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In Reply to: RE: Improved Regen sound posted by jkeny on November 23, 2015 at 04:22:32
This is really a conundrum. I want to do the mod (I have batteries) but right now I am not clear on what to do.
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Wait until I'm back in my office in about an hour & I will measure the voltage points again to confirm
Ok thanks
OK, I'm very, very sorry - you are correct - the via near "5" is the GROUND & the other end of the cap is 3.3V.
I'm glad you measured this before connecting anything - good DIY practise always pays
Where I went wrong is that I used a twisted pair of wires from a CAT5 cable to make this connection & mixed up the colour Vs polarity!!
I'll change this on my first post
Thanks
Interested to hear your impressions!
In my system I have 2 Regens back to back. Since the 1st Regen into the 2nd Regen does not require the 5 Volts I put the
JK mod into the that Regen. My dac does require the 5 V. Since as I recall Swenson saying this element of the Regen does not pull a lot of current I have a pair of A123 driving very narrow wires just pushed into the via holes to test proof of concept. So since its not soldered yet its not optimum but it sounds better already. More focused less loose than baseline. I will solder and restate my comments
Very good!
I would suggest using only 1 Regen with this mod & providing the 5V needed in an alternative way.
I believe you are missing some of the benefit of the "direct" 3.3V battery supply by passing through a second Regen
Yes but how do I supply the 5 volts to the dac? Would appreciate your ideas.
Do you have a clean 5V supply? You could connect this to the USB output on the Regen?
Ok I played around with acoustically isolating the 2 battery cell and whoa more delicacy/depth/hall sound. Funny once my cell of batteries was fully charged the charger pilot light turns green and wow it sounds good. I have a few files which are my test music and yes they never sounded so good. A complete success with more to go.
Ok I think I figured it out. Apply 5 volts onto the 2 outer pins of the points into the USB out on the Regen mobo. I guess I could use my 2nd Regen as the source. What do you think?Btw soldering helped plus putting on a trickle charger actually made the little Amber light brighter and the sound a bit better. So I am guessing my charge was a bit low on the batteries.
Edits: 11/23/15
Yes that's a good plan -just make sure you have the polarity correct :)
Connecting The charger shouldn't result in a brighter led - as you say your battery probably was low - leave it on trickle charge overnight.
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