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Total 724 documents matching your query.

321. [Amps] Amp Builders Components (score: 1)
Author: Ronald Lumachi <w2cqm@juno.com>
Date: Mon, 5 Jan 2004 23:56:00 -0500
Offering the following difficult to locate components for the amplifier builder. Can be viewed at the Yahoo site listed below. Click on Amp Builders Components: a. HF high voltage plate chokes wound
/archives//html/Amps/2004-01/msg00064.html (7,511 bytes)

322. [Amps] SELL: 3B28's, sockets, etc. (score: 1)
Author: w2cqm@juno.com
Date: Sat, 10 Jan 2004 07:19:06 -0500
Offering the following items for sale (including spares) as a component package removed from a full wave bridge chassis driving a pair of 8877's 7-3B28's 4- RCA 866's 2- Amperex "Slim Jim" 866AX's (R
/archives//html/Amps/2004-01/msg00122.html (6,622 bytes)

323. [Amps] SELL: Pr. Nat'l Radio bevel gear right angle drives (score: 1)
Author: Ronald Lumachi <w2cqm@juno.com>
Date: Wed, 14 Jan 2004 10:25:34 -0500
Offering a matched pair of high quality National Radio machined bevel gear right angle drives complete with 1/4" output shafts, anti-backlash shaft collars, and all set screw hdwe. One of the two sha
/archives//html/Amps/2004-01/msg00147.html (6,801 bytes)

324. [Amps] SELL: Radio Amateurs World Atlas (Memorabilia) (score: 1)
Author: w2cqm@juno.com
Date: Sun, 18 Jan 2004 17:22:10 -0500
Anyone interested in DX memorabilia, I'm offering in mint condition the 9th Edition (Circa 1970's) 20 page Radio Amateur Callbook World Atlas. Contains World Polar projections and call signs areas, f
/archives//html/Amps/2004-01/msg00183.html (6,629 bytes)

325. [Amps] SELL: Complete 10-80 tank Circuit (score: 1)
Author: w2cqm@juno.com
Date: Tue, 20 Jan 2004 12:51:41 -0500
Offering a legal limit 10-80m tank circuit completely wired and ready to drop in. Switch and antenna tune caps are high quality porcelain. Includes a HV plate choke wound on a tapped porcelain rod. E
/archives//html/Amps/2004-01/msg00208.html (6,793 bytes)

326. [Amps] SELL: Complete RF Deck 8877 Component Package (score: 1)
Author: w2cqm@juno.com
Date: Tue, 20 Jan 2004 12:48:57 -0500
Offering the following: Tested, full output 2200W Eimac 8877/YU158, teflon chimney, HV plate choke, wide spaced plate tune cap w/padder, dual section antenna tune cap, 1500W, intact, wired 10-80m tan
/archives//html/Amps/2004-01/msg00209.html (6,828 bytes)

327. [Amps] NEED 200 ohm 100W resistor (score: 1)
Author: w2cqm@juno.com
Date: Thu, 22 Jan 2004 08:07:29 -0500
Can anyone help with a 200 ohm 100W power resistor. Could also use a 100ohm to match the one I have. . Thanks, Ron W2CQM/3 _______________________________________________ Amps mailing list Amps@conte
/archives//html/Amps/2004-01/msg00225.html (6,516 bytes)

328. [Amps] SELL: Matched Pair of B&W Turns counters (score: 1)
Author: w2cqm@juno.com
Date: Thu, 22 Jan 2004 18:59:18 -0500
Offering a matched pair of high quality die cast turns counters with high speed spinner knobs. Each counter records revolutions on a Veeder counter. Bevel gears are machined to prevent backlash. One
/archives//html/Amps/2004-01/msg00233.html (6,488 bytes)

329. [Amps] SELL: Thordarson HiPot Transformer (score: 1)
Author: Ronald Lumachi <w2cqm@juno.com>
Date: Sun, 25 Jan 2004 10:44:47 -0500
Offering a potted Thordarson dual winding high voltage transformer testing amplifier tube high voltage breakdown parameters. 115VAC primaries for convenient Variac power up control. Porcelain standof
/archives//html/Amps/2004-01/msg00281.html (6,566 bytes)

330. [Amps] SELL: Powerstat Variable Voltage Transformers (score: 1)
Author: Ronald Lumachi <w2cqm@juno.com>
Date: Tue, 27 Jan 2004 21:16:09 -0500
SELL: Powerstat 0-135VAC @ 7.5amp small footprint variable (Variac type ) transformer. Measures 4x5" with 3/8" shaft. Includes knob. Offers a variety of input and output fixed and variable voltages.
/archives//html/Amps/2004-01/msg00313.html (6,524 bytes)

331. [Amps] RF Deck Amplifier Component Package (score: 1)
Author: w2cqm@juno.com
Date: Mon, 2 Feb 2004 08:03:46 -0500
Offering essential and difficult to locate components for a homebrew 10-80m 1500W amplfier project. Package includes a complete, intact, fully wired silver plated tank/bandswitch assembly. Bandswitch
/archives//html/Amps/2004-02/msg00010.html (7,056 bytes)

332. [Amps] Need some help (score: 1)
Author: w2cqm@juno.com
Date: Fri, 13 Feb 2004 10:07:18 -0500
I have a SK550 (918) zener diode that I believe to be rated at 12VDC @ 50W. There appears to be ( barely visible) an arrow pointing away from the metal threaded housing towards the cathode end. When
/archives//html/Amps/2004-02/msg00099.html (7,812 bytes)

333. [Amps] another zener question (score: 1)
Author: w2cqm@juno.com
Date: Sat, 14 Feb 2004 15:46:10 -0500
Thanks for all your help with the orientation of the zener and the related tests to determine the true cathode direction. The zener was indeed mis-labeled which caused me all kinds of turmoil. One ad
/archives//html/Amps/2004-02/msg00110.html (7,307 bytes)

334. [Amps] Many thanks RE: Response to zener ?? (score: 1)
Author: w2cqm@juno.com
Date: Sun, 15 Feb 2004 07:42:23 -0500
To all who responded to my query about determining zener polarity, many thanks. The problem was resolved and now my understanding of that critical component is well beyond just installing a zener in
/archives//html/Amps/2004-02/msg00113.html (6,613 bytes)

335. [Amps] Need Svetlana 3CX2500F3 Info (score: 1)
Author: w2cqm@juno.com
Date: Mon, 23 Feb 2004 07:29:06 -0500
Building up a RF deck around a hamfest purchased Svetlana 3CX2500F3 tube. Would like to determine which one of the factory bonded HD filament cables is internally attached to the cathode. One cable e
/archives//html/Amps/2004-02/msg00211.html (6,835 bytes)

336. [Amps] Thanks for the 3CX2500F3 Info (score: 1)
Author: Ronald Lumachi <w2cqm@juno.com>
Date: Wed, 25 Feb 2004 07:31:19 -0500
Many thanks to the knowledgeable guys out there who graciously contributed information in response to my query about the Svetlana 3CX2500F3 in a typical grounded grid linear amateur radio amplifier a
/archives//html/Amps/2004-02/msg00240.html (7,164 bytes)

337. [Amps] Amplifier Related Parts (score: 1)
Author: w2cqm@juno.com
Date: Mon, 1 Mar 2004 09:23:33 -0500
Offering: A. Bird 4410 multiranging wattmeter rated at 0-10000w. Reads power output with one element in seven front panel switch selectable ranges: 0-10, 0-30,0-100,0-300,0-1000,0-3000,and 0-10,000W.
/archives//html/Amps/2004-03/msg00004.html (7,196 bytes)

338. [Amps] SELL: HV Power Supply Components (score: 1)
Author: w2cqm@juno.com
Date: Thu, 4 Mar 2004 18:22:53 -0500
Offering the following components for the KW+ power supply builder: a. Potted HV power supply smoothing choke. Military rating (on plate) 8 Hy @ 500ma (double that in ham applications). 10KV breakdow
/archives//html/Amps/2004-03/msg00048.html (7,092 bytes)

339. [Amps] SELL: AMPPARTS3 (score: 1)
Author: w2cqm@juno.com
Date: Sat, 6 Mar 2004 12:45:34 -0500
SELL: A. Three (3) 175 ohm 100W non inductive resistors. Paralleled and immersed in 5 gallons of mineral/transformer oil for the ultimate 2KW+ dummy load. Complete with spring loaded mounting bracket
/archives//html/Amps/2004-03/msg00063.html (7,153 bytes)

340. [Amps] SELL: Ampparts2 (score: 1)
Author: w2cqm@juno.com
Date: Sat, 6 Mar 2004 12:31:56 -0500
SELL: A. Porcelain roller inductor 10-40m. For RF deck or antenna tuner. Will handle 1KW $25 B. 6m porcelain roller inductor. $12 C. 100K @ 200 Watts bleeder resistor. $20 D. Interlock switch with br
/archives//html/Amps/2004-03/msg00064.html (6,887 bytes)


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