1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Linear Mode
Philco 38-12
Radioroslyn
Phorum Expert
*****
Posts: 7,288
Threads: 268
Joined: Dec 2009
City: Roslyn Pa
#28

05-20-2011, 08:04 PM
Yup. Or even the primary of a small filament transformer. Just want to put a bit of inductance in the power supply. It works so much better than a resistor. The more inductance the less capacitance you'll need to get rid of the 60cy hum.
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 »


Messages In This Thread
Philco 38-12 - by radiola - 05-02-2011, 08:07 PM
Re: Philco 38-12 - by 7estatdef - 05-02-2011, 09:16 PM
Re: Philco 38-12 - by radiola - 05-02-2011, 10:19 PM
Re: Philco 38-12 - by 7estatdef - 05-02-2011, 11:20 PM
Re: Philco 38-12 - by radiola - 05-02-2011, 11:32 PM
Re: Philco 38-12 - by radiola - 05-03-2011, 01:33 AM
Re: Philco 38-12 - by 7estatdef - 05-03-2011, 06:24 AM
Re: Philco 38-12 - by radiola - 05-03-2011, 09:57 AM
Re: Philco 38-12 - by 7estatdef - 05-03-2011, 06:32 PM
Re: Philco 38-12 - by radiola - 05-03-2011, 08:58 PM
Re: Philco 38-12 - by 7estatdef - 05-03-2011, 09:48 PM
Re: Philco 38-12 - by radiola - 05-06-2011, 02:42 AM
Re: Philco 38-12 - by 7estatdef - 05-06-2011, 09:53 AM
Re: Philco 38-12 - by radiola - 05-06-2011, 06:02 PM
Re: Philco 38-12 - by 7estatdef - 05-06-2011, 07:43 PM
Re: Philco 38-12 - by radiola - 05-06-2011, 10:45 PM
Re: Philco 38-12 - by radiola - 05-07-2011, 04:04 PM
Re: Philco 38-12 - by 7estatdef - 05-07-2011, 04:21 PM
Re: Philco 38-12 - by radiola - 05-09-2011, 09:46 PM
Re: Philco 38-12 - by radiola - 05-15-2011, 05:27 PM
Re: Philco 38-12 - by radiola - 05-18-2011, 07:21 PM
Re: Philco 38-12 - by 7estatdef - 05-18-2011, 08:04 PM
Re: Philco 38-12 - by radiola - 05-18-2011, 10:11 PM
Re: Philco 38-12 - by 7estatdef - 05-18-2011, 10:54 PM
Re: Philco 38-12 - by radiola - 05-19-2011, 10:45 PM
Re: Philco 38-12 - by 7estatdef - 05-20-2011, 08:56 AM
Re: Philco 38-12 - by radiola - 05-20-2011, 05:26 PM
Re: Philco 38-12 - by 7estatdef - 05-20-2011, 08:04 PM
Re: Philco 38-12 - by radiola - 05-20-2011, 09:20 PM
Re: Philco 38-12 - by 7estatdef - 05-20-2011, 10:10 PM
Re: Philco 38-12 - by radiola - 05-21-2011, 11:23 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Philco Model 80 Transformer resistance
Thanks for the quick reply! Hmm...well that's good, so what am I seeing that's 1042 ohms on the schematic for the pow...Mike L — 08:46 PM
Philco Model 80 Transformer resistance
The DC resistance of the primary is 8 to 9 Ohm.morzh — 07:54 PM
Philco Model 80 Transformer resistance
I have a feeling the primary winding on the power transformer is bad. My resistance reading on the primary side is 9 ohm...Mike L — 07:48 PM
Rusty Tuning Condenser
I would try Naval Jelly and use a soaked pipe cleaner to get it where it needs to go.RossH — 06:56 PM
38-10T chassis Restoration begins
Hello Dconant , they sold mica to use as a insulator between transistors and their heatsinks too. Rob I will remove th...radiorich — 02:52 PM
38-10T chassis Restoration begins
Thanks for the info guys. I always wondered why the use of mica. Now I know.dconant — 01:52 PM
38-10T chassis Restoration begins
Most common plastics have a dielectric constant in the 3-4 range whereas mica is around 6. This means that even if you w...Steve D — 01:46 PM
38-10T chassis Restoration begins
It is acceptable but not desirable. Plastic is not an approved cap dielectric, and even though a reasonably thick piece...morzh — 11:52 AM
38-10T chassis Restoration begins
I have a question about the mica sheets. I thought I saw somewhere on the Phorum where someone used thin plastic report ...dconant — 10:44 AM
38-10T chassis Restoration begins
Yes, you should carefully remove the mica sheets from the trimmers otherwise you risk trapping foreign material in the t...RodB — 10:34 AM

[-]
Who's Online
There are currently 2834 online users. [Complete List]
» 2 Member(s) | 2832 Guest(s)
AvatarAvatar

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