Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12) x

Thread Closed
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

RCA R-73 RESTORATION
#13

Hi Arran and Morzh,

If those GE sets were built between 1931 and 1934, they were built by RCA. My GE S-22A is an RCA. The GE label is slapped right over the RCA R-7a label. Same with the Westinghouse version. Those W'house Columnaires were Radiola 80s with a clock. My S22 has Marshon wet electrolytics, but your filters are in the "Cap Pack located on the left front of the chassis. RCA did use dry 'lytics in some sets in 1933. (my R-28 has a dry lytic cap. Hope that the Cap Pack is not potted but I don't hold much hope for that. Per the RCA Red Book for the R73 has filters of 12uF before the field coil and 8uF after. Field coil is in the B- leg of the power supply instead of the B+ which was RCAs habit for previous models like the Radiola 80

Frequencies higher than about 1,550KHz were reserved for police and marine bands. Only after they moved police up to FM did they extend the range of the broadcast band to 1,700 KHz That's why the R73 tops out at that frequency.

"Do Justly, love Mercy and walk humbly with your God"- Micah 6:8
"Let us begin to do good"- St. Francis

Best Regards, 

MrFixr55


Messages In This Thread
RCA R-73 RESTORATION - by morzh - 02-19-2023, 05:11 PM
RE: RCA R-73 RESTORATION - by Brad Winder - 02-19-2023, 07:25 PM
RE: RCA R-73 RESTORATION - by morzh - 02-19-2023, 08:32 PM
RE: RCA R-73 RESTORATION - by David - 02-19-2023, 08:39 PM
RE: RCA R-73 RESTORATION - by GarySP - 02-19-2023, 10:03 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-19-2023, 10:20 PM
RE: RCA R-73 RESTORATION - by radiorich - 02-19-2023, 11:49 PM
RE: RCA R-73 RESTORATION - by morzh - 02-20-2023, 09:50 AM
RE: RCA R-73 RESTORATION - by Eliot Ness - 02-20-2023, 11:28 AM
RE: RCA R-73 RESTORATION - by morzh - 02-20-2023, 02:03 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-20-2023, 03:15 PM
RE: RCA R-73 RESTORATION - by Arran - 02-20-2023, 03:41 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-20-2023, 08:02 PM
RE: RCA R-73 RESTORATION - by Ron Ramirez - 02-20-2023, 08:44 PM
RE: RCA R-73 RESTORATION - by GarySP - 02-20-2023, 11:19 PM
RE: RCA R-73 RESTORATION - by morzh - 02-21-2023, 01:08 PM
RE: RCA R-73 RESTORATION - by Arran - 02-21-2023, 04:45 PM
RE: RCA R-73 RESTORATION - by morzh - 02-25-2023, 08:24 PM
RE: RCA R-73 RESTORATION - by GarySP - 02-26-2023, 01:54 PM
RE: RCA R-73 RESTORATION - by morzh - 02-26-2023, 03:03 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-26-2023, 10:42 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-26-2023, 11:02 PM
RE: RCA R-73 RESTORATION - by Arran - 02-26-2023, 11:22 PM
RE: RCA R-73 RESTORATION - by morzh - 02-26-2023, 11:31 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-27-2023, 01:01 AM
RE: RCA R-73 RESTORATION - by radiorich - 02-27-2023, 02:25 AM
RE: RCA R-73 RESTORATION - by morzh - 02-27-2023, 09:19 AM
RE: RCA R-73 RESTORATION - by Arran - 02-28-2023, 05:48 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-28-2023, 08:24 PM
RE: RCA R-73 RESTORATION - by morzh - 03-01-2023, 08:39 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-04-2023, 11:19 PM
RE: RCA R-73 RESTORATION - by radiorich - 03-04-2023, 11:50 PM
RE: RCA R-73 RESTORATION - by morzh - 03-05-2023, 01:44 PM
RE: RCA R-73 RESTORATION - by morzh - 03-05-2023, 09:58 PM
RE: RCA R-73 RESTORATION - by morzh - 03-05-2023, 11:10 PM
RE: RCA R-73 RESTORATION - by radiorich - 03-06-2023, 08:57 AM
RE: RCA R-73 RESTORATION - by RodB - 03-06-2023, 09:37 AM
RE: RCA R-73 RESTORATION - by morzh - 03-06-2023, 11:11 AM
RE: RCA R-73 RESTORATION - by morzh - 03-06-2023, 12:54 PM
RE: RCA R-73 RESTORATION - by morzh - 03-06-2023, 01:06 PM
RE: RCA R-73 RESTORATION - by RadioSvit - 03-06-2023, 01:13 PM
RE: RCA R-73 RESTORATION - by RadioSvit - 03-06-2023, 01:23 PM
RE: RCA R-73 RESTORATION - by morzh - 03-06-2023, 02:31 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-06-2023, 06:04 PM
RE: RCA R-73 RESTORATION - by Chas - 03-06-2023, 07:48 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-07-2023, 06:21 AM
RE: RCA R-73 RESTORATION - by morzh - 03-07-2023, 11:53 AM
RE: RCA R-73 RESTORATION - by morzh - 03-09-2023, 04:31 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-10-2023, 01:10 AM
RE: RCA R-73 RESTORATION - by RadioSvit - 03-10-2023, 05:24 AM
RE: RCA R-73 RESTORATION - by morzh - 03-12-2023, 04:38 PM
RE: RCA R-73 RESTORATION - by morzh - 03-14-2023, 10:32 PM
RE: RCA R-73 RESTORATION - by RodB - 03-15-2023, 10:14 AM
RE: RCA R-73 RESTORATION - by morzh - 03-15-2023, 02:34 PM
RE: RCA R-73 RESTORATION - by morzh - 03-18-2023, 01:43 PM
RE: RCA R-73 RESTORATION - by morzh - 03-19-2023, 09:52 PM
RE: RCA R-73 RESTORATION - by morzh - 03-20-2023, 09:16 PM
RE: RCA R-73 RESTORATION - by Arran - 03-21-2023, 12:48 AM
RE: RCA R-73 RESTORATION - by morzh - 03-21-2023, 08:34 AM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-22-2023, 08:09 AM
RE: RCA R-73 RESTORATION - by Ron Ramirez - 03-22-2023, 10:10 AM
RE: RCA R-73 RESTORATION - by morzh - 03-22-2023, 01:30 PM
RE: RCA R-73 RESTORATION - by Arran - 03-22-2023, 04:59 PM
RE: RCA R-73 RESTORATION - by morzh - 03-22-2023, 07:22 PM
RE: RCA R-73 RESTORATION - by morzh - 03-22-2023, 11:30 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-23-2023, 05:45 PM
RE: RCA R-73 RESTORATION - by Ron Ramirez - 03-23-2023, 07:18 PM
RE: RCA R-73 RESTORATION - by morzh - 03-23-2023, 08:47 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-24-2023, 08:35 AM
RE: RCA R-73 RESTORATION - by Ron Ramirez - 03-24-2023, 09:10 AM
RE: RCA R-73 RESTORATION - by Chas - 03-24-2023, 10:19 AM
RE: RCA R-73 RESTORATION - by morzh - 04-01-2023, 05:20 PM
RE: RCA R-73 RESTORATION - by morzh - 04-01-2023, 05:26 PM
RE: RCA R-73 RESTORATION - by morzh - 04-08-2023, 04:04 PM
RE: RCA R-73 RESTORATION - by morzh - 04-12-2023, 09:18 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 04-13-2023, 09:47 AM
RE: RCA R-73 RESTORATION - by morzh - 04-13-2023, 10:31 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 04-14-2023, 07:28 AM
RE: RCA R-73 RESTORATION - by morzh - 04-14-2023, 06:48 PM
RE: RCA R-73 RESTORATION - by morzh - 05-07-2023, 02:31 PM
RE: RCA R-73 RESTORATION - by morzh - 05-21-2023, 03:45 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 05-21-2023, 11:09 PM
RE: RCA R-73 RESTORATION - by morzh - 05-22-2023, 01:16 PM
RE: RCA R-73 RESTORATION - by RadioSvit - 05-22-2023, 01:40 PM
RE: RCA R-73 RESTORATION - by morzh - 05-22-2023, 02:19 PM
RE: RCA R-73 RESTORATION - by morzh - 05-27-2023, 07:46 PM
RE: RCA R-73 RESTORATION - by Joe Rossi - 05-27-2023, 08:15 PM
RE: RCA R-73 RESTORATION - by morzh - 05-27-2023, 09:24 PM
RE: RCA R-73 RESTORATION - by Ron Ramirez - 05-27-2023, 09:29 PM
RE: RCA R-73 RESTORATION - by morzh - 05-27-2023, 09:41 PM
RE: RCA R-73 RESTORATION - by Steve Davis - 05-27-2023, 10:20 PM
RE: RCA R-73 RESTORATION - by morzh - 05-27-2023, 10:29 PM
RE: RCA R-73 RESTORATION - by Arran - 05-28-2023, 12:54 AM
RE: RCA R-73 RESTORATION - by RadioSvit - 05-28-2023, 05:14 AM
RE: RCA R-73 RESTORATION - by morzh - 05-28-2023, 09:55 AM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
PT 6 chassis screws size???
Hello bridKarl, that sounds right or maybe 8/32 . Sincerely Richardradiorich — 01:00 AM
PT 6 chassis screws size???
Have this done except for missing chassis screws. It looks like 1 inch 6/32 sheet metal screw may work but can anyone s...bridkarl — 10:32 PM
Philco model 38 code 121 not receiving signal.
Hello Stormlord, Well done on rewinding that coil it turned fairly good for your first one. Sincerely Richardradiorich — 09:12 PM
Philco model 38 code 121 not receiving signal.
Well here it is. It ain't pretty, but hopefully it'll work. I checked it with my DMM on continuity and it keeps and r...Stormlord5500 — 08:56 PM
Philco 42-345 Restoration/Repair
Yes, 57 is an electrolytic cap that should be 12 mfd 400 volts according to the parts list from the Phorum library schem...RodB — 06:01 PM
Philco 42-345 Restoration/Repair
Looks like if I am reading it correctly it looks like the silver capacitor#57 that appears to be a replacement is of a l...osanders0311 — 05:09 PM
Philco model 38 code 121 not receiving signal.
Thanks Arran. Yeah this plastic is pretty thin. It's a little thinner than the original stuff. It kinda reminds me of p...Stormlord5500 — 04:37 PM
Testing a speaker and output transformer Trutone A2-G
The equivalent of one short turn is basically the same as that of a shorted load. If it is the primary's turn, then the ...morzh — 03:53 PM
Testing a speaker and output transformer Trutone A2-G
I've never had an output transformer become shorted, the failure mode is usually an open primary, or in a center tapped ...Arran — 03:52 PM
Philco model 38 code 121 not receiving signal.
As long as the plastic sheeting isn't too thick, I think that the thickness of photographic film would be just about rig...Arran — 03:19 PM

[-]
Who's Online
There are currently no members online.

>