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21. [AMPS] Six Meter Amp Question (score: 1): Author: na9d@mindspring.com (Jon Ogden); Date: Thu, 01 Mar 2001 06:50:49 -0600; Hi all, It's been quite a while since I've posted anything on AMPS, but I need some help on this one. I have an opportunity to purchase an SB-230 that was converted by KM1H to six meters. It uses the; /archives//html/Amps/2001-03/msg00015.html (7,336 bytes)
22. [AMPS] SB-220 Amplifiers and Garage Sales!! (score: 1): Author: na9d@mindspring.com (Jon Ogden); Date: Thu, 22 Mar 2001 06:54:52 -0600; Don't bother with the Measure's parasitic suppressors. Ain't needed. 'Nuf said. 73, Jon NA9D -- Jon Ogden NA9D (ex: KE9NA) Member: ARRL, AMSAT, DXCC, NRA http://www.qsl.net/ke9na "A life lived in fea; /archives//html/Amps/2001-03/msg00188.html (8,763 bytes)
23. [AMPS] SB-220 Amplifiers and Garage Sales!! (score: 1): Author: na9d@mindspring.com (Jon Ogden); Date: Thu, 22 Mar 2001 18:41:11 -0600; Exactly! I would bet that the majority of cases of smoke and other 10 meter problems with SB-200s and SB-220s are from the resistor values changing due to heating by circulating currents. At 28 MHz,; /archives//html/Amps/2001-03/msg00202.html (10,323 bytes)
24. [AMPS] SB-220 Amplifiers and Garage Sales!! (score: 1): Author: na9d@mindspring.com (Jon Ogden); Date: Thu, 22 Mar 2001 19:05:43 -0600; How much Rp, Rich? -- Jon Ogden NA9D (ex: KE9NA) Member: ARRL, AMSAT, DXCC, NRA http://www.qsl.net/ke9na "A life lived in fear is a life half lived." -- FAQ on WWW: http://www.contesting.com/FAQ/amps; /archives//html/Amps/2001-03/msg00203.html (9,643 bytes)
25. [AMPS] SB-220 Amplifiers and Garage Sales!! (score: 1): Author: na9d@mindspring.com (Jon Ogden); Date: Fri, 23 Mar 2001 06:20:15 -0600; Perhaps I failed to ask the question properly. It's been a while. How much resistance does the nichrome wire add? And yes, I know it depends on how much is used. I'm just looking for a typical instal; /archives//html/Amps/2001-03/msg00210.html (10,002 bytes)
26. [AMPS] SB-220 Amplifiers and Garage Sales!! (score: 1): Author: na9d@mindspring.com (Jon Ogden); Date: Fri, 23 Mar 2001 06:32:33 -0600; You forgot something, Rich. The tube socket adds stray capacitance. The effects of putting the tube into the chassis adds stray capacitance. And if your amp has more than one tube, those capacitances; /archives//html/Amps/2001-03/msg00211.html (10,332 bytes)

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