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Total 6 documents matching your query.

1. [Amps] Used tubes (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Tue, 12 Jan 2010 15:51:01 -0800; Is there a way to tell externally if a tube has been used ... Im guessing not unless it was abused. I just bought a GS-35B. Mike KC7NOA _______________________________________________________________; /archives//html/Amps/2010-01/msg00104.html (6,969 bytes)
2. Re: [Amps] Used tubes (score: 1): Author: "David H Craig" <davidhcraig@verizon.net>; Date: Tue, 12 Jan 2010 19:02:52 -0500; Mike, I bought 2 supposedly NOS GS35b tubes- they were toast, grids audible bouncing around when shook. I didn't have to do that to tell though- the USSR radar units used finger-stock to contact the; /archives//html/Amps/2010-01/msg00106.html (8,744 bytes)
3. Re: [Amps] Used tubes (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Tue, 12 Jan 2010 16:32:26 -0800; I would love some pics ... I'm sure the Ebay'r that i bought from used a generic pic, mabey from the same lot he has .. but not the one i bought -- which is ok, but i sure don't want one that was use; /archives//html/Amps/2010-01/msg00108.html (9,417 bytes)
4. Re: [Amps] Used tubes (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Tue, 12 Jan 2010 19:56:50 -0500; Like many high power tubes, you can tell if they were put in normal sockets as the proper sockets use finger stock which will leave vertical marks on the contact rings every time the tube is put in a; /archives//html/Amps/2010-01/msg00109.html (8,064 bytes)
5. Re: [Amps] Used tubes (score: 1): Author: "Jeff Blaine AC0C" <keepwalking188@yahoo.com>; Date: Wed, 13 Jan 2010 13:09:26 -0600; Mike, I don't think the socket insertion marks are conclusive. Suggestive but not reliably conclusive. To my thinking, a high tension socket will leave the marks and if the mfg or some interim party; /archives//html/Amps/2010-01/msg00150.html (12,136 bytes)
6. Re: [Amps] Used tubes (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Wed, 13 Jan 2010 12:31:56 -0800; The guy at QRO-PARTS was a huge putz to me, - he baned me after i asked a tecnical question. Ill add i bought a GS9B from some one else .. but my question was about GS35B, so if I was even enclined t; /archives//html/Amps/2010-01/msg00152.html (9,521 bytes)

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