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Old 22nd November 2006, 12:24 AM   #1
Sherman is offline Sherman  United States
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Join Date: Feb 2004
Location: Chicago area
Default Edcor Interstage for Phase Splitter?

I was just looking at the Edcor site and began wondering if any of their interstage matching transformers could be used as phase splitters.

Has anyone tried this with the Edcors? Which one(s) would you recommend?

I'm about to place an order for some of their OPTs for a couple of projects and might add a pair of interstages to the order.
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Old 22nd November 2006, 03:58 AM   #2
mwiebe is offline mwiebe  United States
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I've used the XSM10K/10K, and the XSM600/10K (as an input phase splitter) for years. They work great, and given their price, are a great deal. Just beware that Edcor is a bit optimistic about DC current through the primary. I use them in a parallel feed set up. But all my Edcors are at least five years old and new ones could be better at DC.
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Old 22nd November 2006, 10:47 AM   #3
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I bought some about 6 months ago and they are an improvement and well worth the money.
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Old 22nd November 2006, 12:33 PM   #4
Sherman is offline Sherman  United States
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Join Date: Feb 2004
Location: Chicago area
Thanks Matt & Burnedfingers!

Looks like I should add some interstage transformers to my order!

I was originally planning on getting a pair of SE transformers for a small EL84 amp I have. That has turned into a pair of SE OPTs, a pair of P-P OPTs and now a pair or two of interstage trafos.

Now all I have to do is find time to build something with all this!
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Old 16th March 2008, 07:28 AM   #5
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Location: Berlin
I'm considering using something like the


to split phase and try and drive a pair of ultra-linear connected 6V6/6F6's a bit into A2. Would this be feasible with the larger 6EM7 triode on the other end unbalanced? I'd probably DC couple the smaller one in front for some decent gain. Or would parafeed be advisable?
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