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12th March 2008, 05:11 PM
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#3 |
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diyAudio Member
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Jack over at Electraprint has phase splitter chokes, and schemos demonstrating their use. Even though he uses a 6BX7, there's no reason you couldn't adapt to 2A3s.
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12th March 2008, 07:50 PM
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#4 |
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diyAudio Member
Join Date: Oct 2005
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There was a previous discussion on this forum of phase splitting autoformers---
http://www.diyaudio.com/forums/showt...66#post1396766 might be worth a review. MSL |
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12th March 2008, 09:39 PM
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#5 |
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diyAudio Member
Join Date: Jul 2003
Location: Ann Arbor, MI
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hey-Hey!!!,
Heyboer TX in Michigan can also wind these. They have a design of mine in their books. It is based on the same interleave of the prototype Mike and I worked out for his 173PPS. Balanced capacitance and most importantly balanced and mimimum leakage L is how these things work. cheers, Douglas
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the Tnuctipun will return |
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12th March 2008, 11:50 PM
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#7 | |
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diyAudio Member
Join Date: Oct 2005
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Re: Choke phase spliter
Quote:
could this have been the 2A3 PP amplifier you saw.... http://www.magnequest.com/diy_lessard_2a3pp.htm |
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13th March 2008, 01:03 AM
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#8 | |
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diyAudio Member
Join Date: Jan 2005
Location: Chicago
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Quote:
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http://www.ecpaudio.com |
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13th March 2008, 01:23 AM
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#9 | |
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diyAudio Member
Join Date: Oct 2005
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Quote:
I think your jumping the gun a bit here.... and pulling the trigger long before you have your sights set on the bull's eye.... the reactors\plate chokes you reference are two terminal devices.... they are not Jack's phase splitters. the phase splitting autoformers (3 terminal devices) that Jack makes are instead listed at http://www.electra-print.com/specialuse.php and my mention of the 10 henries of L (for the psa-2d) is no slight or injury at all to Jack's product--- but a recognition that the driving source impedance of the phase splitter should be chosen with this value of L in mind. msl |
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13th March 2008, 08:30 AM
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#10 |
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diyAudio Member
Join Date: Aug 2002
Location: Eire
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Can I just add that since that last thread, I have converted my toroidal power transformer phase splitter to a center tap choke. This has extended the high frequency response considerably by lowering the effective interwinding capacitance.
Shoog |
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