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References: [ +from:klahaie@centricata.com: 31 ]

Total 31 documents matching your query.

1. [Amps] FL-2000b tuned input problem (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Fri, 03 Mar 2006 12:08:46 -0800
Hello Amps list. I couldn't resist picking up an FL-2000b amp for 50 bucks. Overall, clean. Needed new diodes, had 3 new electrolytics. HV now 2400v. T/R Relay needed cleaning. Works fine now. Put a
/archives//html/Amps/2006-03/msg00045.html (7,536 bytes)

2. Re: [Amps] Obnoxious Henry blower? (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Sat, 25 Mar 2006 11:52:07 -0800
Kevin, see Steve, K7EM's solution to this, and some other nice mods on his 5K Classic http://www.bctonline.com/~skelly/henry_amplifier/henry_5k_amp.html I have the Henry 2K Classic X, it's used only
/archives//html/Amps/2006-03/msg00665.html (7,790 bytes)

3. Re: [Amps] replacement filter caps (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Sun, 09 Apr 2006 19:24:08 -0700
Alan What you have there are 'snap ins', which will work in perf-board, or of course etched circuit boards. The '3 in an arc' will have one with a 'cross hatch' pattern stamped on the round part, tha
/archives//html/Amps/2006-04/msg00131.html (8,888 bytes)

4. [Amps] Sources of CPVC for GS35b Chimney (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Thu, 13 Apr 2006 12:29:00 -0700
Hello group Among the many amp projects I have in the works, one is based on the GS-35b. Per Jim, K7RDX, 'Hot Water Rated' PCV in the 4" size is the perfect size and a durable material for a chimney.
/archives//html/Amps/2006-04/msg00230.html (7,825 bytes)

5. [Amps] Kitchen Aid Silicone for Chimneys (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Fri, 14 Apr 2006 15:14:21 -0700
Well, It seems there are issues with using PVC or CPVC close to lots of RF, so I now consider it a potentially risky option. Silicone Sheet, on the other hand, seems to be widely used. It has been av
/archives//html/Amps/2006-04/msg00265.html (8,174 bytes)

6. [Amps] Oscilloscope view of Modulation (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Fri, 09 Jun 2006 12:00:06 -0700
Hello After a computer change, I lost a link to a website that gave great instructions to setup an oscilloscope to monitor modulation, and therefore ensure a clean, splatter free signal. Anybody have
/archives//html/Amps/2006-06/msg00242.html (6,733 bytes)

7. Re: [Amps] FL2100B (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Sun, 28 Jan 2007 09:33:45 -0800
Carl, I am having an experience similiar to yours, except on an FL-2000B. The only tubes I have are RF Parts Taylors, a matched pair which I am pretty sure also are chinese in origin, and would share
/archives//html/Amps/2007-01/msg00288.html (8,848 bytes)

8. [Amps] Testing a pair of 3CPX800A7's (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Mon, 05 Mar 2007 12:06:59 -0800
I have a pair of 3CPX800A7's pulls, purchased with claimed 'full output', and I have no reason to doubt it, equally no reason to believe it! I recently acquired an Alpha 89 amplifier, which uses the
/archives//html/Amps/2007-03/msg00076.html (7,115 bytes)

9. Re: [Amps] Fast 200 Watt Relay (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Tue, 10 Jul 2007 09:46:28 -0700
I have purchased, but not yet used, the D'Italia relays from Max Gain systems. Anybody used these? 4ms make, 3ms release times, and a suggested minimum of 200 watt rating. These also have a spare set
/archives//html/Amps/2007-07/msg00160.html (7,377 bytes)

10. [Amps] Henry 2K-3 PS Mod (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Fri, 21 Mar 2008 11:37:34 -0800
Hello I am planning to convert the stock P/S in my Henry 2K-3 to a purely capacitor filter primarily to increase the HV, but in addition some way that capacitor filters are better for SSB. My other,
/archives//html/Amps/2008-03/msg00193.html (8,098 bytes)

11. [Amps] Henry 2K, 2K-2, 2K-3 Power Supplies (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Thu, 24 Jul 2008 21:30:13 -0700
Greetings I still need to replace the choke in the power supply of my Henry 2K-3, floor console version. I have gained access to power supply parts from both a 2K, and a 2K-2, but they are not local
/archives//html/Amps/2008-07/msg00236.html (7,489 bytes)

12. [Amps] 8877 Advice (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Wed, 30 Jul 2008 21:06:25 -0700
Lucky Me! (Maybe?) Received a pair of Eimac 8877's from a friend, condition unknown but initial checks show no shorts, and physically one appears to have very little use (lettering still bright, just
/archives//html/Amps/2008-07/msg00362.html (7,623 bytes)

13. Re: [Amps] 8877 Advice (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Thu, 31 Jul 2008 12:07:56 -0700
Thanks for all the good advice on determining the health of my 8877's. I have sent an email to Zonumindustries.com to see what the testing service costs, and will share that info with the list. This
/archives//html/Amps/2008-07/msg00373.html (7,597 bytes)

14. Re: [Amps] Burning in an 8877 (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Tue, 05 Aug 2008 10:55:28 -0700
Follow Up on the 8877 testing / burn in thread I received a return phone call from Manuel at Zonum Industries (www.zonumindustries.com) They perform complete testing of the 8877 for $50, plus return
/archives//html/Amps/2008-08/msg00036.html (7,576 bytes)

15. Re: [Amps] 374A (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Tue, 12 Aug 2008 10:59:11 -0700
Care to share the filament transformer source - I am considering this same modification! 73 Kevin K7ZS _______________________________________________ Amps mailing list Amps@contesting.com http://lis
/archives//html/Amps/2008-08/msg00070.html (7,523 bytes)

16. Re: [Amps] 374A Filament transformer (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Tue, 12 Aug 2008 12:38:51 -0700
Hi Bob Hmmm ... In looking at the spec, this part only has enough current for a single tube, when you put the dual 8v secondaries in series, necessary for the 13.5v 1.5a heater. The conversion calls
/archives//html/Amps/2008-08/msg00074.html (7,230 bytes)

17. [Amps] 8877 HiPot test (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Wed, 13 Aug 2008 21:54:29 -0700
Had a chance to put my 8877's on a commercial HiPot tester today, and I think the tubes passed that test just fine. Each measured ZERO current flowing, measuring between grid and plate, with 4KV on t
/archives//html/Amps/2008-08/msg00090.html (7,583 bytes)

18. Re: [Amps] 3-500Z glitch resistor (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Mon, 08 Sep 2008 18:57:45 -0700
Harbach recommends a single strand of #32 or 36 wire create a fusible link, in series with the current limiting resistor. Makes sense - inexpensive with big potential returns! A recommended source of
/archives//html/Amps/2008-09/msg00061.html (8,603 bytes)

19. [Amps] Source of HVB Fuse? (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Sun, 05 Oct 2008 08:43:45 -0700
Just about done restoring a Henry 2K to original condition, and I find that the HV fuse is open. It was made by Littlefuse, 1.5a @ 2500v. Searching the Internet, I see reference to Cooper/Bussman HVB
/archives//html/Amps/2008-10/msg00028.html (6,710 bytes)

20. [Amps] HVB Fuse Readily Available! (score: 1)
Author: Kevin LaHaie <klahaie@centricata.com>
Date: Mon, 06 Oct 2008 10:09:27 -0700
Thanks for all the responses regarding the HV fuse. There are numerous sources for these, that will allow single units to be ordered. Best price, through it all, was Henry Radio who still stocks the
/archives//html/Amps/2008-10/msg00031.html (7,233 bytes)

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