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  1. Stacore

    London Decca Jubilee revisited - combination with SME 3012R ?

    Azimuth - crosstalk measurements or as some claim better yet HF sweep with a test record and equalizing HF perfromance VTA/SRA - cartridge top parallel to LP (on London Reference at least) then by ear. Cheers,
  2. Stacore

    London Decca Jubilee revisited - combination with SME 3012R ?

    I second Bill. Before getting Jubilee on trial, I've loaded my head with all kinds of fears of "dreadfull Decca", loose bearings of 3012R and other bs. None of that has happened in my case. The combo started singing from the very first touch.
  3. Stacore

    London Decca Jubilee revisited - combination with SME 3012R ?

    Had the same question some years ago. Got a Jubilee on tests, installed in heavy Orsonic AV101 headshel. Had also FR200 damper, anticipating problems but don't remember if I finally used it al all. If so, with the smallest paddle. The combo performed beautifully, no tracking issues, resonances...
  4. Stacore

    Is this voodoo or science?

    This is indeed a v good question - how to re-introduce solid knowledge into High End in place of marketing and bling-bling. Using this example, I'm sure the noise components in the TT bearings have been once thoroughly studied and identified but then it all got lost and now individual people...
  5. Stacore

    Inexpensive but powerful upgrade from The Lotus Group

    Joe, you reminded me of the same thing I did years ago when constructing own phono stage :) Sorbothane pads on every el cap. I must admit I've never bothered to do a test before and after. Caps are vibration sensitive. Period. There was once even a guy who opened electrolytics and repacked them...
  6. Stacore

    Is this voodoo or science?

    Hi RJ, Very interesting question. Let me quote original findings of a fellow engineer Korf Audio: http://korfaudio.com/blog44 He measured bearing noise in a simple TT and found in his setup that a vast majority of it comes from...the LP playback! Even with a simple and unpretentious bearing...
  7. Stacore

    Weights of Common Metals

    I like very much the idea of the member Stehno - a clamping mechanism that would clamp the equipment to the rack/platform/shelf. Combined with a properly designed shelf/platform, I can imagine this providing a working solution for internally generated/captured vibrations. We did this...
  8. Stacore

    Weights of Common Metals

    Forgot to add that slate itself provides some form of CLD damping due to its layered structure. A well known and explored in audio fact. However, it is not a wonder material by its own and comes with its own set of problems if used just like it is. Mainly adds colorations on lower MF. Hence some...
  9. Stacore

    Weights of Common Metals

    Hi Tima, My pleasure :) Re 1. First and foremost It wants to prevent external vibrations from reaching TT. How it does it - isolates, damps, both, in what proportions, by which mechanism it's in a sense secondary. Re 2. I have no idea where all this obsession with damping internally generated...
  10. Stacore

    Weights of Common Metals

    Yes, the goal is then to isolate. Or more precisely to damp (in theory, to isolate - to turn the virbrations back, to damp - to burn them; but real life solutions are usually a mix of the two). In CLD approach, you want to divert as much of the vibrational energy to lossy medium as you can. If...
  11. Stacore

    Weights of Common Metals

    Indeed, sound velocity is one of the basic parameters of a given material. It depends on the wave type, the basic for a longitudinal wave is: c=sqrt(Young modulus/density) In more, detail the speed of sound is governed by the dispersion relation. In the simplest scenario, some of the wave...
  12. Stacore

    Weights of Common Metals

    Yes, although the elementary principle of elastic deformations of solids is very simple - masses on springs, it then grows to some baroque variety of waves, modes etc. The main message was that density alone does not determine the behavior. Must be considered with some measure of elasticity...
  13. Stacore

    Weights of Common Metals

    Apart from density, the second important parameter is the Young (or elasticity) modulus, describing the elasticity of the material. Both these parameters determine the sound velocity in a given material. For example for longitudinal waves the velocity = Square root (elasticity / density). But...
  14. Stacore

    Sublime Sound

    Damping is another factor apart from the low resonance. In a dedicated isolation platform there is more room to design and implement various damping mechanisms. Cheers,
  15. Stacore

    Sublime Sound

    Thank you Mike for considering us! If our Basic+ won't handle the weight (it has 160kg max load capability), we can design a custom platform with almost any load capability needed. Cheers,
  16. Stacore

    Taiko Audio Daiza platforms.

    Forum participant Stacore feels free to correct you :) We have 1.6Hz resonance with the ball bearings (so the isolation starts at some 2.5Hz). The air bladders dont get that low - to some 4-5Hz depending on the load. The bladders are also pneumatically damped to lower the Q of the resonance...
  17. Stacore

    Anyone got any experience of the Glanz MH-124S tonearm?

    A-ha! Very interesting, thank you for educating! Cheers,
  18. Stacore

    SME 30/2A vs EMT 930st

    While of some interest, it's not really a fair comparison. EMT929 is a rather mediocre and sonically simple tonearm IMHO. After we replaced it with FR64s, the EMT930 went to antother level. But agreed, it is not a quiet machine. Cheers,
  19. Stacore

    Anyone got any experience of the Glanz MH-124S tonearm?

    Looks like a copy of the Orsonic AV-101
  20. Stacore

    Tuner Nikko gamma 30

    Hi Jon, Pleased to see another tuner enthusiast here:) We have recently added Sansui TU-X1 to our system. With a right program (lucky to have a fantastic classical radio with live broadcasts), listening to it is a revelatory experience! Great technical skills on your side, congratulations! Have...
  21. Stacore

    Testing and embracing Stacore

    Thank you Marc! :):)
  22. Stacore

    Testing and embracing Stacore

    Another interesting product from our workshop: A custom Stacore Advanced Superplatform. Custom slate body and pneumatics, 64x64cm working area, 80kg load capability, special cryogenically treated bearings, 136kg own weight. Commissioned by our Benelux distributor Ultisone for a custom TT...
  23. Stacore

    Testing and embracing Stacore

    Thank you Tima! The viscoelastic is an industrial material and it is filled once and forever by a specialized factory. Cheers,
  24. Stacore

    Testing and embracing Stacore

    Single width, triple tier Stacore rack reconfigured. Shelves are machined from 1" steel, joining elements from 50mm thick steel blocks. Each leg section has our unique damping technology inside.
  25. Stacore

    Visit to Marc C.'s (SpiritOfMusic's) House in England

    The roller bearings and the massive base of the Advanced platform doing their job :) Cheers,
  26. Stacore

    American Sound AS-2000 Installations- Far East (Anthony)

    Wonderful set up Anthony, congratulations! We are proud to be a part of your room! Thank you,
  27. Stacore

    Valves have microphony full stop the end...

    Dear Loheswaran, It's a bit like saying nothing changes bumps on a road, so let's not use cars. Well, smart people invented suspensions ;) Cheers, PS Solid state does react to vibrations as well
  28. Stacore

    Contact Cleaning.... How often?

    Here is my method which is a pain but I do it only once: 1) Clean the contacts with isoprophanol 2) Polish, whenever possible, with a jewellery polishing paste (grren or white) 3) Clean again with iso to remove the paste leftovers, dry 4) Apply sparsely a dielectric grease (I use...

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  • What’s Best Forum is THE forum for high-end audio, product reviews, advice and sharing experiences on the best of everything else. A place where audiophiles and audio companies discuss existing and new audio products, music servers, music streamers and computer audio, digital to audio converters, turntables, phono stages, cartridges, reel to reel, speakers, headphones, tube amplifiers and solid state amplification. Founded in 2010 What's Best Forum invites intelligent and courteous people of all interests and backgrounds to describe and discuss the best of everything. From beginners to life-long hobbyists to industry professionals we enjoy learning about new things and meeting new people and participating in spirited debates.

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