Tonearm/Cart Matching Assistance - SAEC 407/23

So I’ve been looking for information on this Dr. Sa Win and the manual you speak of.  I am not able to find anything on Dr. Sa Win or what you speak of about knife edge chatter.  Could you refer me to this information please.  I’ve also never heard of the Saec arms having any issue like this.  Thanks!

Try looking up Sao win cartridge or take Raul‘s Word for it. He knows where of he speaks.

@harpo75 : The Warning because he puts that way comes in the operation manual of the SMC 10 LOMC designed by Dr. Sao Win. That cartridge came from 2018 and Dr. Win manufactured too a Srain Gauge cartridge and TT too.

I sold my sample and I don't have any more the manual. By coincidence SME changed from knife/ball historical bearings to ABEC9 gimball in its SME V and you can be sure that did it for good reasons.

Thak’s lewm.

R.

Thanks.  I used to sell Micro Seiki turntables and Saec back in the 80’s.  One thing was the Saec double knife edge bearings were much better then most other companies.  Even Micro Seiki used them on their turntables and even at the audio shows when demoing.  Anyway I’ve always had high regard for the sound quality from them.  Not saying they are the best or anything but extremely good.  
But after installing my Technics EPC-U205C mk3 (headshell is very critical to the sound. Lighter the better & wood seemed best) and a EPC-205C mkIV on two different Saec arms.  A WE-308L (fonolab upgrade) which was on a Thorens TD-125L (very modded) and a WE-407/TM on the Micro I kept having tracking issues.  I’m quick burst, whether vocal or instrument, I would hear a kind of thump which I finally realized was miss-tracking after working on every area forever.  So yes I tend to believe there is an issue between the cartridge and arm.  I’ve done literally ever to try to remedy this.  
I got ahold of an old Signet TK-6020 cartridge analyzer and test record and no matter what I did, seemed like combinations of adjustments and tweaks and dampening  even, I couldn’t get rid of the tracing issue.  I have gotten it to sound absolutely wonderful otherwise but that “pooffpp” sound sometimes on quick dynamic parts is annoying to say the least.  That’s the best I describe the sound it makes.  It’s kind of like the sound of a turn-on thump but very quick.  
All this to say yes I do believe what you are saying.  I really love the Saec arm but if I don’t find a cartridge that can give me the sound quality that I like from the Technics using the 407 I’ve considered maybe looking at the Technics arm to use with the 205C mkIV. 

@harpo75  : The knifge type of tonearm bearing " tend " to rattle.

Yes, you are rigth because japanese audiophiles loved the SAEC tonearms, its reality is that are a beauty toour eyes.I owned those 3 models from new that I bougth in LA ( Ilive in Mèxico city. ) Japanese Stereo importer that was if I remember in Wilsher Blvd.

Well,If you still own the EPA-100 this is very good option for your MK4 great cartridge performer.

R.