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Total 44 documents matching your query.

41. Re: [Amps] Arc distance (score: 1)
Author: Dave Haupt <emailw8nf@yahoo.com>
Date: Fri, 28 Jul 2006 13:19:30 -0700 (PDT)
Ian, I always learn something from your longer postings. Often it's a summary of bits and pieces I already knew, more often it's new data. Thanks for this. I would concur with the notion that the pat
/archives//html/Amps/2006-07/msg01256.html (13,251 bytes)

42. [Amps] De-gassing/de-barnacling YC-156 tubes (was Source for YC-156 tubes) (score: 1)
Author: Dave Haupt <w8nf@yahoo.com>
Date: Wed, 28 Jan 2009 14:31:32 -0800 (PST)
I visited the Eimac factory in San Carlos circa 1989-1990 for the purpose of witnessing the manufacture of the YC-156 tubes, which my employer was using in production at that time. If your YC-156 has
/archives//html/Amps/2009-01/msg00331.html (9,265 bytes)

43. [Amps] SB200 and Genie garage door opener (score: 1)
Author: Dave Haupt <w8nf@yahoo.com>
Date: Wed, 4 Feb 2009 12:32:23 -0800 (PST)
Don't automatically assume that the problem is coming from the garage door opener's RF section. I actually burned out two garage door openers - both Genie. While transmitting, the door would open up,
/archives//html/Amps/2009-02/msg00085.html (9,290 bytes)

44. Re: [Amps] Dummy load oil (score: 1)
Author: Dave Haupt <w8nf@yahoo.com>
Date: Wed, 29 Jul 2009 21:14:36 -0700 (PDT)
When I was in the power amp business, we had a mix of loads - Bird, MFJ, Heathkit, etc. At one point, I felt it necessary to find out just what was "transformer oil"...Bird had said "use only transfo
/archives//html/Amps/2009-07/msg00389.html (8,027 bytes)


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