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1. [Amps] Eimac 3-500Z code (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Thu Jul 3 09:09:30 2003; Dear friends! If I'm not mistaken there are some Eimac 3-500Z to avoid, can anyone please let me know what date-codes to avoid? Thanks in advance and 73 de Osten SM5DQC sm5dqc@algonet.se; /archives//html/Amps/2003-07/msg00014.html (6,236 bytes)
2. [Amps] Eimac 3-500Z code again! (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Sat Jul 5 09:23:11 2003; Not a single answer to question below... Am I wrong, -- there are no ''bad'' dates for Eimac 3-500Z -- or isn't there anyone who has the information available? 73 de Osten SM5DQC sm5dqc@algonet.se De; /archives//html/Amps/2003-07/msg00039.html (6,902 bytes)
3. [Amps] Eimac 3-500Z code again! (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Sun Jul 6 09:04:01 2003; If that was the meaning of the date-code there would not be any 3-500Z's still working... Osten SM5DQC -- Ursprungligt meddelande -- Fr?n: "Dr. William J. Schmidt, II" <bill@wjschmidt.com> Till: "Ost; /archives//html/Amps/2003-07/msg00045.html (8,794 bytes)
4. [Amps] Tubes for sale (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Mon Jul 14 07:51:57 2003; Two NOS Philips QB3.5/750, also named 6156, in original boxes. Seems to be the same as 4-250A but no metal shell on the bases, the Philips with metal shell are called QB3.5/750GA but data are the sam; /archives//html/Amps/2003-07/msg00079.html (6,382 bytes)
5. [Amps] 572B's WARNING (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Sat Jun 14 08:47:00 2003; STAY AWAY FROM RICHARDSON ELECTRONICS, ENGLAND www.rell.com 572B's are sold here in Europe by different dealers, the tubes are distributed by Richardson Electronics in England, and they claim that it; /archives//html/Amps/2003-06/msg00092.html (7,998 bytes)
6. [Amps] AL-80A question (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Wed Jun 25 09:25:10 2003; Friends! noise. Is this true, and if so, how large and thick should it be? Thanks in advance and 73 de Osten SM5DQC sm5dqc@algonet.se; /archives//html/Amps/2003-06/msg00210.html (6,552 bytes)
7. [Amps] WTB 572B Cetron (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Fri May 2 08:30:55 2003; Friends! Anyone who has a pair of Cetron 572B, guarnteed new in boxes? Price? If not, anyone who knows where available? Thanks in advance and 73 de Osten SM5DQC sm5dqc@algonet.se or sm5dqc@arrl.net; /archives//html/Amps/2003-05/msg00008.html (6,717 bytes)
8. [Amps] WTB - trying again... (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Tue May 20 08:48:57 2003; Friends! I need a pair, or more, original USA-made Cetron 572B's. Seems hard to find, this is a second try... Hopefully that statement will not make the price higher! Thanks in advance and 73 de Oste; /archives//html/Amps/2003-05/msg00137.html (6,379 bytes)
9. [Amps] Raytheon ? (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Tue May 20 08:49:05 2003; Friends! Anyone who knows what Raytheon 572B's are, manufactered in USA, and if so, when? Comparison to Cetron? I have been offered a pair for USD 130. Have also seen that Ross sells Cetron 572B's fo; /archives//html/Amps/2003-05/msg00139.html (6,335 bytes)
10. [Amps] Question (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Fri May 23 09:27:10 2003; Anyone who knows what National 572B's are, made in USA or if so when? Thanks in advance an 73 de Osten SM5DQC sm5dqc@algonet.se; /archives//html/Amps/2003-05/msg00174.html (6,081 bytes)
11. [Amps] 572B's again and again... (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Sat May 24 09:58:31 2003; Got this, can someone tell me what is written below means: Real Cetron tubes made in USA or... Date manufactured year 2002 or 1952 ? Thanks in advance, 73 de Osten SM5DQC e-mail: sm5dqc@algonet.se; /archives//html/Amps/2003-05/msg00181.html (6,513 bytes)
12. [Amps] FL2100Z on 160 meters (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Thu May 29 09:35:25 2003; Here I am again with my ''problem'' FL2100Z. Seems to be working OK now - at the moment with Chinese 572B's - but one, rather two, questions: The amp delivers normal output on all bands except 160 me; /archives//html/Amps/2003-05/msg00226.html (6,687 bytes)
13. [Amps] Need help Yaesu FL2100Z (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Tue Apr 8 04:24:43 2003; Dear friends! My old FL2100z just does not work... I get nothing out, tubes are OK when checked in another amp. The only thing that happens is that I now have around 50 mA Ip even with the switch in; /archives//html/Amps/2003-04/msg00071.html (7,366 bytes)
14. [Amps] Need help Yaesu FL2100Z (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Tue Apr 8 08:59:36 2003; Hi Peter and all others! Did replace the whole RF-choke with capacitor etc. Still have low bias and also 50 mA in ''stand by'', goes up to 60 mA when in ''operate mode'', it's possible to tune quickl; /archives//html/Amps/2003-04/msg00073.html (9,132 bytes)
15. [Amps] Addition to FL2100z problem (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Tue Apr 8 10:07:37 2003; Hello again! I changed the tubes between sockets, first it was the tube at left that became ''red'', when changed it's the same one now in the other socket. So it's obvious I have a bad tube, it's Ta; /archives//html/Amps/2003-04/msg00074.html (7,066 bytes)
16. [Amps] Need help Yaesu FL2100Z (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Tue Apr 8 11:14:21 2003; Thanks for the e-mail Sam - never thought of that but this time it seems to be something else also, the 50 ma Ip ''in stand by'' - as soon as I switch the amp on the meter reads 50 mA - never happene; /archives//html/Amps/2003-04/msg00077.html (8,751 bytes)
17. [Amps] FL2100Z showing Ip in standby (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Tue Apr 8 14:39:13 2003; Thanks LA6HV, OZ1PIF, W5LU, KD4LYH and AA6EG for trying to help. I'm now convinced that I have a tube problem, BUT I have never had any Svetlana tubes in the amp... Two things to do: Get some NOS Cet; /archives//html/Amps/2003-04/msg00088.html (7,206 bytes)
18. Fw: [Amps] FL2100Z showing Ip in standby (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Wed Apr 9 06:22:36 2003; Thanks LA6HV, OZ1PIF, W5LU, KD4LYH, AA6EG, ON4KJ, KG6T, KO4NR, SM7CQY, KC5AJX, S58DX and K8GG for trying to help. Sorry if I forgot someone, did not expect so many answers. A lot of kind and friendly; /archives//html/Amps/2003-04/msg00090.html (7,202 bytes)
19. Fw: [Amps] FL2100Z showing Ip in standby (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Wed Apr 9 10:00:59 2003; Correction, my previous message should have been: and I will now check everything suggested, especially regarding the info I got from S58DX and K8GG. THANKS to all of you, all the best and 73/DX de O; /archives//html/Amps/2003-04/msg00092.html (6,982 bytes)
20. [Amps] Dentron DTR2000L (score: 196): Author: sm5dqc at algonet.se (Osten B Magnusson); Date: Sun Apr 20 08:30:41 2003; Friends! Can't solve the problem with Ip in standby on my FL2100Z, but have been offered a Dentron DTR2000L, which is supposed, I have not seen it yet, to use a 8877 tube and work on all bands 160 -; /archives//html/Amps/2003-04/msg00190.html (6,433 bytes)

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