TOMIKO OPT-SE, any good?

mus · 29th January 2009, 08:46 AM

Hi everyone,

I'm planning to build a budget EL34 SE amp and now looking for SE output transformers. I know about Edcor's which is very good and I also found this one on eBay which is made in Japan

http://cgi.ebay.ca/2-output-transfor...1%7C240%3A1318

Does anyone try it and how good is it?
Thanks!

Geek · 29th January 2009, 09:53 AM

I'd say for anything more than 5 watts SE down to 40Hz or so is pretty optimistic. That 10Hz rating is taken at what.... 1/2W?

That 18 watts SE rating is at what... 1KHz? Physics is physics.

I wouldn't expect anywhere near Edcor performance from those.

Might make some sweet little guitar amp trannies though

Cheers!

spacemen12 · 2nd November 2009, 02:29 PM

Quote:

Originally Posted by Geek

I wouldn't expect anywhere near Edcor performance from those.

Hi,
Which Edcor series are your referring to (XSE, GXSE, CXSE)?

Thanks

Geek · 2nd November 2009, 09:11 PM

Quote:

Originally Posted by spacemen12

Hi,
Which Edcor series are your referring to (XSE, GXSE, CXSE)?

Thanks

CSXE

Cheers!

spacemen12 · 2nd November 2009, 09:59 PM

Quote:

Originally Posted by Geek

CSXE

Cheers!

Hi,
How would you think they compare to
XSE?
GXSE?
in a tubelab simple se context?

Thanks

Geek · 3rd November 2009, 02:15 AM

I haven't used GXSE yet, but my main everyday amp uses XSE and is fabulous. Same one Tubelab built his SSE around:
Simple SE

The GXSE has extended frequency response for the power rating and is only $10 more. If I was going to build George's SSE, I'd use a GXSE.

HTH

Cheers!

29th January 2009, 08:46 AM	#1
mus diyAudio Member Join Date: Mar 2006 Location: bc	TOMIKO OPT-SE, any good? Hi everyone, I'm planning to build a budget EL34 SE amp and now looking for SE output transformers. I know about Edcor's which is very good and I also found this one on eBay which is made in Japan http://cgi.ebay.ca/2-output-transfor...1%7C240%3A1318 Does anyone try it and how good is it? Thanks!

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29th January 2009, 09:53 AM	#2
Geek diyAudio Member Join Date: Sep 2004	I'd say for anything more than 5 watts SE down to 40Hz or so is pretty optimistic. That 10Hz rating is taken at what.... 1/2W? That 18 watts SE rating is at what... 1KHz? Physics is physics. I wouldn't expect anywhere near Edcor performance from those. Might make some sweet little guitar amp trannies though Cheers!

3rd November 2009, 02:15 AM	#6
Geek diyAudio Member Join Date: Sep 2004	I haven't used GXSE yet, but my main everyday amp uses XSE and is fabulous. Same one Tubelab built his SSE around: Simple SE The GXSE has extended frequency response for the power rating and is only $10 more. If I was going to build George's SSE, I'd use a GXSE. HTH Cheers!

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