1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Other Radios (Non-Philco)
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Linear Mode
Power transformer in a 12 volt/25 volt radio?
Dennis Craft
Junior Member
**
Posts: 8
Threads: 0
Joined: Dec 2016
City: Scottsdale, Arizona
#22

12-19-2016, 01:55 PM
I agree with Charlie, switch to the 6 volt filament equivalents and use the 6W6 in lieu of the 25L6. The 6W6 output impedance is very close to the 25L6 which would help to preserve audio quality. I've done this in the past, but switching from 2 volt filaments to 6 volt versions. It still preserves the authenticity of the set until a correct transformer can be found. Maybe place a note inside the set as to what you have done and why.
Regards, Dennis
Find
« Next Oldest | Next Newest »


Messages In This Thread
RE: Power transformer in a 12 volt/25 volt radio? - by Dennis Craft - 12-19-2016, 01:55 PM



Users browsing this thread: 3 Guest(s)
[-]
Recent Posts
Philco 6K7
The suppressor grid (if by G3 you mean the S) is usually at the Cathode potential, which in this caes is GND. I am not ...morzh — 05:10 PM
Philco 16B Parts
Thanks for the reply. Unfortunately the radio was removed before bidding was over so I didn't get a chance to bid.dconant — 04:10 PM
Philco 16B Parts
Hi Dan, Mike is correct, there's a lot of painted stuff on the chassis but it looks pretty good. The sm is all there,sp...Radioroslyn — 03:50 PM
1930s Stromberg-Carlson Tombstone Radio need help identifying model number
Hi Cap'n Clock, Unfortunately, I do not have this radio.  This is a shame because this should be a good performer.  2A...captainclock1988 — 03:43 PM
Philco 42-390, code 121 speaker
Using a 5W  1.5k  ceramic resistor in place of the field coil and using a 4 ohm PM speaker, I was able to bring the radi...Stevelog — 02:57 PM
Philco 60 Squealing
I have taken out the 2nd IF and found a problem or not. I believe the coils are litz wire. There is a very small strand ...dconant — 02:13 PM
Philco 6K7
I am restoring a Philco 37-60. The am reception is very good, but the shortwave is very weak. Run 6 Philco removes the g...bobbyd1200 — 01:35 PM
1930s Stromberg-Carlson Tombstone Radio need help identifying model number
Hi Cap'n Clock, Unfortunately, I do not have this radio.  This is a shame because this should be a good performer.  2A5...MrFixr55 — 06:48 AM
American Bosch Model 802 auto radio
I think it would come under either American Bosch or United American Bosch. American Bosch made sets for the American We...Arran — 05:53 AM
trying to identify this wire type
Thanks to all for the feedback. As Arran said, it is probably an older replacement and yes it has a grid cap so I will ...georgetownjohn — 09:32 PM

[-]
Who's Online
There are currently 3972 online users. [Complete List]
» 2 Member(s) | 3970 Guest(s)
AvatarAvatar

>
  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Other Radios (Non-Philco)