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Total 95 documents matching your query.

81. [Amps] SB-220 (score: 1): Author: "k4pg" <k4pg@comcast.net>; Date: Tue, 18 Nov 2008 20:03:12 -0500; Can anyone recommend someone who will do all updates to my SB-220? My eyesight is not what it used to be. Thanks for any help you can offfer. Kevin K4PG ______________________________________________; /archives//html/Amps/2008-11/msg00194.html (6,172 bytes)
82. [Amps] SB-220 (score: 1): Author: "Jeff Carter" <amps@hidden-valley.com>; Date: Mon, 15 Dec 2008 19:05:51 -0500; Hi all, Well, I finally finished the godzillion solder connections inside my SB-220 project. Now, I've got to find some tubes. While I look for the tubes, are there any safe, approved, and effective; /archives//html/Amps/2008-12/msg00230.html (7,011 bytes)
83. Re: [Amps] SB-220 (score: 1): Author: "Jeff Carter" <amps@hidden-valley.com>; Date: Mon, 15 Dec 2008 20:18:50 -0500; You're right, of course. This old analog meter will do 6KV but you actually have to change the leads to the 6KV position. I was reading one scale and measure another. It's not 5500, it's 1.5KV, which; /archives//html/Amps/2008-12/msg00231.html (7,291 bytes)
84. Re: [Amps] SB-220 (score: 1): Author: "Jeff Carter" <amps@hidden-valley.com>; Date: Mon, 15 Dec 2008 21:24:39 -0500; Well, I apologize. I should not have gotten so excited from having finished this amplifier, and started posted stupid questions out of excitement. Once I correctly set up my volt meter, I am showing; /archives//html/Amps/2008-12/msg00233.html (7,336 bytes)
85. Re: [Amps] SB-220 (score: 1): Author: "Jeff Carter" <amps@hidden-valley.com>; Date: Mon, 15 Dec 2008 22:46:49 -0500; You are right. The computer is in a different room than the amp project, and I got them transposed in the time it took me to walk to the computer. The voltages are where they should be. I see what yo; /archives//html/Amps/2008-12/msg00235.html (9,522 bytes)
86. [Amps] SB-220 (score: 1): Author: "Jeff" <jwill@chartermi.net>; Date: Sun, 13 Jun 2010 12:09:25 -0500; Hello all, I just powered up a Heathkit SB-220 and I am trying to load it up on 3.770 MHz. I believe I am loading it up correctly, here are the results: Mode: CW Power into amp: 65W Plate current: .4; /archives//html/Amps/2010-06/msg00164.html (6,747 bytes)
87. Re: [Amps] SB-220 (score: 1): Author: "Dave Hachadorian" <k6ll@arrl.net>; Date: Sun, 13 Jun 2010 11:26:41 -0700; The spitting noise is probably the tune capacitor arcing. That is a sign of underloading. Turn the load control more clockwise, and the spitting should stop. If your load control is already at max, t; /archives//html/Amps/2010-06/msg00165.html (9,026 bytes)
88. Re: [Amps] SB-220 (score: 1): Author: Patrick Barthelow <apolloeme@live.com>; Date: Sun, 13 Jun 2010 11:31:46 -0700; Hello Jeff, First you have to locate the "spitting noise", and find the cause. That noise is often arc over on a Tune capacitor. (Or heaven forbid the bandswitch.) Take a close look down into the RF; /archives//html/Amps/2010-06/msg00166.html (9,258 bytes)
89. Re: [Amps] SB-220 (score: 1): Author: "Roland AH6RR" <Toesonnose@hawaii.rr.com>; Date: Wed, 1 Aug 2012 06:28:37 -1000; Aloha Jim, Sounds like the problem that I found on a friends 220 it was the filament transformer, it had fried. It had the same exact problems as yours once the filament transformer was replaced alon; /archives//html/Amps/2012-08/msg00005.html (6,682 bytes)
90. [Amps] SB-220 (score: 1): Author: Joe <nss@mwt.net>; Date: Wed, 24 Mar 2021 09:46:28 -0500; Need advice, I am assuming some of you here are also on the Heathkit HF Amps E -Mail list. So I won't go into the long drawn out story here unless asked to do so if needed. I re-built this old SB-220; /archives//html/Amps/2021-03/msg00041.html (7,382 bytes)
91. Re: [Amps] SB-220 (score: 1): Author: Ron W4BIN Youvan <ka4inm@gmail.com>; Date: Wed, 24 Mar 2021 14:10:44 -0400; I am assuming some of you here are also on the Heathkit HF Amps E -Mail list. So I won't go into the long drawn out story here unless asked to do so if needed. I re-built this old SB-220 practically; /archives//html/Amps/2021-03/msg00042.html (9,540 bytes)
92. Re: [Amps] SB-220 (score: 1): Author: Jim <jimw7ry@gmail.com>; Date: Wed, 24 Mar 2021 17:47:49 -0500; Why do you need more L? On what band or bands? Thanks 73 Jim W7RY I am assuming some of you here are also on the Heathkit HF Amps E -Mail list. So I won't go into the long drawn out story here unless; /archives//html/Amps/2021-03/msg00043.html (8,220 bytes)
93. Re: [Amps] SB-220 (score: 1): Author: Jim <jimw7ry@gmail.com>; Date: Tue, 30 Mar 2021 09:48:09 -0500; Why do you need more L? On what band or bands? I am assuming some of you here are also on the Heathkit HF Amps E -Mail list. So I won't go into the long drawn out story here unless asked to do so if; /archives//html/Amps/2021-03/msg00046.html (8,824 bytes)
94. Re: [Amps] SB-220 (score: 1): Author: Joe <nss@mwt.net>; Date: Tue, 30 Mar 2021 10:29:25 -0500; I pushed the HV up a LOT, now running 3700/3800 volts. Joe WB9SBD Sig The Original Rolling Ball Clock Idle Tyme Idle-Tyme.com http://www.idle-tyme.com <http://www.idle-tyme.com> On 3/30/2021 9:48 AM,; /archives//html/Amps/2021-03/msg00047.html (9,972 bytes)
95. Re: [Amps] SB-220 (score: 1): Author: Tom Hellem <tom.hellem@gmail.com>; Date: Tue, 30 Mar 2021 09:30:21 -0600; I, too, am curious as to how it has been determined that more L is needed. I have another amp, an LK-800C, that acts like it needs more C in the output network, but maybe the underlying issue is that; /archives//html/Amps/2021-03/msg00048.html (9,801 bytes)

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