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

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

Linear Mode
1936 Model 600 Oscillaltor coil
Radioroslyn
Phorum Expert
*****
Posts: 7,303
Threads: 269
Joined: Dec 2009
City: Roslyn Pa
#1

01-05-2010, 06:04 AM
I started working on it only to find that osc coil is open. Got to thinking how hard would it be to make a replacement? I've got a bunch of national XR-50 form (1/2" slug tuned) and wire from 30G down to 50G. Tuning cap is about 365mmfd + 20mmfd for the trimmer. Osc needs to tune 1010kc to 2260kc. The original uses the grid /plate for feedback. Wouldn't be apposed to changing it to a grid cathode circuit like most AA5's. Any ideas on how many turns for the windings? I don't mind experimenting and have jig I can wind the coil in with a turns counter.
Looking forward to hearing any comments.
Terry
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry
Find
« Next Oldest | Next Newest »
Thread Closed


Messages In This Thread
1936 Model 600 Oscillaltor coil - by 7estatdef - 01-05-2010, 06:04 AM
The saga continues.... - by 7estatdef - 01-14-2011, 07:59 PM
RR was right - by 7estatdef - 01-20-2011, 07:30 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
46-1213 Schematic Question
Gary, Thanks for the reply!  I have no intention of introducing any electric to my radio until I recap it.  I just want...MissouriLarry — 02:14 PM
46-1213 Schematic Question
Hi Larry, Usually you'll want to attach the hot side of the power line cord to the power switch. That way when the s...RodB — 02:06 PM
1934 American Bosch 440T restore on YouTube
That's an interesting radio Buzz! Great first video also...Eliot Ness — 01:59 PM
46-1213 Schematic Question
Hello Larry. Replacement of the power cord is a priority, but not the first. All paper and electrolytic capacitors nee...GarySP — 01:36 PM
46-1213 Schematic Question
Ok, now is time to post my first question.  I have a Philco 46-1213 that I am going to start working on here real shortl...MissouriLarry — 12:48 PM
Another amp build - here I go again!
Well, never enough yet how much is too much? I ordered some spare parts from a couple vendors in China and now have ship...TV MAN — 10:49 AM
A Marconi model 86
This Marconi was a bit of a challenge. It was totally missing one electrolytic  capacitor, and the photos show a couple ...Dan Walker — 10:48 AM
Philco 42-345 Restoration/Repair
With regard to the speaker, unless the cone is so brittle that it crumbles as soon as you touch it I would try to repair...Arran — 04:07 AM
Philco 42-345 Restoration/Repair
That silver can capacitor is an aluminum electrolytic. You should replace it with an aluminum electrolytic with the valu...RodB — 11:46 PM
Philco 42-345 Restoration/Repair
Thank you Rodb and Gary for helping with clarification on these capacitors. Other than the Tiny 630volt one I'm not sure...osanders0311 — 10:17 PM

[-]
Who's Online
There are currently 404 online users. [Complete List]
» 3 Member(s) | 401 Guest(s)
AvatarAvatarAvatar

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