[serengetiplains]

I didn't replace the caps but merely added an extra few uFs on each of the four sections.  These are stacking a little high, of course, so I plan to plunk them all in their own box.  The additional uFs are providing more bass, which tells me I'll probably hit desired EQ on my headphones @ about 2X original cap values.

[audioengr]

I didn't replace the caps but merely added an extra few uFs on each of the four sections.  These are stacking a little high, of course, so I plan to plunk them all in their own box.  The additional uFs are providing more bass, which tells me I'll probably hit desired EQ on my headphones @ about 2X original cap values.

Thanks for the feedback.  Make sure you direct some kind of fan across the board or it will get too hot.

Steve N.

[serengetiplains]

I have to reiterate, what a surprising and welcome change this upgrade brought.  This is the type of change one hopes for in an upgrade, a change that gets to root subtleties.  It reminds me of Linn's motto that changes in the source are the most fundamental. 

[audioengr]

I have to reiterate, what a surprising and welcome change this upgrade brought.  This is the type of change one hopes for in an upgrade, a change that gets to root subtleties.  It reminds me of Linn's motto that changes in the source are the most fundamental.

Have you tried any of the Hynes 3-pin shunt regulators?

Steve N.

[serengetiplains]

I haven't, but they look to have the same specs as his larger SR1 shunt supplies.  Perhaps Paul can speak to their sonics.

[Paul Hynes]

Hi serengetiplains,

The Z17 type mini shunt regs use the same regulator circuit topology as the SR1M, same ultra-high speed, fast settling, low noise, ultra-wide bandwidth error amp. The current source used in the SR1M is a different topology due to the high power requirements. Overall performance is very similar both technically and sonically aside from the obvious difference in power capability.

Regards
Paul

[jimiles]

Question for Steve;

I already have and love Paul's SR3-12 and I was blown away by Serengeti's mod    but I'm not quite that brave. 

If I sent my PaceCar 2 in for the UltraClock upgrade, would you be willing to investigate swapping that 7808 regulator for one of Paul's 3-pin shunt regulators? 

If the correct answer is to wait for your next-gen PaceCar, then I can appreciate that, too.

Thanks!
Jake

[audioengr]

Question for Steve;

I already have and love Paul's SR3-12 and I was blown away by Serengeti's mod    but I'm not quite that brave. 

If I sent my PaceCar 2 in for the UltraClock upgrade, would you be willing to investigate swapping that 7808 regulator for one of Paul's 3-pin shunt regulators? 

If the correct answer is to wait for your next-gen PaceCar, then I can appreciate that, too.

Thanks!
Jake

This is exactly what I was thinking.  I'm also planning to try some in the Overdrive as well.

As a matter of fact, I already have a number of sample regulators on order from Paul, but I have not heard from him for a while.....

Steve N.