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1. [Amps] Need help with HB 8877 project (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 2 Jan 2003 07:45:17 -0800; Bob, the glue for the silicone rubber chimney extensions isn't very critical -- I've used ordinary household rubber cement for this, and it works perfectly on all sorts of external anode tubes. This; /archives//html/Amps/2003-01/msg00005.html (8,707 bytes)
2. [Amps] Need help with HB 8877 project (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 2 Jan 2003 08:16:34 -0800; Hi, John, well, I posted it for you, as it's interesting info for amp builders. I've never bothered with this process, though. I've had "rubber cement" (which works in about two seconds) holding my s; /archives//html/Amps/2003-01/msg00006.html (8,213 bytes)
3. [Amps] Switch Help Needed (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 2 Jan 2003 10:53:37 -0800; Why not use a regular microswitch and float like they do in dishwasher basins? Readily available from appliance parts stores for a few bucks...of course you do need to install some sort of bracket in; /archives//html/Amps/2003-01/msg00011.html (8,556 bytes)
4. [Amps] Question: AL-80A (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 2 Jan 2003 13:59:55 -0800; I thought only the "B" model solved the known problems with the "A." Tom?? -WB2WIK/6 "If everything seems under control, you're just not going fast enough." - Mario Andretti; /archives//html/Amps/2003-01/msg00018.html (7,233 bytes)
5. [Amps] AL-572 (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 3 Jan 2003 10:50:57 -0800; /archives//html/Amps/2003-01/msg00025.html (8,296 bytes)
6. [Amps] FCC Amateur Radio Enforcement Letters (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 7 Jan 2003 09:41:48 -0800; <<ARRLWeb FCC Amateur Radio Enforcement Letters.htm>> See the very last notice. Isn't this "Sandlabs?" -- StripMime Report -- processed MIME parts -- multipart/mixed text/plain (text body -- kept) ap; /archives//html/Amps/2003-01/msg00056.html (6,472 bytes)
7. [Amps] Thunderbolt Linear amp (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 10 Jan 2003 08:20:03 -0800; /archives//html/Amps/2003-01/msg00075.html (8,803 bytes)
8. [Amps] New 4-1000A and New Amp design in works (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 16 Jan 2003 13:12:27 -0800; [Steve Katz] Amen to that. And thankfully Tri-Ex seemed to know how to make them, since thousands of those have held me up on hundreds of towers over the years.....WB2WIK/6; /archives//html/Amps/2003-01/msg00134.html (7,298 bytes)
9. [Amps] Some Suggestions Please (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 17 Jan 2003 07:38:25 -0800; Mike, I use #24 (or so) enameled "magnet wire" for typical 1 kW amps, and go a bit larger gauge, maybe #22 or #20 enameled for "lots of suds" amps. Not sure why great insulation is required, since al; /archives//html/Amps/2003-01/msg00139.html (8,414 bytes)
10. [Amps] The wire question (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 17 Jan 2003 09:22:21 -0800; "Magnet wire" is generic to insulated (usually enameled) copper wire suitable for winding motors, yokes, etc. I don't think it means anything to us in our applications at all, just so much of it is s; /archives//html/Amps/2003-01/msg00143.html (7,739 bytes)
11. [Amps] Q: Chimneys for 3-500/4-400?? (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 3 Dec 2002 11:06:10 -0800; Bear (?), I've had lots of Henry 3-500Z amps over many years, and they do use a pressurized chassis and chimneys, just like Eimac used to say to do...but the tubes didn't run cooler as a result (notw; /archives//html/Amps/2002-12/msg00044.html (12,735 bytes)
12. [Amps] Q: Chimneys for 3-500/4-400?? (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 4 Dec 2002 07:46:13 -0800; Hi Ian, Yes, it would be imprudent to operate the amplifier without its cover installed, just as it would be to operate a pressurized chassis (blower, air system socket, chimneys) without its bottom; /archives//html/Amps/2002-12/msg00068.html (9,731 bytes)
13. [Amps] 6m 2X 3-500Z amps (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 5 Dec 2002 13:33:17 -0800; I never saw it published (that I can recall, but the memory's the second thing to go!), but both Swan and Raytrack made and sold quite a lot of 2 x 3-500Z 50 MHz GG amps, and they worked, and they we; /archives//html/Amps/2002-12/msg00094.html (8,346 bytes)
14. [Amps] Help needed on 4CX250 AMP (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Mon, 16 Dec 2002 08:20:34 -0800; /archives//html/Amps/2002-12/msg00210.html (9,469 bytes)
15. [Amps] Dow-Key Coaxial Relays` (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Mon, 4 Nov 2002 14:20:29 -0800; [Steve Katz] Far as I know, that "floating" receive-side contact didn't short anything, it opened up in the XMIT mode. The "opening" of the contact provided more isolation. With enough use, it could; /archives//html/Amps/2002-11/msg00029.html (7,588 bytes)
16. [Amps] Need 25/35 mfd @ 5/6000 vdc oil filled cap (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 5 Nov 2002 13:59:38 -0800; Chris, Surplus Sales lists a 42u, 5kV metal can (new) P/N CFO 30633 in their updated listing, you might try them if nobody comes up with anything. http://www.surplussales.com -WB2WIK/6 "If everything; /archives//html/Amps/2002-11/msg00043.html (8,154 bytes)
17. [Amps] 2 x 8877 amp (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 6 Nov 2002 11:34:56 -0800; For sale: Single-tube amp, 2000W PEP, 6L6GT run upside down, immersed in recirculating cooling oil...pics available. WB2WIK/6 "If everything seems under control, you're just not going fast enough." -; /archives//html/Amps/2002-11/msg00065.html (9,334 bytes)
18. [Amps] VHF engineering (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 6 Nov 2002 14:30:20 -0800; Isn't the "BLC" amplifier already on two meters? I thought it was. If this is a 2m amp and you only want to peak it up at 144.1, that's possible by adjusting the trimmer caps on both input and output; /archives//html/Amps/2002-11/msg00077.html (7,875 bytes)
19. [Amps] RMS-PEP & 2x8877 (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 7 Nov 2002 14:53:26 -0800; [Steve Katz] Well, I don't know about Belgium, but here in the States, we rate baloons in pounds per square inch, or cubic feet, or something like that. I never saw one rated in Watts! <hi hi> Serio; /archives//html/Amps/2002-11/msg00112.html (14,752 bytes)
20. [Amps] Capasitors Question (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 8 Nov 2002 10:12:08 -0800; Because 10V of ripple in a 12V power supply is 83% ripple, but 10V ripple in a 2500V power supply is only 0.4% ripple. -WB2WIK/6 "If everything seems under control, you're just not going fast enough.; /archives//html/Amps/2002-11/msg00134.html (7,858 bytes)

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