Model 20A philco very poor grille, restore or replace? - by Jamesm - 02-09-2014, 04:15 PM

RE: Model 20A philco very poor grille, restore or replace? - by Arran - 02-11-2014, 12:15 AM

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