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1. [Amps] Johnson Thunderbolt questions (score: 1): Author: "Clay Curtiss W7CE" <w7ce@curtiss.net>; Date: Fri, 12 Mar 2004 09:56:48 -0800; I'm in the processing of bringing a Johnson Thunderbolt amp up and can't quite make sense out of what I'm seeing. I'm hoping there is someone out there with experience using the Thunderbolt (or a pai; /archives//html/Amps/2004-03/msg00131.html (9,636 bytes)
2. [Amps] Kenwood TL-922A 6M conversion (score: 1): Author: "Clay W7CE" <w7ce@curtiss.net>; Date: Wed, 4 Aug 2004 23:08:34 -0700; Has anyone converted or seen a conversion of a Kenwood TL-922A for 6M rather than 10M operation? If so, are there any gotchas to be aware of? Thanks, Clay W7CE _______________________________________; /archives//html/Amps/2004-08/msg00034.html (6,764 bytes)
3. [Amps] 3-500ZG brands (score: 1): Author: "Clay W7CE" <w7ce@curtiss.net>; Date: Wed, 11 Aug 2004 19:04:02 -0700; I've just acquired a Kenwood TL-922A which needs a new pair of finals (one of the filaments doesn't light up). Does anyone have experience using the Taylor or RF Parts branded 3-500ZG tubes in this a; /archives//html/Amps/2004-08/msg00105.html (6,773 bytes)
4. Re: [Amps] 3-500ZG brands (score: 1): Author: "Clay W7CE" <w7ce@curtiss.net>; Date: Thu, 12 Aug 2004 07:45:15 -0700; Thanks to everyone for the quick replies to my question. I will check the tube, socket and soldering before concluding that the tube is bad. I looked at the solder connections on the sockets and they; /archives//html/Amps/2004-08/msg00118.html (9,553 bytes)
5. Re: [Amps] 3-500ZG brands (score: 1): Author: "Clay W7CE" <w7ce@curtiss.net>; Date: Thu, 12 Aug 2004 08:27:35 -0700; Hi Rich, If I determine that the tube filament is indeed bad after testing it outside the amp, I'll be glad to send it to you. Clay _______________________________________________ Amps mailing list A; /archives//html/Amps/2004-08/msg00119.html (7,654 bytes)
6. Re: [Amps] 3-500ZG brands (score: 1): Author: "Clay W7CE" <w7ce@curtiss.net>; Date: Mon, 4 Oct 2004 18:44:10 -0700; I apologize for the delay in completing this thread, but life has been very busy lately. What appeared to be a bad tube, was actually just a bad contact with the tube socket. The amp had been sitting; /archives//html/Amps/2004-10/msg00037.html (8,867 bytes)
7. [Amps] Kenwood TL-922A on 6 meters? (score: 1): Author: "Clay W7CE" <w7ce@curtiss.net>; Date: Mon, 4 Oct 2004 18:49:40 -0700; Has anyone every converted a Kenwood TL-922A to work on 6M rather than 10M? My TL-922A has never had the 10M conversion done and I'm considering trying a conversion to 6M for that position on the ban; /archives//html/Amps/2004-10/msg00038.html (6,798 bytes)
8. Re: [Amps] Kenwood TL-922A on 6 meters? (score: 1): Author: "Clay W7CE" <w7ce@curtiss.net>; Date: Wed, 6 Oct 2004 10:36:31 -0700; Interesting idea Bill. Is your SB-1000 converted for 6M only now or did you retain 160-15M? If the latter, did you have to short out the new coil or move any of the coil taps for 160-15M operation? C; /archives//html/Amps/2004-10/msg00063.html (9,120 bytes)
9. Re: [Amps] Kenwood TL-922A on 6 meters? (score: 1): Author: "Clay W7CE" <w7ce@curtiss.net>; Date: Wed, 6 Oct 2004 11:05:07 -0700; Thanks Bill. I'll check out the ARRL handbook and do the calculations to see if I can come up with a matching network that will handle 160-15M as well as 6M. I guess my other other option is to look; /archives//html/Amps/2004-10/msg00065.html (9,251 bytes)
10. [Amps] TL-922A - Loud Pop, Blown Fuses (score: 1): Author: "Clay Curtiss W7CE" <w7ce@curtiss.net>; Date: Sat, 4 Dec 2004 12:05:17 -0800; Yesterday morning when I turned on my TL-922A, there was a very loud pop followed by blown fuses. I replaced the fuses, changed the setting to CW to reduce the B+ voltage and tried again. Similar res; /archives//html/Amps/2004-12/msg00074.html (8,393 bytes)
11. Re: [Amps] TL-922A - Loud Pop, Blown Fuses (score: 1): Author: "Clay Curtiss W7CE" <w7ce@curtiss.net>; Date: Sun, 5 Dec 2004 14:14:36 -0800; Thanks for the responses. I didn't think about an internal tube short as a possibility. I removed the plate caps from the 3-500's and the HV measures normal (2100V CW, 3100V SSB). Is it logical to as; /archives//html/Amps/2004-12/msg00087.html (12,090 bytes)
12. Re: [Amps] TL-922A - Loud Pop, Blown Fuses (score: 1): Author: "Clay Curtiss W7CE" <w7ce@curtiss.net>; Date: Sun, 5 Dec 2004 18:03:18 -0800; Hi Rich, I didn't remove the tubes, but I did remove the anode connection to both of them for the quick HV test. The fuses don't blow when the anodes aren't connected. I figured the sound wasn't insi; /archives//html/Amps/2004-12/msg00099.html (9,540 bytes)
13. Re: [Amps] TL-922A - Loud Pop, Blown Fuses (score: 1): Author: "Clay Curtiss W7CE" <w7ce@curtiss.net>; Date: Sun, 5 Dec 2004 18:32:11 -0800; Thanks to everyone for all of the suggestions. I put both tubes back in the sockets and hooked up the anode connector to only one tube at a time. The first tube is fine, but when I connected the seco; /archives//html/Amps/2004-12/msg00101.html (10,297 bytes)
14. Re: [Amps] Really Cool Calculator TIP (score: 1): Author: "Clay W7CE" <w7ce@curtiss.net>; Date: Tue, 8 Feb 2005 09:20:04 -0800; LOOKS Thanks for the info on DreamCalc. It's almost my dream calculator. Unfortunately, it doesn't appear to support RPN, only standard algebraic and text book algebraic. For now, I guess I'll have; /archives//html/Amps/2005-02/msg00310.html (7,446 bytes)
15. Re: [Amps] Really Cool Calculator TIP (score: 1): Author: "Clay W7CE" <w7ce@curtiss.net>; Date: Tue, 8 Feb 2005 12:13:38 -0800; Thanks John. I downloaded the DreamCalc 3 beta and it not only supports RPN, but has built-in support for complex numbers. It is my dream calculator! Clay W7CE just either and _______________________; /archives//html/Amps/2005-02/msg00316.html (9,206 bytes)

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