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Total 68 documents matching your query.

1. [Amps] Need Drake L7 Plate Tuning (score: 1)
Author: Tim Duffy K3LR <k3lr@k3lr.com>
Date: Sat, 29 May 2004 09:48:27 -0500
I am looking for a new or good used Drake L7 plate tuning variable capacitor for a DX friend of mine. Please let me know if you or someone you know has one. Thanks and 73! Tim K3LR __________________
/archives//html/Amps/2004-05/msg00260.html (6,657 bytes)

2. Re: [Amps] TL-922A Wanted!!! (score: 1)
Author: Tim Duffy K3LR <k3lr@k3lr.com>
Date: Sun, 05 Dec 2004 18:10:12 -0600
Speaking of the TL-922A, does anyone know of one for sale? Dead or alive. Please contact me directly at k3lr@k3lr.com 73! Tim K3LR _______________________________________________ Amps mailing list Am
/archives//html/Amps/2004-12/msg00095.html (9,465 bytes)

3. Re: [Amps] .82 ohm (score: 1)
Author: Tim Duffy K3LR <k3lr@k3lr.com>
Date: Mon, 06 Dec 2004 08:26:22 -0600
I'm sure that Mouser and Digi Key have them. I bought some a few weeks ago when I was in Anchorage, Alaska. They have a killer parts store, Frigid North. It is also on the web and you can buy .82 ohm
/archives//html/Amps/2004-12/msg00111.html (7,718 bytes)

4. [Amps] FINN-FET Amplifiers (score: 1)
Author: Tim Duffy K3LR <k3lr@k3lr.com>
Date: Thu, 23 Dec 2004 22:17:48 -0600
There is limited information on the Web concerning these solid state amps. Can anyone tell me how to purchase one? Thanks and 73, Tim K3LR _______________________________________________ Amps mailing
/archives//html/Amps/2004-12/msg00302.html (6,279 bytes)

5. Re: [Amps] Amps] High voltage rectifiers for Henry 3K (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Mon, 24 Dec 2007 16:48:17 -0600
Here is a nice looking diode bridge solution http://home.earthlink.net/~wd7s/hv-2.htm 73 and Merry Christmas! Tim K3LR http://www.k3lr.com K3LR DX Cluster telnet://dx.k3lr.com That would be like putt
/archives//html/Amps/2007-12/msg00235.html (8,681 bytes)

6. Re: [Amps] Dentron 160-10L (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Tue, 18 Mar 2008 12:08:10 -0500
This was one of the very first amplifiers Dentron sold. The stock 160-10L does not have a tuned input network. This makes it hard to use with some transmitters. Good Luck and 73! Tim K3LR http://www.
/archives//html/Amps/2008-03/msg00167.html (8,281 bytes)

7. Re: [Amps] Relays (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sun, 30 Mar 2008 11:57:54 -0500
I have been using single Kilovac HC-1 and Jennings RJ1A relays for input and output T/R switching on all of my single 8877 amplifiers for the past 25 years. Even in heavy contest operating, I have ha
/archives//html/Amps/2008-03/msg00359.html (9,551 bytes)

8. Re: [Amps] Relays (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sun, 30 Mar 2008 13:14:54 -0500
Hello Paul! The rig delay of only 3 Ms could be a real problem. We never run QSK, so I am sure that helps prolong the life of the relays in use at K3LR. The K3LR Icom radios and computer CW keyers an
/archives//html/Amps/2008-03/msg00362.html (10,602 bytes)

9. Re: [Amps] Relays (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sun, 30 Mar 2008 13:42:45 -0500
Yes, we use foot switches on SSB. This has not been a problem for hot switching for us. There is a small delay from when PTT is actuated in the radio and when RF production starts, so we are all OK.
/archives//html/Amps/2008-03/msg00365.html (9,378 bytes)

10. Re: [Amps] Repair Source for RF Applications P-5000 Wattmeter (score: 1)
Author: "Tim Duffy K3LR" <K3LR@k3lr.com>
Date: Wed, 28 May 2008 16:21:00 -0500
Sadly Bruce, W8GN died a few years ago. 73, Tim K3LR My P-5000 has bitten the dust. It seems that the company has also gone QRT. Bruce Knox, W8GN was the owner; that call now belongs to someone else!
/archives//html/Amps/2008-05/msg00212.html (8,085 bytes)

11. Re: [Amps] Ameritron Amps? (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sat, 30 Aug 2008 17:14:39 -0500
Hi Gary! I own both the AL-1200 and AL-1500 amps. Both have no trouble making 1500 watts with less than 100 watts drive. The 1500 is easier to drive (less power). The 1500 is also more sensitive to V
/archives//html/Amps/2008-08/msg00172.html (8,986 bytes)

12. Re: [Amps] RF Interference (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sat, 11 Oct 2008 11:18:26 -0500
Hi Bob: Try this on the RFI reflector. Lots of great experience there. rfi@contesting.com 73! Tim K3LR This may be a little off target for this reflector but maybe someone can offer up some advice, a
/archives//html/Amps/2008-10/msg00050.html (9,798 bytes)

13. Re: [Amps] Intro and a query - which amp? (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Fri, 7 Nov 2008 16:29:36 -0600
Hello Steve! I have had good success with the Ameritron AL1200 and AL1500. Both amplifiers have worked well at 1500 watts output under contest conditions without failure. 73! Tim K3LR A quick intro -
/archives//html/Amps/2008-11/msg00046.html (9,232 bytes)

14. [Amps] Drake L7 - L4B tune capacitor needed (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Thu, 20 Nov 2008 15:55:34 -0600
I have a friend that needs a new Drake L7 variable tuning capacitor. He says a L4B tuning capacitor will work fine too. Does anyone have one they are willing to sell? Thanks and 73, Tim K3LR ________
/archives//html/Amps/2008-11/msg00202.html (6,630 bytes)

15. Re: [Amps] rx noise? (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sat, 6 Dec 2008 11:28:44 -0600
Hi Dave, I don't know the relay(s) used in the HF-2500, but I wonder if this problem is one of the RX/TX relays in the amp (either input or output side contacts) that is starting to go bad? Sort of l
/archives//html/Amps/2008-12/msg00122.html (8,637 bytes)

16. Re: [Amps] AL-1500 tuning (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sat, 6 Dec 2008 11:30:28 -0600
Hello George, What is your amp input VSWR on 15 meters? Close to the same as the other bands or different (worse)? This could be a input network problem. 73, Tim K3LR I thought I would ask for some i
/archives//html/Amps/2008-12/msg00123.html (8,337 bytes)

17. Re: [Amps] 3CX1500D7 quote (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Wed, 7 Jan 2009 19:07:12 -0600
The original 3CX1500 - aka the 8877 - pulls are less than $300.00! 73, Tim K3LR I thought folks might be interested in the quote I received from CPI for 1- 3CX1500D7 tube. Would you believe $966.00!!
/archives//html/Amps/2009-01/msg00044.html (8,187 bytes)

18. Re: [Amps] 3-500zs to 8877 (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Wed, 21 Jan 2009 11:51:04 -0600
Single 8877 pulls are readily available from several sources - great shape - They run for lots of years at 1500 watts with 40 to 50 watts of drive = about $300 Not too bad! 73, Tim K3LR Pair of 3-500
/archives//html/Amps/2009-01/msg00211.html (12,533 bytes)

19. Re: [Amps] SB-220 Drive Levels (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Thu, 22 Jan 2009 17:11:30 -0600
Hi Jeff: The SB-220 was never designed to generate 1.5 KW output. Running 1.5 KW with the SB-220 will surely shorten the life of several components! The SB-220 was designed to run 1 KW INPUT on CW an
/archives//html/Amps/2009-01/msg00247.html (8,394 bytes)

20. Re: [Amps] Heil addition to Bose QC2 headphones (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sat, 24 Jan 2009 15:44:02 -0600
Here you go Mike. http://www.freewebs.com/k1dg/boseheadphonemod.htm 73, Tim K3LR I recently saw an instruction regarding addition of a Heil boom mic. to QC2 headphones. I thought it was from K3LR, bu
/archives//html/Amps/2009-01/msg00282.html (7,549 bytes)

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