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Total 95 documents matching your query.

1. [AMPS] SB-220 (score: 1): Author: gjerning@flash.net (ARNE GJERNING); Date: Tue, 12 Feb 2002 09:02:11 -0700; 1. Does anyone have available a 20M (L3) and 15M (L2) input coils they might part with? 2. What is the full scale meter movements for both the plate and multimeter? I have 2 open meters and need to r; /archives//html/Amps/2002-02/msg00132.html (7,514 bytes)
2. [AMPS] SB-220 (score: 1): Author: 2@mail.vcnet.com (Rich...); Date: Wed, 13 Feb 2002 21:37:12 -0800; ? 200uA / c. 1100? ? Monitoring grid current is of zero value because tune-up has nothing to do with grid current. Tune-up involves tuning for max out with max drive (<145w-pep) using a tuning pulse; /archives//html/Amps/2002-02/msg00133.html (8,333 bytes)
3. [AMPS] SB-220 (score: 1): Author: R_Davis" <WD8JJA@arrl.net (R_Davis); Date: Thu, 14 Feb 2002 07:18:19 -0500; Then why do some amplifiers' manuals tell you to monitor the grid current and give you a meter function for that purpose? ? 200uA / c. 1100? ? Monitoring grid current is of zero value because tune-up; /archives//html/Amps/2002-02/msg00134.html (9,067 bytes)
4. [AMPS] SB-220 (score: 1): Author: na9d-2@speakeasy.net (Jon Ogden); Date: Thu, 14 Feb 2002 08:52:57 -0600; Well, for one, in the case of a mistuned amp (like when you start tuning the amp), you may have high grid current. Grid current that is too high can destroy the tube. Also, if you are matching the am; /archives//html/Amps/2002-02/msg00135.html (8,195 bytes)
5. [AMPS] SB-220 (score: 1): Author: 2@mail.vcnet.com (Rich...); Date: Thu, 14 Feb 2002 09:07:13 -0800; -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com; /archives//html/Amps/2002-02/msg00138.html (7,444 bytes)
6. [AMPS] SB-220 (score: 1): Author: 2@mail.vcnet.com (Rich...); Date: Thu, 14 Feb 2002 10:25:30 -0800; ? Yes, and it allows an accurate tuneup with a power supply that won't maintain anode supply V with AØ. cheers, Paul - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measure; /archives//html/Amps/2002-02/msg00139.html (7,447 bytes)
7. [AMPS] SB-220 (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Thu, 14 Feb 2002 12:19:41 -0600; "Paul - VE3ZT" <VE3ZT@rac.ca> writes -- IIRC, Rich is the instigator of the notorious 555-based "pulser" tuning device, AKA "The Death Ray" at this QTH. A very useful aid for tuning. Jim N6OTQ -- FAQ; /archives//html/Amps/2002-02/msg00140.html (7,607 bytes)
8. [AMPS] SB-220 (score: 1): Author: nospam4me@juno.com (skipp isaham); Date: Sat, 16 Feb 2002 16:17:28 -0800; From: Richard <2@mail.vcnet.com> - why would it be harder on the switch contacts..? - - - What is an exorcism when applied to an SB-220? - - - I remove and replace the FT-1000D with the radio I prefe; /archives//html/Amps/2002-02/msg00172.html (8,514 bytes)
9. [AMPS] SB-220 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Sun, 17 Feb 2002 05:14:14 -0800; ? The 922 HV transformer has lower R, so there is more inrush I. ? This gets pretty complex, however, briefly, you obtain a prayercloth with the callsign of the station embroidered in >3" characters; /archives//html/Amps/2002-02/msg00174.html (10,200 bytes)
10. [AMPS] SB-220 (score: 1): Author: jkolin@worldnet.att.net (J Kolin); Date: Wed, 3 Oct 2001 00:04:02 -0400; I have an SB-220 UNBUILT kit in the original two cartons. Complete. What is this thing worth these days? Jay NE2Q -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Ad; /archives//html/Amps/2001-10/msg00031.html (7,310 bytes)
11. [AMPS] SB-220 (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 3 Oct 2001 07:35:47 -0700; Wow, I'll bet that's worth quite a bit to a bona fide Heath collector! To the rest of us, it's just an old pair of 3-500Z's and a pile of parts... -- FAQ on WWW: http://www.contesting.com/FAQ/amps Su; /archives//html/Amps/2001-10/msg00037.html (7,837 bytes)
12. [AMPS] SB-220 (score: 1): Author: w2ge@home.com (Phil Levin W2GE); Date: Wed, 3 Oct 2001 11:21:23 -0400; Would you believe maybe 2000 or more??? With eBay these days anything is possible. Unbuilt Heathkits are like gold.... Phil W2GE I have an SB-220 UNBUILT kit in the original two cartons. Complete. Wh; /archives//html/Amps/2001-10/msg00038.html (7,949 bytes)
13. [AMPS] SB-220 (score: 1): Author: wb8jkr@juno.com (wb8jkr@juno.com); Date: Wed, 3 Oct 2001 11:33:44 -0400; On Ebay you should get 3 grand !! ;^( I wouldn't give more than $600.00 but its just my opinion. Mark WB8JKR On Wed, 3 Oct 2001 00:04:02 -0400 "J Kolin" <jkolin@worldnet.att.net> writes: ____________; /archives//html/Amps/2001-10/msg00039.html (8,194 bytes)
14. [AMPS] SB-220 (score: 1): Author: 2@vc.net (2); Date: Wed, 3 Oct 2001 08:51:36 -0700; // On e.bay,com one sold for a seemingly celestial price. cheers - R. L. Measures, 805.386.3734, AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps; /archives//html/Amps/2001-10/msg00040.html (8,346 bytes)
15. [AMPS] SB-220 (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 3 Oct 2001 08:59:28 -0700; Hard to believe anyone would pay $2K for having to do at least two weekends' worth of work and end up with an amplifier that is beneath the overall quality and performance of, say, an AL-82 that cost; /archives//html/Amps/2001-10/msg00042.html (9,578 bytes)
16. [AMPS] SB-220 (score: 1): Author: doug@nc.rr.com (Doug Hall); Date: Wed, 3 Oct 2001 13:57:24 -0400; I can't tell from your comment whether you're serious or not. Surely you must know that the vast majority of people who buy unbuilt Heathkits have no intention of ever building them. And even though; /archives//html/Amps/2001-10/msg00047.html (8,554 bytes)
17. [AMPS] SB-220 (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 3 Oct 2001 10:55:03 -0700; Hi Doug, Unfortunately, I was serious. But then, I've never been a "collector" of anything. My enjoyment in ham radio is actually using the equipment and making contacts with it. I know there are oth; /archives//html/Amps/2001-10/msg00048.html (9,374 bytes)
18. [AMPS] SB-220 (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Wed, 3 Oct 2001 14:46:21 -0500; They don't even want the box to be opened! The minute construction is begun, the price drops about $2 grand on a 220. E-Bay never ceases to amaze me....Collins, Drake, and un-built Heaths bring unbe; /archives//html/Amps/2001-10/msg00051.html (7,705 bytes)
19. [AMPS] SB-220 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 3 Oct 2001 17:03:26 -0400; I have a few dozen original SB-220 parts boxes and tape, plus the shipping boxes that were sent to me when I was doing work for Heath. I'm actually using them for trash boxes. It sounds like the box; /archives//html/Amps/2001-10/msg00055.html (7,777 bytes)
20. [AMPS] SB-220 (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 3 Oct 2001 15:30:23 -0700; The human species never ceases to amaze me. "Each success only buys an admission ticket to a more difficult problem." -- Henry Kissinger -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions:; /archives//html/Amps/2001-10/msg00059.html (8,343 bytes)

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