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RE: Listening impressions of Regen battery tweak

Thanks for your impressions, Theob

Just to clarify, I'm saying that your battery powered Regen MAY be better than the two Regens that you are currently using.

What you need is a 5V Vbus signal for the Benchmark DAC for initial handshaking between PC & DAC.

What I suggest you do is use only the tweaked Regen but power it normally through its DC input AND also have the battery connected - this will provide 5V to the DAC. When DAC has done handshaking disconnect the DC input to the Regen & leave battery connected.

This should now play just using this one Regen.

Let us know if this sounds any different to using 2 Regens

Another solution:
I would normally DIY this but to give you an idea of how to remove your second Regen you could use a 5V power spliced into the USB cable like is done in this AQvox solution.

http://www.aqvox.de/usb-power_en.html

Essentially, it's a USB adapter which has had the 5V Vbus trace interrupted & spliced into so that this 5V can be provided with a suitable external supply.

As you don't need the 5V for powering any part of your DAC, just for an initial handshake signal, the quality of your %V is no that important so you won't need the Aqvox solution - this was just to give you an idea of how to go about this.

There are some USB adapters which have been modified in this way but I can't find them now - maybe someone has a link?


Edits: 11/27/15
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