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40-180 tube changes
Patrick
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Posts: 365
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Joined: Oct 2014
City: Winter Haven, FL
#8

05-31-2015, 07:51 AM
(05-31-2015, 07:32 AM)Radioroslyn Wrote:  Hmmmm... Seems like you got 60v missing. Pull the tube and see if it going up to 150v if so may have a bad tube or something is causing it to haul down a lot of current (incorrect voltages on the grid or cathode).

Terry

I think that my biggest problem is that it's been almost 50 years since I've done basic electronics work. I had forgotton who Kirchhoff was, amongst others. Time to get the old textbook out.
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Messages In This Thread
40-180 tube changes - by Patrick - 05-30-2015, 05:53 PM
RE: 40-180 tube changes - by Radioroslyn - 05-30-2015, 07:48 PM
RE: 40-180 tube changes - by Patrick - 05-30-2015, 08:29 PM
RE: 40-180 tube changes - by Patrick - 05-31-2015, 07:43 AM
RE: 40-180 tube changes - by mikethedruid - 05-30-2015, 07:50 PM
RE: 40-180 tube changes - by Patrick - 05-30-2015, 08:31 PM
RE: 40-180 tube changes - by Radioroslyn - 05-31-2015, 07:32 AM
RE: 40-180 tube changes - by Patrick - 05-31-2015, 07:51 AM
RE: 40-180 tube changes - by Radioroslyn - 05-31-2015, 08:46 AM
RE: 40-180 tube changes - by Raleigh - 05-31-2015, 04:13 PM
RE: 40-180 tube changes - by Patrick - 06-06-2015, 06:05 PM
RE: 40-180 tube changes - by Radioroslyn - 06-07-2015, 08:47 AM
RE: 40-180 tube changes - by Patrick - 06-07-2015, 09:39 AM
RE: 40-180 tube changes - by Radioroslyn - 06-07-2015, 10:11 AM
RE: 40-180 tube changes - by Patrick - 06-07-2015, 10:40 AM
RE: 40-180 tube changes - by Patrick - 06-07-2015, 01:32 PM
RE: 40-180 tube changes - by codefox1 - 06-07-2015, 11:03 AM
RE: 40-180 tube changes - by Patrick - 06-07-2015, 11:48 AM



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  1. The PHILCO Phorum
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