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References: [ +from:rfp@rfparts.com: 25 ]

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1. [AMPS] Henry 2000D & 3000D (score: 1): Author: rfp@rfparts.com (RF Parts Company); Date: Tue, 24 Mar 1998 18:57:03 -0800; I have some of these power generators and wonder if anyone has modified the whole unit for amateur operation. Any unusual problems other than converting to a linear amplifier with switching, etc.? Th; /archives//html/Amps/1998-03/msg00397.html (6,956 bytes)
2. [AMPS] Henry 2000D & 3000D (score: 1): Author: rfp@rfparts.com (rfp@rfparts.com); Date: Wed, 25 Mar 1998 17:05:23 -0800; Hi Brian: The units have an ordinary 3CX3000A7 circuit optimized for 13.76 MHz. and designed to provide continuous RF for industrial uses. The final box may be a bit tight for multiband use, however,; /archives//html/Amps/1998-03/msg00423.html (7,224 bytes)
3. [AMPS] PT9790 (score: 1): Author: rfp@rfparts.com (rfp@rfparts.com); Date: Sat, 28 Mar 1998 14:34:30 -0800; Hi Peter: The PT9790 may be hard to find. Using the MRF429 may be satisfactory. Replace them in pairs. You can tell how well the pair match the circuit by feeling the temperature rise of the terminat; /archives//html/Amps/1998-03/msg00475.html (6,744 bytes)
4. [AMPS] RCA 7213 (score: 1): Author: rfp@rfparts.com (rfp@rfparts.com); Date: Mon, 30 Mar 1998 15:37:00 -0800; Hi Larry: I have thought the same thing. 7213's are being used on 70 cm & 23 cm. It is designed for cavity use, however, if you can build a socket it should put out lots of fire. I wonder if anyone h; /archives//html/Amps/1998-03/msg00489.html (7,980 bytes)
5. [AMPS] on line catalog (score: 1): Author: rfp@rfparts.com (rfp@rfparts.com); Date: Wed, 28 Jan 1998 11:20:27 -0800; Hi guys-- We just got our catalog up on www.rfparts.com. Would appreciate any comments by e-mail. Thanks Merit W6NQ -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.c; /archives//html/Amps/1998-01/msg00109.html (6,632 bytes)
6. [AMPS] RCA tube ID (score: 1): Author: rfp@rfparts.com (rfp@rfparts.com); Date: Fri, 30 Jan 1998 17:08:28 -0800; I thought I would ask if anyone might have a clue as to the idenity of a strange RCA tube used in a 1965 Microdot Model 227 s/n 1 power amplifier 200-400 MHz owned by Joe K6IBY. Joe brought the tube; /archives//html/Amps/1998-01/msg00129.html (7,299 bytes)
7. [AMPS] 3CX800A7 (score: 1): Author: rfp@rfparts.com (Merit); Date: Sun, 02 Nov 1997 11:31:20 -0800; Just to clarify things a bit from RF Parts' perspective-- Svetlana doesn't seem to be making many of the 3CX800A7 tubes, or at least not sending them to us. We have had a standing order for 100 pcs f; /archives//html/Amps/1997-11/msg00013.html (7,468 bytes)
8. [AMPS] 3CX800A7 & 3-600Z (score: 1): Author: rfp@rfparts.com (Merit); Date: Mon, 03 Nov 1997 10:19:31 -0800; In reference to the continuing comments regarding pricing policies by Svetlana, RF Parts, et al., I believe my posting of 11/2/97 is adequate. I will be glad to discuss business matters by direct e-m; /archives//html/Amps/1997-11/msg00025.html (7,040 bytes)
9. [AMPS] GSB201 (score: 1): Author: rfp@rfparts.com (Merit); Date: Thu, 06 Nov 1997 18:26:06 -0800; For kicks, I am in the process of cleaning up the RF layout on an old GSB201. New (taller) RFC, glitch res, shorter connections to tuning cap, bias cutoff & control circuit, 572B's, etc. While doing; /archives//html/Amps/1997-11/msg00078.html (7,043 bytes)
10. [AMPS] BOGUS 3-500Z/4-400A-C (score: 1): Author: rfp@rfparts.com (Merit); Date: Mon, 10 Nov 1997 12:56:32 -0800; I haven't seen this subject brought up for a while. However, I have heard of counterfeits showing up at flea markets and sometimes exported. Since Eimac left the glass tube business, there have been; /archives//html/Amps/1997-11/msg00130.html (7,438 bytes)
11. [AMPS] FS IC-736 & IC-756 (score: 1): Author: rfp@rfparts.com (Merit); Date: Thu, 20 Nov 1997 15:55:26 -0800; I have the following transceivers and accessories for sale. All are personal gear. IC-736 HF + 6m. My personal radio in mint condition mechanically & electrically. Not a scratch. Complete with access; /archives//html/Amps/1997-11/msg00300.html (7,439 bytes)
12. [AMPS] Re: Dentron GLA-1000 B linear (score: 1): Author: rfp@rfparts.com (Merit); Date: Wed, 03 Sep 1997 14:52:25 -0700; Just a general observations on the EL509 in replacing 6LQ6: We have played around with various manufacturers of this tube. The tube is quite a bit larger in size. The Russian made tube is the most ru; /archives//html/Amps/1997-09/msg00063.html (7,318 bytes)
13. [AMPS] FS: IC736 (score: 1): Author: rfp@rfparts.com (Merit); Date: Mon, 29 Sep 1997 17:38:15 -0700; I wish to sell my mint condition IC-736. It is in original factory packing with all accessories. Available with or without the two 500 kHz CW filters (installed). I can package properly and ship by U; /archives//html/Amps/1997-09/msg00382.html (6,802 bytes)
14. [AMPS] Cetron 572B tubes (score: 1): Author: rfp@rfparts.com (Merit W6NQ); Date: Mon, 19 May 1997 11:31:56 -0700; We found that early Cetron tubes through the early 1980's were very good tubes with high reliability. Sometime after Richardson bought Cetron, we experienced great filament failure with new productio; /archives//html/Amps/1997-05/msg00161.html (11,104 bytes)
15. [AMPS] Cetron 572B tubes (score: 1): Author: rfp@rfparts.com (Merit W6NQ); Date: Mon, 19 May 1997 15:47:45 -0700; A few comments about the Cetron 572B and another type of filament failure.... We found that early Cetron tubes through the early 1980's were very good tubes with high reliability. Sometime after Rich; /archives//html/Amps/1997-05/msg00163.html (11,282 bytes)
16. [AMPS] RCA 7213 Tube (score: 1): Author: rfp@rfparts.com (Merit W6NQ); Date: Tue, 20 May 1997 17:38:14 -0700; These were used in TACAN transmitters at 23 cm. Has anyone had experience with this tube in SSB/CW ham amps on 50 MHz & up? What about sockets for them? Merit W6NQ (W6NLO) -- FAQ on WWW: http://www.c; /archives//html/Amps/1997-05/msg00177.html (6,641 bytes)
17. [AMPS] Svetlana 3-500Z? (score: 1): Author: rfp@rfparts.com (Merit W6NQ); Date: Thu, 03 Apr 1997 15:42:55 -0800; To: <amps@contesting.com> -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.co; /archives//html/Amps/1997-04/msg00071.html (8,028 bytes)
18. [AMPS] Svetlana 3-500Z? (score: 1): Author: rfp@rfparts.com (Merit W6NQ); Date: Thu, 03 Apr 1997 17:22:16 -0800; To: <amps@contesting.com> -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.co; /archives//html/Amps/1997-04/msg00073.html (9,170 bytes)
19. [AMPS] Trailer mounted tower (score: 1): Author: rfp@rfparts.com (Merit W6NQ); Date: Thu, 03 Apr 1997 18:17:55 -0800; I remember seeing a FS ad in the last month or so, but don't remember is it was on this reflector. I think it was in or near So. Cal. Anybody remember? Merit W6NQ/W6NLO -- FAQ on WWW: http://www.cont; /archives//html/Amps/1997-04/msg00074.html (6,665 bytes)
20. [AMPS] Triton 3-500Z's (score: 1): Author: rfp@rfparts.com (Merit W6NQ); Date: Fri, 04 Apr 1997 12:02:15 -0800; YOUR RIGHT ON!!! THAT IS EXACTLY WHAT HAS HAPPENED!! -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problem; /archives//html/Amps/1997-04/msg00107.html (8,233 bytes)

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