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1. [Amps] Motorized Jennings Vacuum Cap (score: 1): Author: w3kl@w3kl.com; Date: Sat, 5 Jul 2008 03:21:18 -0700 (PDT); I have two old motorized Jennings vacuum capacitor units that I need schematics for. I don't remember where I picked these up - swap meet I think. The units look like they were removed from a tuni; /archives//html/Amps/2008-07/msg00043.html (7,172 bytes)
2. [Amps] Alpha 9500 Versus ACOM 2000A (score: 1): Author: Jeffrey Okamitsu <w3kl@w3kl.com>; Date: Wed, 1 Oct 2008 14:51:35 -0700 (PDT); I'm considering acquiring an autotune amplifier. I prefer a tube amp and not a solid-state amp. The choices, as I see it, are between the Alpha 9500 and the ACOM 2000A. I am looking for **object; /archives//html/Amps/2008-10/msg00000.html (6,475 bytes)
3. [Amps] Wanted: Jennings Vacuum Capacitor (score: 1): Author: w3kl@w3kl.com; Date: Wed, 29 Oct 2008 04:30:20 -0700 (PDT); I'm looking for a Jennings 7 pF to 1000 pF vacuum capacitor, model number: UCSL 1000-3D345. If anyone has one or more of these they would like to sell, please contact me off the web reflector. 73; /archives//html/Amps/2008-10/msg00135.html (6,471 bytes)
4. [Amps] Help With Command Technologies HF2500 (score: 1): Author: w3kl@w3kl.com; Date: Sat, 5 Dec 2009 13:18:42 -0800 (PST); I have a Command Technologies HF2500 with QSK circuit. Earlier today when I fired it up on 160m, it behaved normally for a few minutes, but then I noticed that the grid current meter was pegging an; /archives//html/Amps/2009-12/msg00130.html (7,302 bytes)
5. [Amps] Taylor Tubes (score: 1): Author: w3kl@w3kl.com; Date: Tue, 8 Dec 2009 16:30:01 -0800 (PST); What is the general impression regarding the quality of Taylor Tubes? In particular, how do their Eimac knock-off's compare to the real thing? 73, Jeff W3KL Jeffrey K. Okamitsu, PhD, MBA +1-609-63; /archives//html/Amps/2009-12/msg00238.html (6,374 bytes)
6. [Amps] Alpha 9500 Firmware Version (score: 1): Author: Jeffrey Okamitsu <w3kl@w3kl.com>; Date: Sat, 28 Jan 2012 04:27:24 -0800 (PST); Is there a way to get the current firmware version on the 9500 via the pront panel controls? 73, Jeff W3KL _______________________________________________ Amps mailing list Amps@contesting.com http; /archives//html/Amps/2012-01/msg00222.html (6,787 bytes)
7. [Amps] Alpha 9500 Troubles (score: 1): Author: "W3KL" <w3kl@w3kl.com>; Date: Sat, 23 Feb 2013 16:28:56 -0500; I have a relatively new Alpha 9500 that clearly is experiencing some problems: 1) Last weekend I keyed up the rig on 20 m and noticed the power and grid current LEDs were pegged in the red. The amp i; /archives//html/Amps/2013-02/msg00220.html (7,956 bytes)
8. [Amps] PIN Diode QSK Switch (score: 1): Author: "W3KL" <w3kl@w3kl.com>; Date: Sun, 13 Oct 2013 15:10:13 -0400; Does anyone have a schematic for a QRO PIN diode switch such as the one used in Ameritron's switch or the circuit used in some old Alpha amps? 73 and thanks for the help. Jeff, W3KL _________________; /archives//html/Amps/2013-10/msg00211.html (6,495 bytes)

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