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Pages: Prev 1 ... 9 10 11 12 13 [14] 15 16 17 18 19 ... 300 Next   Go Down
 
Subject Started by Replies Views Last post
572-B Tubes - red plates shorten life? W0BTU 10 3612 Last post March 04, 2010, 11:23:48 PM
by W0BTU
572-b turning red VE7SHM 4 3095 Last post March 03, 2014, 07:49:28 AM
by K8AXW
572B G3RZP 7 3238 Last post July 29, 2011, 06:35:45 AM
by AE5JU
572B Flashover Mechanism KG6Q 7 5331 Last post April 02, 2011, 04:17:12 PM
by K6AER
572b Reasonable Life Expectancy N4JTE 11 6246 Last post January 29, 2013, 03:30:42 AM
by G3RZP
572b replacing 811A W5EN 9 2350 Last post July 01, 2008, 05:08:12 PM
by N3OQD
572B testing « 1 2 » W8JI 20 16850 Last post October 11, 2012, 04:51:50 PM
by PA1ZP
572B Tube Current Production - Looking Good! « 1 2 » VK3BL 23 6101 Last post January 31, 2017, 05:42:46 PM
by KM1H
572B Tubes K5MBV 0 1402 Last post February 23, 2009, 04:17:33 PM
by K5MBV
572B tubes K9FON 14 2314 Last post August 04, 2009, 04:38:34 PM
by K9FON
572B Tubes KB9RGD 9 4491 Last post March 16, 2014, 01:26:52 PM
by KC8WH
572b Tubes KB9LQA 11 4841 Last post June 06, 2015, 08:15:27 PM
by KD5OEI
572B tubes are back in production!!! « 1 2 » W1BR 19 16902 Last post December 21, 2014, 12:24:59 AM
by G3RZP
572B tubes, best source? NI0Z 8 5482 Last post May 04, 2012, 06:18:41 PM
by W8JX
572B upgrade for twin 811A amp « 1 2 » VE3LYX 23 14226 Last post November 21, 2014, 03:16:07 PM
by KH6DC
572b valves NB9N 8 2106 Last post April 17, 2008, 06:31:18 PM
by K0IZ
572b's « 1 2 » W4CDI 20 8598 Last post August 12, 2010, 06:44:16 PM
by K7ZRZ
572B's K9OF 2 2119 Last post August 19, 2016, 11:22:59 AM
by W8JX
572B/T160L tubes. Country of origin? VE7ALQ 9 12228 Last post October 14, 2004, 02:03:19 PM
by K0IZ
572Bs K5MBV 0 1307 Last post February 23, 2009, 04:19:36 PM
by K5MBV
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