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Total 6 documents matching your query.

1. [Amps] Drake L-4 PS Transformer Rating (score: 1): Author: KA9S2 - Jeff <ka9s2@comcast.net>; Date: Tue, 03 Feb 2009 17:56:32 -0600; I may be getting a L-4B and have already started thinking about how to get more power out of it. I operate only CW which is a lower duty cycle than RTTY and higher than SSB. Before I do any further d; /archives//html/Amps/2009-02/msg00054.html (7,070 bytes)
2. Re: [Amps] Drake L-4 PS Transformer Rating (score: 1): Author: Gudguyham@aol.com; Date: Wed, 4 Feb 2009 07:34:51 EST; I don;t know haow you would increase the plate voltage on the L4B power supply without changing the tranny. I would say there is little chance to beef up the PS with the same transformer. You could u; /archives//html/Amps/2009-02/msg00061.html (7,662 bytes)
3. Re: [Amps] Drake L-4 PS Transformer Rating (score: 1): Author: Robert Morris <robrk@nidhog.net>; Date: Wed, 04 Feb 2009 08:51:54 -0500; An after a many dollars, you have half an S unit. Run it the way it was designed. -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. _____; /archives//html/Amps/2009-02/msg00063.html (7,089 bytes)
4. Re: [Amps] Drake L-4 PS Transformer Rating (score: 1): Author: "Alex Eban" <alexeban@gmail.com>; Date: Wed, 4 Feb 2009 16:30:36 +0200; ...I concur. If you don't upgrade it by 7 to 10 dB, it's easier to improve the antenna, less expensive and less complicated. Of course, unless you consider it as an exercise in craftsmanship..... Ale; /archives//html/Amps/2009-02/msg00065.html (8,557 bytes)
5. Re: [Amps] Drake L-4 PS Transformer Rating (score: 1): Author: cemilton@aol.com; Date: Wed, 04 Feb 2009 10:23:10 -0500; Jeff, I've owned an L4B in the recent past and it is/was an fb amplifier. I'd try using it stock before any mods are considered. The cost to mod versus the amount of change in your contact's S-meter; /archives//html/Amps/2009-02/msg00069.html (8,191 bytes)
6. Re: [Amps] Drake L-4 PS Transformer Rating (score: 1): Author: "k7fm" <k7fm@teleport.com>; Date: Wed, 4 Feb 2009 07:57:57 -0800; "after a many dollars, you have half an S unit. Run it the way it was designed" Actually, less than 1/2 an S unit. S-units are sometimes calibrated at 6 db. I recall the definition of a db was the mi; /archives//html/Amps/2009-02/msg00070.html (8,745 bytes)

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