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Total 68 documents matching your query.

21. Re: [Amps] Source for good YC156 tubes and hv oil capacitors (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Tue, 27 Jan 2009 14:11:05 -0600
Hi Rich: Here is a source for HV capacitors that I have used with great success. http://stores.ebay.com/QRO-Stuff-Store 73! Tim K3LR http://www.k3lr.com I am looking for source for good yc156 tubes a
/archives//html/Amps/2009-01/msg00322.html (7,804 bytes)

22. Re: [Amps] Source for good YC156 tubes and hv oil capacitors (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Tue, 27 Jan 2009 15:01:58 -0600
Hi Rich: I have used these capacitors at 4 KV with no problem. They say they are good for 5 KV, but I have never needed that much voltage to run 1500 watts output. 40 uF is plenty for a stable HV ful
/archives//html/Amps/2009-01/msg00323.html (10,074 bytes)

23. Re: [Amps] Crydom Solid State Relays (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Wed, 28 Jan 2009 23:26:58 -0600
Hi Bob: I have used Crydom SSR relays in AC ON and step start circuits for 15 years with no special bypassing. No problems at all with this set up. 73, Tim K3LR http://www.k3lr.com The power supply o
/archives//html/Amps/2009-01/msg00340.html (8,471 bytes)

24. Re: [Amps] Crydom Solid State Relays (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Thu, 29 Jan 2009 01:19:45 -0600
Is there a suggested Mouser available "snubber" capacitor R/C combo that has worked well? Maybe you or John know the correct part for us? Thanks 73, Tim K3LR ...the Crydoms are "quieted" inside, so t
/archives//html/Amps/2009-01/msg00343.html (10,492 bytes)

25. [Amps] Thanks to W9AC and K5PC! (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sat, 31 Jan 2009 21:50:23 -0600
Paul's documentation of his Alpha 77 8877 filament mods (really nice pictures) and Phil's comments on troubleshooting the QSK-5 are both GREAT and saved! And that's just what has happened in the last
/archives//html/Amps/2009-01/msg00383.html (6,720 bytes)

26. Re: [Amps] SB-220's, 3-500's, some history (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Fri, 6 Feb 2009 18:24:44 -0600
Thanks for sharing this valuable information Lou. Your email is a keeper! 73! Tim K3LR Unlike many hams who could count on one hand how many SB-220 amps they have owned in a life time, some have to g
/archives//html/Amps/2009-02/msg00161.html (13,500 bytes)

27. Re: [Amps] High voltage/wattage zeners (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sun, 8 Feb 2009 22:04:43 -0600
RF Parts has 50 watt zeners as well 73, Tim K3LR K2AW's Silicone Alley has 50 watt zeners. (((73))) Phil, K5PC _______________________________________________ Amps mailing list Amps@contesting.com ht
/archives//html/Amps/2009-02/msg00218.html (8,677 bytes)

28. [Amps] New SB-220 KIT on Ebay (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sat, 14 Feb 2009 14:05:58 -0600
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem <http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MEWAX:IT&item =170301759918> &ssPageName=STRK:MEWAX:IT&item=170301759918 _________________
/archives//html/Amps/2009-02/msg00450.html (7,139 bytes)

29. [Amps] SB-220 Kit link. 2nd try (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sat, 14 Feb 2009 14:09:21 -0600
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MEWAX:IT&item= 170301759918 _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting
/archives//html/Amps/2009-02/msg00451.html (7,397 bytes)

30. Re: [Amps] RJ1A coils (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sat, 14 Feb 2009 19:25:11 -0600
Hi Charlie! Check out this page. They have what you are looking for. http://www.mgs4u.com/RF-Microwave/vacuum-relays-SPDT.htm 73! Tim K3LR I am looking for a source for the actuator coil associated w
/archives//html/Amps/2009-02/msg00460.html (7,319 bytes)

31. Re: [Amps] re 8877 pulls (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Fri, 13 Mar 2009 04:48:39 -0500
Hello Fern! I have 13 amplifiers that use 8877 pulls. The 8877 tube is far in a way my favorite tube for generating 1500 watts with low drive power on the HF bands. A few months back I posted here th
/archives//html/Amps/2009-03/msg00372.html (8,422 bytes)

32. Re: [Amps] re 8877 pulls (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Tue, 17 Mar 2009 10:14:44 -0500
Sorry, I mistyped Bruce's call. He is WA2TMC. Thanks to N2WK for letting me know. 73, Tim K3LR --Original Message-- From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On Behalf Of
/archives//html/Amps/2009-03/msg00464.html (9,496 bytes)

33. Re: [Amps] 8877s? (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Tue, 5 May 2009 15:24:20 -0500
Hi Tom! Contact Bruce, WA2TMC for FB 8877 pulls bsidari@rochester.rr.com 73! Tim K3LR http://www.k3lr.com --Original Message-- From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] O
/archives//html/Amps/2009-05/msg00023.html (7,202 bytes)

34. Re: [Amps] Doorknob Caps Needed (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Wed, 27 May 2009 15:51:59 -0500
Hi Dick, Check with RF Parts and Surplus Sales of Nebraska. QRO Parts on Ebay may have them as well. 73! Tim K3LR I have given up on the idea of repairing this cap. Does anyone have for sale or know
/archives//html/Amps/2009-05/msg00219.html (8,051 bytes)

35. Re: [Amps] Doorknob Caps Needed (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Wed, 27 May 2009 18:13:11 -0500
Hello Dick, I looked at both RF Parts and Surplus Sales just now. 100 pF door knobs are in stock at both places. I sent the details to your email address directly. 73, Tim K3LR --Original Message-- F
/archives//html/Amps/2009-05/msg00226.html (9,205 bytes)

36. Re: [Amps] DRAKE 6 Meter Amp (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Thu, 6 Aug 2009 15:23:37 -0500
Maybe it was a Raytrack 6 meter amplifier? They looked like the L4 line 73, Tim K3LR That could be right, after all it was over 45 years ago I had it. It sure did look like a Drake. 73, Dick, W1KSZ a
/archives//html/Amps/2009-08/msg00103.html (10,471 bytes)

37. Re: [Amps] Arnold Howell contact info.. for YC-156's + pole pigs (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sat, 27 Mar 2010 15:59:59 -0500
A Google search found this http://chat.qth.com/viewtopic.php?p=3003&sid=35d894f2c8c3c59aff2cab41b5f787e 5 73, Tim K3LR --Original Message-- From: amps-bounces@contesting.com [mailto:amps-bounces@cont
/archives//html/Amps/2010-03/msg00691.html (9,959 bytes)

38. Re: [Amps] Arnold Howell contact info.. for YC-156's + pole pigs (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sat, 27 Mar 2010 21:21:59 -0500
I emailed with a good friend of mine who is a broadcast engineer in Youngstown. Two thumbs up on Arnold as FB for good tubes. 73, Tim K3LR --Original Message-- From: amps-bounces@contesting.com [mail
/archives//html/Amps/2010-03/msg00700.html (9,876 bytes)

39. Re: [Amps] our amplifier in 2010 CQWW (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Mon, 8 Nov 2010 20:36:11 -0600
The CQ WorldWide rules state that no station may use more than 1500 watts output - even if the limit for a country is greater than 1500 watts - as noted below: Total output power per band must not ex
/archives//html/Amps/2010-11/msg00061.html (10,404 bytes)

40. Re: [Amps] 2010 ARRL Handbook (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Fri, 12 Nov 2010 17:34:33 -0600
Hello Ed; There is a very detailed HF amplifier construction article in the 2010 Handbook using the 3CX1500D7 tube. Also a 6 meter amplifier using the 4CX1600B. Solid state amplifiers are featured as
/archives//html/Amps/2010-11/msg00173.html (8,583 bytes)

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