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1. [Amps] Source for Chimney Material? (score: 212): Author: jmaass at columbus.rr.com (Jeff Maass); Date: Mon Jun 9 23:55:15 2003; I need some of the silicone rubber sheet material used in fabricating chimneys in Alpha (and other) amps, and some of whatever cement/glue is used to connect it to itself to form a cylinder. Where do; /archives//html/Amps/2003-06/msg00055.html (7,119 bytes)
2. [Amps] Cary LK-800 vs Amp Supply Co. LK-800A? (score: 212): Author: jmaass at columbus.rr.com (Jeff Maass); Date: Sun Jun 15 09:21:04 2003; I have been looking through an old Amp Supply catalog, looking at the LK-800A, an amplifier using three 3CX800A7 triodes. We have a Cary LK-800 at PJ2T. They look like very similar amplifiers, with s; /archives//html/Amps/2003-06/msg00098.html (7,092 bytes)
3. [Amps] Cary LK-800 Manual Wanted (score: 212): Author: jmaass at columbus.rr.com (Jeff Maass); Date: Wed Jun 18 08:12:53 2003; I'll be glad to reimburse copying charges, or copy yours and return it to you. 73, Jeff Maass jmaass@columbus.rr.com Located near Columbus Ohio USPSA # L-1192 NROI/CRO Amateur Radio K8ND Maass' IPSC; /archives//html/Amps/2003-06/msg00125.html (6,545 bytes)
4. [Amps] Help - Alpha 91b (score: 212): Author: jmaass at columbus.rr.com (Jeff Maass); Date: Fri Jun 27 08:16:36 2003; David: Actually, the 91B was made in Bulgaria, not Russia. I have two, and they are great amps! The manual includes the schematic and a couple pages of "Troubleshooting Hints". I would think that a; /archives//html/Amps/2003-06/msg00221.html (8,780 bytes)
5. [Amps] Silicone Rubber Chimney Adhesive? (score: 212): Author: jmaass at columbus.rr.com (Jeff Maass); Date: Fri Jun 27 08:17:15 2003; What sort of adhesives work for making chimneys out of silicone rubber sheet? There are dozens of "flavors" of RTV / silicone adhesives out there. I have on hand tubes of "Permatex High-Temp RTV Sili; /archives//html/Amps/2003-06/msg00227.html (7,028 bytes)
6. [Amps] Status of 4CX1600B? (score: 212): Author: jmaass at columbus.rr.com (Jeff Maass); Date: Wed May 7 08:21:49 2003; Has Svetlana stopped production of the 4CX1600B (used in the Ten Tec Titan II, Emtron DX-2, QRO HF-3KDX, Alpha 6)? Has the sporadic production / availability just made it *seem* like they are no long; /archives//html/Amps/2003-05/msg00056.html (6,694 bytes)
7. [Amps] Proper Storage of Spare Tubes? (score: 212): Author: jmaass at columbus.rr.com (Jeff Maass); Date: Wed May 21 09:15:35 2003; Is there a proper orientation in which to place spares on the shelf for long-term storage? Upright? On side? Upside down? Balanced on the corner of the box at 37.5-degree angle? Some other orientatio; /archives//html/Amps/2003-05/msg00155.html (6,726 bytes)
8. [Amps] Operating 3-tube Amp With 2 tubes (score: 212): Author: jmaass at columbus.rr.com (Jeff Maass); Date: Tue May 27 08:40:52 2003; We have an old LK-800 amplifier, which was designed to use three 3CX800A7 triodes. This amplifier is used as a contest amplifier over 48-hour periods in a multi-transmitter operation. We "inherited"; /archives//html/Amps/2003-05/msg00204.html (8,232 bytes)
9. [Amps] 4CX1600B vs. GU84B (score: 212): Author: jmaass at columbus.rr.com (Jeff Maass); Date: Sat Mar 8 07:13:27 2003; My club has, courtesy of Ten Tec, a Ten Tec Titan II, which uses the Svetlana 4CX1600B. This tube has become expensive and scarce, and we are looking for an affordable spare 4CX1600B, or an affordabl; /archives//html/Amps/2003-03/msg00326.html (7,400 bytes)
10. [Amps] SUMMARY of RESPONSES: 4CX1600B vs. GU84B (score: 212): Author: jmaass at columbus.rr.com (Jeff Maass); Date: Sat Mar 8 21:30:02 2003; Thanks to all who replied to my inquiry! Bottom line is that the 4CX1600B and GU84B are *not* pin compatible. Sockets are different, more cooling is required for the GU84B, different filament require; /archives//html/Amps/2003-03/msg00349.html (9,293 bytes)
11. [Amps] Looking for an 8874 (score: 212): Author: jmaass at columbus.rr.com (Jeff Maass); Date: Tue Mar 11 10:03:13 2003; A friend just bought a NOS pair of Eimac 8874 with chimneys for $455 on eBay (a bargain). Don't rule out that source, but get assurances that you can try out the tube before keeping it, or take the r; /archives//html/Amps/2003-03/msg00446.html (8,357 bytes)

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