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Pulse transformers
Pulse transformers
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Old 12th March 2009, 03:44 PM   #1
legarem is offline legarem  Canada
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Join Date: Jan 2005
Location: Quebec city
Default Pulse transformers

Last night I tried two pulse transformers in my dac

The original one in the dac was a SUMLINK ST-DU709 and I replaced it by a NEWAVA S22083 that goes to a CS8416.

Physically, the sumlink appears to be a copy of the Newava. Same casing, same dimension. The only difference is that the legs of the Newava are marked 2-1 instead of being 1-2 same for 4-3 instead of 3-4.

If physically, they are the same, the sound is way different between these two transformers.

The Newava S22083 gives mellower sound. Soundstage is better. The sound is what I call more relax. I am really surprized by this difference.


As the pin one on the transformer has a white dot to show the pin signal (in) on the primary, Is there a difference if I use the other primary pin (2 normally grounded ) with the signal coming from the BNC plug ? The (1) would be grounded instead of the (2)

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