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

1948 Philco C4608/ Mopar 802 radio
#9

Progress update. I've got my speaker done and it works great! Steve, I used your idea and removed some windings on voice coil to get it down to 4 ohms, thanks!
Problem is that now that I have correct speaker installed, I'm now back to having that loud hum I started out with using a P.M. speaker! It appears to be coming from the vibrator as it occurs even when I remove the rectifier tube. If I pull out the vibrator there is no hum. It also does it whether I use the new solid state vibrator or the old one that was in the set, but there is a slight change in tone on the old unit. Anyone know what could be causing this? I'm stumped Icon_wtf!


Messages In This Thread
RE: 1948 Philco C4608/ Mopar 802 radio - by morzh - 01-18-2018, 03:57 PM
RE: 1948 Philco C4608/ Mopar 802 radio - by 37silverstreak - 01-25-2018, 09:29 PM
jloban - by jloban - 06-16-2022, 10:22 PM



Users browsing this thread: 2 Guest(s)
[-]
Recent Posts
Jackson 715 not working
Now that you posted the schematic, I don't know why that Sprague electrolytic cap is across the meter, as it is not indi...MrFixr55 — 05:51 PM
HiFi (Chifi) tube amp build - but my own design.
What may be lacking in the PP Tube amps may be the 2nd harmonics, which some, especially RCA back in the day called &quo...MrFixr55 — 05:32 PM
Jackson 715 not working
Usually in an emission tester, the tube under test is measured as if it were a diode. So, some testers connect all the g...RodB — 04:17 PM
Restoring Philco 37-604C
Yep. F5 is green, D5 is Red. Red is Bad. Green is Clean.morzh — 01:30 PM
Jackson 715 not working
I did start to do that but I stalled out because I could not figure out how the grid and plate get voltage. In this diag...daveone23 — 11:52 AM
Restoring Philco 37-604C
(Insert Homer Simpson "DOPF" Here.) When all fails, look at the can. Took the Ron Ramirez advice, red Caig D...MrFixr55 — 09:23 AM
Philco 91 Speaker Replacement
From your text I am not sure if you intend to use the existing speaker with a resistor instead of the field coil. It wo...morzh — 08:44 AM
Philco 91 Speaker Replacement
My field coil is bad. I am still hoping to find an original, but if I can't I will go with a fitting Philco speaker, 125...dconant — 08:34 AM
Philco 91 Speaker Replacement
As Rod said, it is OK to use a fitting speaker, and then look for an original one. If you buy a Hammond 125 output tr...morzh — 08:15 AM
Philco 91 Speaker Replacement
Yes, I often have to substitute, then keep an eye out for an original. In the meantime, the radio is working and being e...RodB — 08:02 AM

[-]
Who's Online
There are currently 4593 online users. [Complete List]
» 1 Member(s) | 4592 Guest(s)
Avatar

>