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

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
Old tubes
Phlogiston
Radio-Fixer-Upper
*****
Posts: 2,118
Threads: 112
Joined: Jun 2010
City: Medford OR (OR what?)
#14

06-18-2014, 03:40 PM
If the cause for low performance is gas, then the tube can arc. This is especially true for rectifiers and power output tubes. This can cause a output transformer,power transformer, field coil, interstage transformer or choke failure rather quickly.
"I just might turn into smoke, but I feel fine"
http://www.russoldradios.com/
Website Find
« Next Oldest | Next Newest »
Thread Closed


Messages In This Thread
Old tubes - by fields 100 - 06-13-2014, 06:06 AM
RE: Old tubes - by Eliot Ness - 06-13-2014, 09:04 AM
RE: Old tubes - by fields 100 - 06-13-2014, 09:47 AM
RE: Old tubes - by TA Forbes - 06-13-2014, 01:22 PM
RE: Old tubes - by Randy H. - 06-13-2014, 03:29 PM
RE: Old tubes - by fields 100 - 06-13-2014, 06:18 PM
RE: Old tubes - by Arran - 06-14-2014, 03:32 AM
RE: Old tubes - by Randy H. - 06-16-2014, 05:08 PM
RE: Old tubes - by Phlogiston - 06-16-2014, 07:42 PM
RE: Old tubes - by Phlogiston - 06-16-2014, 08:20 PM
RE: Old tubes - by fields 100 - 06-16-2014, 08:44 PM
RE: Old tubes - by Eliot Ness - 06-17-2014, 07:35 AM
RE: Old tubes - by codefox1 - 06-18-2014, 03:34 PM
RE: Old tubes - by Phlogiston - 06-18-2014, 03:40 PM
RE: Old tubes - by Tom Hamilton - 07-12-2014, 04:22 PM



Users browsing this thread:
[-]
Recent Posts
Restoration of the Canadian General Electric A-87
Great job on the cabinet. PS. In the US notation, "kenotron" refers to specific type of tubes; we call re...morzh — 08:24 AM
Part numbers to model cross
This document has at least some tables of models and parts used. Example: Choke 32-7572, used in 604 radio. Search f...morzh — 08:19 AM
Restoration of the Canadian General Electric A-87
I also checked all the radio tubes on my Hickok 530 tube tester. The 5Z3 kenotron turned out to be faulty, all the other...RadioSvit — 08:02 AM
Restoration of the Canadian General Electric A-87
Well... While the varnish is drying up, I started repairing the chassis... Of course I started by replacing the pa...RadioSvit — 07:12 AM
Philco Model 38-7: what caps & resistors do fail typically?
Hello Martin, Welcome aboard our little community what great Model 38-7 Sincerely Richardradiorich — 12:30 AM
Philco Model 38-7: what caps & resistors do fail typically?
Welcome to the Phorum Martin. I count about 9 paper caps, the 3 electrolytic caps and 2-Y2 safety caps to replace th...RodB — 09:44 PM
Part numbers to model cross
Jim, We have this index put together by Dale Cook but I don't think that is quite what you are looking for. The Parts...klondike98 — 09:37 PM
Philco Model 38-7: what caps & resistors do fail typically?
Yep the dim bulb test is OK but I'd definitely replace all those electrolytics before I did it. Since those #47 conden...klondike98 — 09:18 PM
Philco 42-345 Restoration/Repair
The resistor is a 2.2 Meg, it was the last one I hadn't replaced. The broadcast is coming in after replacing it.osanders0311 — 09:09 PM
Philco 42-345 Restoration/Repair
What does the resistor measure? I think it should be 3.3 Meg. If the oscillator coil has continuity and the resistanc...RodB — 09:03 PM

[-]
Who's Online
There are currently 1340 online users. [Complete List]
» 1 Member(s) | 1339 Guest(s)
Avatar

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