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
38-5 volume problem
r8i0
Junior Member
**
Posts: 9
Threads: 1
Joined: Dec 2014
City: south Mississippi
#15

12-18-2014, 11:33 PM
(12-18-2014, 11:05 PM)klondike98 Wrote:  Bill, you've got a lot more experience than I do so I doubt I can help much, but I feel your pain.  I've got an 84B that has a similar volume jumping around problem that I've yet to diagnose.  I've prodded for loose components; looked for cold solder joints;  cleaned dirty pots and tube pins but haven't located

Good evening,
Earlier today I replaced the pair of 6f6 tubes with a pair of 6v6 tubes and the problem got worse. The bounce went crazy. Big highs and low lows. I am going to concentrate on the output for now and will report the results.
R8i0
Find
« Next Oldest | Next Newest »
Thread Closed


Messages In This Thread
38-5 volume problem - by r8i0 - 12-14-2014, 08:46 PM
RE: 38-5 volume problem - by jerryhawthorne - 12-15-2014, 01:10 AM
RE: 38-5 volume problem - by Arran - 12-15-2014, 01:38 AM
RE: 38-5 volume problem - by r8i0 - 12-15-2014, 09:45 AM
RE: 38-5 volume problem - by r8i0 - 12-17-2014, 02:21 PM
RE: 38-5 volume problem - by r8i0 - 12-17-2014, 02:24 PM
RE: 38-5 volume problem - by klondike98 - 12-17-2014, 02:36 PM
RE: 38-5 volume problem - by r8i0 - 12-17-2014, 06:25 PM
RE: 38-5 volume problem - by KCMike - 12-17-2014, 07:07 PM
RE: 38-5 volume problem - by r8i0 - 12-17-2014, 07:38 PM
RE: 38-5 volume problem - by Arran - 12-19-2014, 02:27 AM
RE: 38-5 volume problem - by KCMike - 12-17-2014, 07:41 PM
RE: 38-5 volume problem - by jerryhawthorne - 12-18-2014, 04:02 PM
RE: 38-5 volume problem - by r8i0 - 12-18-2014, 09:19 PM
RE: 38-5 volume problem - by klondike98 - 12-18-2014, 11:05 PM
RE: 38-5 volume problem - by r8i0 - 12-18-2014, 11:33 PM
RE: 38-5 volume problem - by r8i0 - 12-21-2014, 02:25 PM
RE: 38-5 volume problem - by klondike98 - 12-21-2014, 02:34 PM
RE: 38-5 volume problem - by morzh - 12-21-2014, 04:46 PM



Users browsing this thread: 3 Guest(s)
[-]
Recent Posts
An attempt to remove the Field Coil from a G speaker
Mike; I've only run into a speaker with an open filed coil twice, and they were on newer speakers from the 1940s. One ...Arran — 12:48 AM
An attempt to remove the Field Coil from a G speaker
Arran Yes, this is my plan for now and what do I got to lose, this is not even the speaker from this radio, but one o...morzh — 10:44 PM
An attempt to remove the Field Coil from a G speaker
Mike;  I would unwrap the field coil, and see if maybe there a break near one of the ends, like where the coil wire att...Arran — 10:23 PM
An attempt to remove the Field Coil from a G speaker
...and this is what I did. I fed a little LT into the screwholes with a small brush, and a little on the rim next to the...morzh — 09:52 PM
Philco 40-120C Restoration
I combined the two 40-120C threads together as we like to keep the discussion of the same radio together. It helps with...klondike98 — 09:36 PM
Philco 40-120C Weak, Distorted Ouput
Just checked were I buy tubes price is four dollars. So living in Florid we have a local source for tubes. David    David — 09:14 PM
Philco 40-120C Weak, Distorted Ouput
The higher voltage may be due to higher mains voltage. My mains run 120-125AC when the set was new mains would be 110-11...David — 09:09 PM
Philco 40-120C Weak, Distorted Ouput
Thank you for your reply. I pulled a speaker from a Philco 41-221 and received the same result. I used a signal tracer t...bluecap — 08:45 PM
Philco 40-120C Weak, Distorted Ouput
Have you tried a different speaker? How did you trace the distortion? How do you know it is weak? What is the reference?...morzh — 08:33 PM
Philco 46-480 Electronic Restoration
Amen to that! Every time I think I’ve captured them all, I realize that there’s another error. My goal is to finish with...jrblasde — 07:00 PM

[-]
Who's Online
There are currently 2975 online users. [Complete List]
» 2 Member(s) | 2973 Guest(s)
AvatarAvatar

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