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Total 28 documents matching your query.

1. [Amps] SB-1000 meter switch (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Sun, 31 Oct 2004 10:01:09 -0500
Reflectees: Does anyone know of an available replacement for the 4PDT PCB mounted rotary tap switch for the meter function HV/IP/PO/ALC. The circuit designation is SW201A/SW201B. Thanks in advance. P
/archives//html/Amps/2004-10/msg00524.html (7,095 bytes)

2. [Amps] SB-1000 meter switch (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Mon, 1 Nov 2004 14:48:42 -0500
Reflectees: Does anyone know of an available replacement for the 4PDT PCB mounted rotary tap switch for the meter function HV/IP/PO/ALC. The circuit designation is SW201A/SW201B. Thanks in advance. P
/archives//html/Amps/2004-11/msg00006.html (6,356 bytes)

3. [Amps] SB-1000 meter switch found (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Mon, 8 Nov 2004 18:51:51 -0500
FYI: Ref: Earlier posting of inquiry. Ameritron has a 6PDT switch that is an exact replacement for the SB-1000 from the AL-80 series. You have to move the switch stop on top two positions to change i
/archives//html/Amps/2004-11/msg00124.html (6,478 bytes)

4. [Amps] Taylor 3CX1500 (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Wed, 6 Aug 2008 09:53:20 -0400
Hi all: I have noticed recently that RF Parts is selling the Taylor 3CX1500 at a "special price" of $569.95 as compared to $1,095.00 for the Eimac tube. Also, Ameritron is selling the AL-1500 for $40
/archives//html/Amps/2008-08/msg00041.html (6,540 bytes)

5. [Amps] Ameritron Electronic Bias Board (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Tue, 23 Dec 2008 14:05:49 -0500
I would appreciate hearing directly from anyone that has installed the Ameritron EBS-1H electronic bias board on a single 3-500Z amplifier. Reviewing how the AL-80B has an electronic bias circuit inc
/archives//html/Amps/2008-12/msg00309.html (7,185 bytes)

6. [Amps] 8877 pricing (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Thu, 8 Jan 2009 14:06:22 -0500
I found a good source for Eimac 3CPX1500A7/8877 tubes from Harbach Electronics. http://www.harbachelectronics.com/<http://www.harbachelectronics.com/> This is the pulse version of the tube and it is
/archives//html/Amps/2009-01/msg00065.html (6,946 bytes)

7. [Amps] 3CPX1500A7 (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Tue, 13 Jan 2009 15:26:37 -0500
I'm using one in my AL-1500 at 3400 VDC unloaded. As you can see in the description below, it is essentially the same as a standard 8877 except the envelope is about .1 inch taller to allow for highe
/archives//html/Amps/2009-01/msg00113.html (8,076 bytes)

8. [Amps] Open letter (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Sat, 28 Feb 2009 00:01:40 -0500
I would like to add my testimony to indicate the satisfaction I have had in my dealings with Harbach Electronics and Jeff. I have purchased several components for my older Heath equipment and a spare
/archives//html/Amps/2009-02/msg00705.html (6,554 bytes)

9. [Amps] 3-500Z filaments (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Sun, 23 May 2010 13:01:04 -0400
FYI: I would like to relate a particular experience I had with my SB-221 several years ago relating to the filament pin melting issue that Lou mentioned. At that time, the tubes were the Eimac versio
/archives//html/Amps/2010-05/msg00331.html (7,994 bytes)

10. [Amps] New TL-922A Band Switch (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Sun, 13 Jun 2010 04:51:15 -0400
I just saw an ad on eBay (item #180517761547) for a new unused switch. $185 is the buy it now price. Jim, K1PX K1PX at msn.com _______________________________________________ Amps mailing list Amps@c
/archives//html/Amps/2010-06/msg00161.html (6,469 bytes)

11. [Amps] Variac (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Mon, 12 Jul 2010 09:07:06 -0400
Hi all: I just bought a used Powerstat 120V/12A variac. Is there a recommended lubricant to apply to the wiper or just leave it alone? It needed a new power cord and seems to be working properly. Tha
/archives//html/Amps/2010-07/msg00102.html (6,370 bytes)

12. [Amps] Tubes and Amp FS (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Mon, 16 Aug 2010 12:56:24 -0400
I have an Eimac 3CX1500A7, Amperex 3-500z, Pair of Cetron 572B's and a pair of Eimac 3-500Z's FS on QTH.com. Under Search ads select Listing number of AD and enter 847283. I have an updated Heath SB-
/archives//html/Amps/2010-08/msg00250.html (6,435 bytes)

13. [Amps] FS Tubes and Amp (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Mon, 16 Aug 2010 17:44:11 -0400
When I edited the ad below, it changed the tube ad # to: 847284 "I have an Eimac 3CX1500A7, Amperex 3-500z, Pair of Cetron 572B's and a pair of Eimac 3-500Z's FS on QTH.com. Under Search ads select L
/archives//html/Amps/2010-08/msg00270.html (6,536 bytes)

14. [Amps] FS: SB-200 and 3CX1500A7 (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Tue, 5 Oct 2010 09:20:45 -0400
I have a Heath SB-200 w/new tubes, Harbach soft start, soft key and rectifier/filter board installed and upgraded fan assembly. I have an Eimac 3CX1500A7/8877 dated 0613 tested once as a spare availa
/archives//html/Amps/2010-10/msg00026.html (6,509 bytes)

15. [Amps] SB-1000 transformer (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Thu, 7 Oct 2010 13:56:37 -0400
Mike: To confirm what others have indicated, my SB-1000 Transformer shorted out from HV to the filament leads. Unfortunately, it is a common problem. Ameritron offers the AL-80B transformer with a br
/archives//html/Amps/2010-10/msg00099.html (6,620 bytes)

16. [Amps] Alpha 89 blower issue (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Thu, 17 Feb 2011 06:57:21 -0500
A friend of mine, who doesn't have Internet access at the moment, has a pair of Alpha 89 amps. The one that is used as a backup or spare had the blower replaced by Alpha (now RF Concepts) in 2005 so
/archives//html/Amps/2011-02/msg00129.html (6,678 bytes)

17. [Amps] SB-220/221 filament pin issue (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Fri, 9 Dec 2011 09:47:36 -0500
Years ago, I found that the rear filament pins solder was melting with my Eimac 3-500Z's in my SB-221. This happened on more than one occasion with non-contest use of the amp. The pins, of course, ar
/archives//html/Amps/2011-12/msg00075.html (7,448 bytes)

18. [Amps] TL-922/TL-922A bandswitches (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Fri, 3 Aug 2012 09:09:34 -0400
I saw these on eBay and they are manufactured here in the USA in case anyone is looking to replace one. I'm not associated with Multi-Tech Industries in any way. http://www.ebay.com/itm/Replacement-B
/archives//html/Amps/2012-08/msg00076.html (7,225 bytes)

19. [Amps] 8877 (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Fri, 16 Nov 2012 11:28:19 -0500
It might also be worth noting that Ameritron sells a version of the AL-1500 (AL-1500F) with an imported tube for $900 less than the standard amplifier. Jim, K1PX K1PX at MSN.com _____________________
/archives//html/Amps/2012-11/msg00108.html (7,169 bytes)

20. [Amps] Ameritron AL-1500 inquiry (score: 1)
Author: "Jim Monahan" <K1PX@msn.com>
Date: Thu, 24 Jan 2013 10:48:06 -0500
I have a later version of this amp that uses two Schrack sealed T/R relays (1 - RTD14012F SPDT 16A and 1 - RTE24012F DPDT 8A both 12VDC) for antenna switching mounted on a small board. The manual sho
/archives//html/Amps/2013-01/msg00143.html (6,961 bytes)

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