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1. [Amps] Converting a 76A to a pair of 3CX800's (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Sun, 07 Feb 2010 14:59:40 -0500; As I mentioned in an earlier post, I need a 3CX400. If I don't find one I'm considering converting to a pair of 3CX-800's which I already have. Although I'd have to replace the transformer as the one; /archives//html/Amps/2010-02/msg00201.html (9,606 bytes)
2. Re: [Amps] Converting a 76A to a pair of 3CX800's (score: 1): Author: "Fuqua, Bill L" <wlfuqu00@uky.edu>; Date: Sun, 7 Feb 2010 15:18:59 -0500; If one cap gets leaky after some use then then whole set is lost. It occurred to me that the idea of having the HV series metering resistor distributed across the capacitors is perhaps useful besides; /archives//html/Amps/2010-02/msg00203.html (10,840 bytes)
3. Re: [Amps] Converting a 76A to a pair of 3CX800's (score: 1): Author: "Dave Hachadorian" <k6ll@arrl.net>; Date: Sun, 7 Feb 2010 13:39:57 -0700; The AL-1500 has a stack of eight 450V caps, and a plate voltage of 3600. 8x450=3600, so Ameritron didn't leave any headroom there. The manual cautions to make sure the plate voltage does not exceed 3; /archives//html/Amps/2010-02/msg00204.html (10,488 bytes)
4. Re: [Amps] Converting a 76A to a pair of 3CX800's (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Sun, 7 Feb 2010 16:23:59 -0500; Buy the 470V rated caps (thats whats claimed and marked on them) from Ameritron to give you some headroom. You could also drop the input AC with a fat bucking transformer as long as the filaments sta; /archives//html/Amps/2010-02/msg00206.html (10,425 bytes)
5. Re: [Amps] Converting a 76A to a pair of 3CX800's (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Sun, 07 Feb 2010 16:57:00 -0500; That'd give me a bit over a 100 volts head room without trying to shoehorn in another cap or two. If I put the 3CX800's in I'd like to take advantage of the extra capability and the higher voltage wo; /archives//html/Amps/2010-02/msg00208.html (10,171 bytes)
6. [Amps] Converting a 76A to a pair of 3CX800's (score: 1): Author: "Jim Thomson" <Jim.thom@telus.net>; Date: Sun, 7 Feb 2010 16:08:27 -0800; Buy the 470V rated caps (thats whats claimed and marked on them) from Ameritron to give you some headroom. You could also drop the input AC with a fat bucking transformer as long as the filaments sta; /archives//html/Amps/2010-02/msg00212.html (8,711 bytes)
7. Re: [Amps] Converting a 76A to a pair of 3CX800's (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Sun, 7 Feb 2010 20:04:23 -0500; The ones Ive been buying from Ameritron are the same width but about a third the height of the old ones; 270uF vs 160uF which was what I replaced last month in a SB-1000 and 210uF in an AL-80A. Carl; /archives//html/Amps/2010-02/msg00213.html (10,645 bytes)

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