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Devilboy thanks for the kind words. The cost of the mod is as you say, between $39.99-49.99 depending on how many stock SR MPCs one gets modified. $49.99 for the first, $44.99 for the second, and $39.99 for the third and more. The combination of the IXYS HiPer FRED rectifier diodes, and the extreme low impedance of the 680uf 50v Panasonic FM with it's .1uf bypass cap, do indeed bring about a lower noise floor, with a much blacker background, thereby allowing increased high frequency & midrange air, transparency, detail, and depth and width of the sound stage, of the recording venue to be much more noticeable. Bass is also, as you and many others have heard, much improved, and is now much deeper and visceral yet better controlled.
The modifications done to stock SR MPCs back in 2013 were done to the tiny circuit board within the MPC itself, and as intended produced outstanding results when compared to a stock SR MPC, and even sometimes approached the performance of a SR Galileo in some systems.
In my latest Ver. 2 mod, I eliminate the circuit board and switch to a different SMD type ultra high speed rectifier diode and Rubycon ZL electrolytic cap with it's own, as needed, .1uf or .01uf polypropylene bypass. I hard wire these components together to create an MPC that now not only exceeds the results of my original SR MPC mod by a wide margin, it also beats the SR Galileo handily by all that have heard it.
With my new V2 MPC mod the sound stage is simply so much more open and seems to explode in width and depth, with dynamics, transparency, air and decay that you simply have to hear to believe. Even bass air and decay can now easily be heard. You gotta experience it!
I had Michael do his MPC V2 Mod to a pair of 5m Elemental Tungstens. It really opened up the soundstage, much quieter background with unbelievable micro dynamics, tighter imaging and control which overall made for a more realistic, musical presentation. Hard to describe....increased the details yet removed the "glare" if that makes sense. On some tracks the cymbals would seem to be way out front and dominate the presentation, after the mod, the cymbals are just as detailed, but the "ringing" is gone and they are in the correct spot in the soundstage....much more realistic. I've read others describe it as "more detailed yet smoother"......my guess is the decay is much more accurate on all instruments and therefore much more realistic and appealing.
I just had Michael do the MPC V2 mod on a pair of IC's from source components...same result. A pleasure to work with Michael and a real bargain in this wonderful hobby!
I asked Michael mod two of my stock MPCs to his v2 status and I can say that these are great mods. Although I haven't been able to do proper A/B comparisons because of some ongoing system changes, I will say that I don't notice any difference between using these and my Transporter SE for the MPCs on my Tranquility Bases. Great service and turnaround time too from Michael to ensure that I didn't have much time without being able to use my MPCs. A big thanks to him.
Recently I sent my stock MPC to Michael , all the way from Malaysia . Shipping cost me more than the mod itself but it's worth it . Excellent turn around time of less than a week. Amazing how a simple mod to the adapter can bring so much improvement to the syst- quieter, denser & definitely more dynamic . No brainer upgrade . In fact this synergistic research active USB cable got me very curious abt the performance of Synergistic Research ...