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81. [AMPS] CENTURION HELP (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Sun, 7 Sep 1997 11:30:09 +0000; I usually avoid general statements, but there might be something to be learned here that will help people owning certain amps. The Centurion amplifier I looked at had NO defective components, but si; /archives//html/Amps/1997-09/msg00146.html (9,535 bytes)
82. [AMPS] Linear with 4CX800A (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Mon, 8 Sep 1997 08:27:35 +0000; To: <amps@contesting.com> The article by W6RF in Com Quart was technically excellent, except for the attack time constant error in the auto bias system. I do not think amplifiers should be designed; /archives//html/Amps/1997-09/msg00159.html (9,392 bytes)
83. [AMPS] SB-220 Rating (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Mon, 8 Sep 1997 08:27:35 +0000; To: <amps@contesting.com> Not so far as I know or Heathkit knew. Let's see. The maximum key down input power rating is 1000 watts dc plate input on CW. The efficiency on a good day with a good 220 i; /archives//html/Amps/1997-09/msg00160.html (10,321 bytes)
84. [AMPS] SB-220 continued (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Mon, 8 Sep 1997 08:27:35 +0000; To: <amps@contesting.com> The resistors in your suppressors and you glitch resistors also change value gradually over time. Of course, when the resistor is a REGULAR resistor in a conventional syste; /archives//html/Amps/1997-09/msg00161.html (9,203 bytes)
85. [AMPS] RE:two questions (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Mon, 8 Sep 1997 23:47:30 +0000; To: <amps@contesting.com> You replied: If you look at N7WS's data, and his conclusions, the stock AL-80B suppressor is essentially equal to the nichrome model near the frequency where stability is a; /archives//html/Amps/1997-09/msg00181.html (10,721 bytes)
86. [AMPS] L-4B (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Mon, 8 Sep 1997 23:47:30 +0000; To: <amps@contesting.com> Most likely a tube arced internally Jim, although it's tough to say for sure. What grid resistor opened up? Even if the tubes were biased on, a parasitic doesn't seem likel; /archives//html/Amps/1997-09/msg00182.html (8,248 bytes)
87. [AMPS] Linear with 4CX800A (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Tue, 9 Sep 1997 08:07:07 +0000; Hi Ian, It also prevents running off by oneself and "cooking up" non-sense, that no matter how incorrect, almost never dies. Once something has been published, it takes on a life of its own.... right; /archives//html/Amps/1997-09/msg00186.html (8,803 bytes)
88. [AMPS] SB-220 Rating (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Tue, 9 Sep 1997 08:07:07 +0000; To: <amps@contesting.com> Hi Carl, You'll NEVER find a post where I said the 220 was poorly designed, just like you'll probably never have the technical ability to understand you multiply efficiency; /archives//html/Amps/1997-09/msg00187.html (9,829 bytes)
89. [AMPS] RE: Two Questions. (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Tue, 9 Sep 1997 08:54:33 +0000; To: <amps@contesting.com> Rich claims: Peter replied: Very true Peter, but you are beating your head against a wall. Again absolutely correct. 100 ohms special order carbon **composition** (NOT FILM; /archives//html/Amps/1997-09/msg00188.html (10,732 bytes)
90. [AMPS] RE:two questions (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Tue, 9 Sep 1997 08:54:33 +0000; To: <amps@contesting.com> It's worth noting how the interpretation of data presented on N7WS's web page completely changes when re-printed on Rich's web page! 73, Tom W8JI -- FAQ on WWW: http://www.; /archives//html/Amps/1997-09/msg00189.html (10,059 bytes)
91. [AMPS] RE:two questions (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Wed, 10 Sep 1997 01:01:54 +0000; Rich replied: System Q can be calculated from the parallel impedance value of the suppressor components, and the knowledge of the rest of the system's impedance. Even without knowing the exact value; /archives//html/Amps/1997-09/msg00216.html (11,134 bytes)
92. [AMPS] 91 information (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Wed, 10 Sep 1997 08:45:27 +0000; Here we go again. Never saw the problem, never owned the amp, never tested the amp. .....and without even seeing a PA, we now have another "cure" for all the owners of 91B's who have lost a tube for; /archives//html/Amps/1997-09/msg00226.html (9,416 bytes)
93. [AMPS] RE:two questions (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Wed, 10 Sep 1997 08:45:27 +0000; To: <amps@contesting.com> Rich, you probably are stuck in a quagmire of understanding how things "work" because you, like your east coast twin, spend more time looking for ways to insult people than; /archives//html/Amps/1997-09/msg00227.html (10,403 bytes)
94. [AMPS] Suppressor effects (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Wed, 10 Sep 1997 14:34:08 +0000; Perhaps we should look at what we want in a suppressor. I hope this ascii drawing looks ok after going through mailers. The system looks like this: La Ltank ___sup____(((((((___________(((((_____ __I; /archives//html/Amps/1997-09/msg00228.html (13,646 bytes)
95. [AMPS] impedance of nichrome lower (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Wed, 10 Sep 1997 15:39:36 +0000; Sorry Carl, I figure anyone dishing it out as much as you should also be pretty thick skinned on the receiving end. ;-) I'll try to be more civil to you, and I sincerely hope you reciprocate. In any; /archives//html/Amps/1997-09/msg00229.html (11,452 bytes)
96. [AMPS] Suppressor effects (correction) (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Wed, 10 Sep 1997 15:52:19 +0000; Woops. Fuzzy republican thinking. That should have been a fifty ohm reactance in series with a twenty five ohm resistance. and with that change: When they are connected in series with an anode induc; /archives//html/Amps/1997-09/msg00230.html (7,606 bytes)
97. [AMPS] impedance of nichrome lower (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Thu, 11 Sep 1997 13:28:56 +0000; To: <amps@contesting.com> Hi Ian, Not true as Dejanews says, and not as I recall either. The same is also so with Rich's references to my making comments about Rich's nurse. As a matter of fact, jus; /archives//html/Amps/1997-09/msg00245.html (11,758 bytes)
98. [AMPS] Amperex/eimac (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Fri, 12 Sep 1997 06:37:45 +0000; To: <amps@contesting.com> Hi Stan, That tube will work fine with no changes. Ameritron uses them as an alternative source. Be aware that the 3-500ZG has more problems with outgassing than the metal; /archives//html/Amps/1997-09/msg00264.html (8,794 bytes)
99. [AMPS] impedance of nichrome lower (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Fri, 12 Sep 1997 06:37:45 +0000; To: <amps@contesting.com> Hi Carl, Here's something to mull over, since you opened the door...... You haven't missed a thing carl. N7WS tested a totally different suppressor that had more inductance; /archives//html/Amps/1997-09/msg00265.html (14,965 bytes)
100. [AMPS] suppressors (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Sun, 14 Sep 1997 23:19:29 +0000; To: <amps@contesting.com> Yet at least one guy who "sells improvement kits" doesn't even look at the amplifiers he makes kits for, and can't even measure Q above 60 MHz and only below 60 with an ver; /archives//html/Amps/1997-09/msg00296.html (8,820 bytes)

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