Edcor Interstage for Phase Splitter?

Sherman · 22nd November 2006, 12:24 AM

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.

mwiebe · 22nd November 2006, 03:58 AM

Sherman,
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.
Matt

Original Burnedfingers · 22nd November 2006, 10:47 AM

I bought some about 6 months ago and they are an improvement and well worth the money.

Sherman · 22nd November 2006, 12:33 PM

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!

sorenj07 · 16th March 2008, 07:28 AM

I'm considering using something like the

http://edcorusa.com/products/transfo...sm15k-600.html

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?

22nd November 2006, 12:24 AM	#1
Sherman diyAudio Member Join Date: Feb 2004 Location: Chicago area	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. __________________ --Sherman

22nd November 2006, 12:33 PM	#4
Sherman diyAudio Member 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! __________________ --Sherman

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22nd November 2006, 03:58 AM	#2
mwiebe diyAudio Member Join Date: Apr 2004	Sherman, 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. Matt

22nd November 2006, 10:47 AM	#3
Original Burnedfingers diyAudio Member Join Date: Nov 2002	I bought some about 6 months ago and they are an improvement and well worth the money.

16th March 2008, 07:28 AM	#5
sorenj07 diyAudio Member Join Date: May 2006	I'm considering using something like the http://edcorusa.com/products/transfo...sm15k-600.html 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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