Getting The Most Out Of A Koetsu Urushi


Recently acquired a Koetsu Urishi Tsugaru from a known and well trusted source. This cartridge has been refurbished by VDH, and has under 100 hours on it. Mu current cartridges consist of an Ortofon Winfeld, ZYX 4D, and Denon DL 304. 

The Urushi is certainly different than my previous cartridges, and I do hear lots of potential there. Currently have it installed on a DP 75 in a VPI plinth, with an Acos GST 801 arm. Phono stages available are the Liberty B2B-1 and the internal stage on a Musical Fidelity Nu Vista M3. 

The question is system configurations on how to get the Urushi properly sorted out. Are most Koetsu users also SUT users? Is there any upside to running it on this cartridge versus my phono stage in MC trim? Secondly, the output cable on the 801 is not verified as the stock one for the 801, and since the arm is wired internally with silver wire, I have considered the possibility to changing it out to a known cable of good quality. Which that one is to be, I have not made a decision on. 

I do also have a Technics SP 10 MK II in a variable density plinth, and I might consider putting the Urushi on there, although it might necessitate a change in tone arms. I have a 12" Riggle String Theory arm on it, and I suspect the wood arm may fall into the slightly warm camp, which is not what I would suspect this cartridge needs. It does seem that the SME V is a go to choice, but been thinking of other options also. 

Anyone with thoughts and experiences they care to share?
neonknight
Stringreen, Bob is a very reputable guy by all accounts I have read, I agree.  But he does SELL step-up transformers.  He would have to be a saint in order to provide a truly unbiased opinion.  Anyway, the point is that the "right" answer is there is no need for a SUT in conjunction with the Liberty phono stage/Urushi combination owned by the OP.  That is incontrovertible.  If you think there is an inherent electronic benefit to using a SUT in every case where one is using an LOMC cartridge, then that is an interesting and separate argument.  I am sure Bob knows how to make that argument.
Dertonarm who proved his capabilities with his products was/is
an advocate for SUT's in combo with LOMC's. But his theory was
that both , the cart and the SUT needed to correspond qua inductance and impedance. He advised me accordingly but I  was frightened with perspective of many SUT's needed for my LOMC's collection. I changed my mind when I discovered Denon AU-S1 which covers 2-40 Ohms carts. I use Denon with my Klyne         7PX3.5 in MM (amplification) stage.  



 I would have expected Peter @ pbnaudio to have chimed in since 
he is Liberty.


Well the first step was to order a tone arm cable for the Acos, and make sure everything is up to snuff that way. Have an Analysis Plus Silver Apex cable coming. Apparently they just released it as a phono cable, and the website is not updated for that product, although they have the standard interconnects listed. 

We will see how that works out, then we will decide if a SUT is going to be worth exploring or not. 
I have posted and read so many threads, where the response has not much in common, with the actual question-Hope I don't fall in that category. I purchased a Koetsu Urishi Black a few years ago. I added it to a Pioneer Pl-71.  It sounded very tinny and basically like total crap. Thought I'd been ripped off. After much research and talking to Mr , I learned my tonearm had insufficient mass. This may sound kinda ghetto, but I added some black permagum to to tonearm and she'll sounded full and vibrant. The older tonearms just didn't have enough mass.