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Thread: Cheap upgrade for michell gyro

  1. #561
    Join Date: Nov 2011

    Location: Seaton, Devon, UK

    Posts: 10,968
    I'm Adrian.

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    Hi Alan, have you tried one of these? ISOLATE IT SORBOTHANE HI-FI AUDIOPHILE GRADE 3 mm TURNTABLE MAT, they are supposed to be very good, it will give you direct contact with the vinyl, use a good record weight with it to ensure good contact, you should find even more bass control.
    Listening is the act of aural discrimination and dissemination of sound, and accepting you get it wrong sometimes.

    Analog Inputs:
    Pro-Ject Signature 10 TT & arm
    Benz Micro LP-S, Michel Cusis MC, Goldring 2500 and Ortofon Rondo Blue cartridges
    Hitachi FT5500 mk2 Tuner

    Digital:-
    Audiolab 8300CDQ CDP/DAC/pre-amp
    RaspberryPi/HifiBerry Digi
    Buffalo NAS Drive

    Amplification:-
    AudioValve Sunilda phono stage,
    Krell KSA-80 power amp

    Output:
    Wilson Benesch Vector speakers
    KLH Ultimate One Headphones

    Cables:
    Furutech AG-12-R4 High Performance Phono Cable
    QED Genesis Silver Spiral speaker leads, & links


    I think I am nearing audio nirvana, but don’t tell anyone.

  2. #562
    Join Date: Jan 2008

    Location: West Yorkshire

    Posts: 632
    I'm Andy.

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    Looks great and glad you can hear the benefits. Looking forward to hearing how it works on the Orbe
    Main system:
    Analogue.
    Michell Orbe with arm decoupling kit & Pete's Pylons. RB300 plus Goldring Elite MC Cart, Firebottle OPT MKII phono amp
    Technic SP-10 in Obsidian plinth, SME V. Denon DL103M (FGS) MC and BB3 Phono Amp
    Network Player.
    Raspberry PI plus R2-R DAC (also used as a CD player) plus Pi NAS Server
    Philips DCC 730 player
    Amp.
    Pure Sound A30
    Speakers
    Reiver Jenna floor standers
    HeadPhones.
    Sennheiser HD545 Ref, HD600, HD477
    Headphone Amp
    Myryad Z40 (also used as a pre amp)
    Backup Amps
    Audiolab 8000a, Armstrong something or other, Amstrad Quadraphonic something or other, home built EL34 power amps.....

  3. #563
    Join Date: Jan 2013

    Location: Bristol

    Posts: 6,835
    I'm Justin.

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    Quote Originally Posted by mad-moon View Post
    Managed to snag me an acrylic platter..I was shocked by the physical weight of the thing when it arrived in the post...what a lump..I thought it was my birthday. I eagerly opened the box and behold a thing of beauty.
    I wasted no time at all and set my turntable away, after I'd warmed up my gear. I listened to three Lp's with the original platter and no surprise they sounded great, my deck has already had extensive upgrades, and to my ears, this was going to take something special to better the sound..

    I stripped the original platter off and put on the new platter, which took very little time, first let me say the platter is beautifully machined and is an exceptionally nice snug fit. I put the anniversary mat on and tried the first LP..Queen II.. Immediately on first impression, the Stereo immage is brilliant and the soundstage is astounding. The bass being reproduced is snapping into place, the music is fast, very musical and tuneful..It was before with the original platter, but this lump is bringing more out of the vinyl..I had to keep playing parts of tracks over and over again, as I was hearing stuff not heard before...a guitar here a drum beat/cymbal there ..this is probably because the image is placing the instruments far better..Dire Straits is superb as is Aha..The Aha LP is the fastest I've heard the music in my system..It's a very busy album too as they do a lot of mixing/tracking on there Lp's..all in all a much nicer listening experience altogether..i confess, I love the look of the original platter with those lovely brass weights hanging down, which are mesmerising, when you watch them, but I love the sound of this platter..which is one solid piece of acrylic,with just enough room to fit over the bearing housing..I've also been able to remove some of the isolation from under the deck, as it was overkill, the platter has superb damping.. I'm a happy bunny and pleased I was able to get my hands on this marvelous piece of acrylic...I can recommend this with no fear...contact Truepoint Audio for more details...I'm glad I did...



    Why didn't you just get an Orbe platter from Michell?

  4. #564
    Join Date: Jan 2013

    Location: North East

    Posts: 11,914
    I'm Alan.

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    Quote Originally Posted by User211 View Post
    Why didn't you just get an Orbe platter from Michell?
    No thanks...I'll stick with the solid piece of acrylic
    'ANDSOME IN THE SUMMER..'ORIBBLE IN THE WINTER. Barney Milne

    Cambridge Audio CXN, Seagate nas drive, Michell Gyrodec SE, SME309, Benz M2 Ruby cantilever, Denon DL103, Primare R32, Densen D20, Densen D30, Cambridge Audio 840A V2 integrated, Pioneer SX-N30AE Network Stereo Receiver, Roksan Darius speakers, Technics speakers, Canon speakers, Bastanis Dragonfly Horns, REL Storm III sub, Target R1 speaker stands, Atacama Equinox.

  5. #565
    Join Date: May 2016

    Location: north wales

    Posts: 695
    I'm peter.

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    the acrylic platters were made because it is solid 48mm when completed in thickness, and NOT like the michell orbe doughnut , with a large hole in the center that means the platter is reduced from 60mm to 20mm, also we were told over years that the Michell Platters were as close to vinyl as possible , but now they have to be impedance matched ??? , the acrylic platters are machined from a solid block , this also means their is a choice in the market place, you have the opportunity to buy a product that is solid or one that is glued and melted together and machined , like the suspension , the PSU , and the Armboards there are now choices, some people will always want to know why you did not go to michell, but also cannot answer what is impedance matching ,and why all of a sudden the old platter which is supposed to be as close to Vinyl as possible now needs to be upgraded , with one with a piece of cork to hide the new way they have been machined,

    there is a trick to the oil i have been using on my odyssey, i mixed the zx1 with SYNTHETIC SILICONE GREASE WITH TEFLON,50g TIN 2HT PLASTIC SAFE LOW FRICTION, it makes a Vaseline type lubricant , that ends up thin enough to go up the hole, but still lubricates the bearing , i also used to pack the rear of the bearing ball in the cone part , to act like a vibration absorbent , it seems to make the bearing a lot quieter , although it is very quiet now, i know of several people who are trying this , the bearing no longer starts up dry ,
    Last edited by gwernaffield; 16-07-2020 at 13:48.

  6. #566
    Join Date: Apr 2011

    Location: Northamptonshire

    Posts: 182
    I'm Angus.

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    Quote Originally Posted by gwernaffield View Post
    ....... Delrin is used for making all kinds of stuff including gears also delrin balls are grade one the highest grade you can get for roundness and smoothness, the ceramic balls are grade 5 , the steel balls are normaly grade 10 , unless it is aspecial order and 4 times the cost of grade 10 .......
    Just need to make a slight correction here, Delrin balls are graded in thousandths of an inch, so a grade 1 ball is round to within 1 thou, which is approximately 25 microns. Ceramic balls, certainly silicon nitride ones, are graded in microns so a grade 3 ball is round within 3 microns.

  7. #567
    Join Date: May 2016

    Location: north wales

    Posts: 695
    I'm peter.

    Default

    you are welcome it also depends on what you are willing to pay ,, https://theppb.co.uk
    the way the bearing ball works is just to sit in the cone part of the bearing , and not rotate in the cone , it is only a pinpoint bearing , so only rotates on the smallest point , and Not to fully rotate like a bearing in a housing , the contact area is microns, if any wear occurs it will save the top of the shaft , if a torlon or delrin beaing is used, if the grade is grade 10 it would not matter , the bearing ball Never fully rotates in the cone it self,, the oil only laps the very bottom of the bearing , it is the same for the bearing balls used in the suspension , it is a pin point contact ,that is needed,.
    Last edited by gwernaffield; 16-07-2020 at 17:13.

  8. #568
    Join Date: Jan 2008

    Location: West Yorkshire

    Posts: 632
    I'm Andy.

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    Received the acrylic platter today to try on the Orbe so thanks Pete.

    Underneath you can see the difference:

    Main system:
    Analogue.
    Michell Orbe with arm decoupling kit & Pete's Pylons. RB300 plus Goldring Elite MC Cart, Firebottle OPT MKII phono amp
    Technic SP-10 in Obsidian plinth, SME V. Denon DL103M (FGS) MC and BB3 Phono Amp
    Network Player.
    Raspberry PI plus R2-R DAC (also used as a CD player) plus Pi NAS Server
    Philips DCC 730 player
    Amp.
    Pure Sound A30
    Speakers
    Reiver Jenna floor standers
    HeadPhones.
    Sennheiser HD545 Ref, HD600, HD477
    Headphone Amp
    Myryad Z40 (also used as a pre amp)
    Backup Amps
    Audiolab 8000a, Armstrong something or other, Amstrad Quadraphonic something or other, home built EL34 power amps.....

  9. #569
    Join Date: Jan 2013

    Location: North East

    Posts: 11,914
    I'm Alan.

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    Click on the image to watch the all new Disco Gyrodec...

    20200717_223853_54704266023141 by Alan Moon, on Flickr
    Last edited by mad-moon; 18-07-2020 at 00:40.
    'ANDSOME IN THE SUMMER..'ORIBBLE IN THE WINTER. Barney Milne

    Cambridge Audio CXN, Seagate nas drive, Michell Gyrodec SE, SME309, Benz M2 Ruby cantilever, Denon DL103, Primare R32, Densen D20, Densen D30, Cambridge Audio 840A V2 integrated, Pioneer SX-N30AE Network Stereo Receiver, Roksan Darius speakers, Technics speakers, Canon speakers, Bastanis Dragonfly Horns, REL Storm III sub, Target R1 speaker stands, Atacama Equinox.

  10. #570
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 88,360
    I'm Grant.

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    The phitostream pic will have an arrow at bottom. Select bb code and use that in the tree box which adds the IMG info for site
    . You had the info up just wasn't in the IMG and brackets that the tree box gives St top of box for reply.
    Regards,
    Grant .... ؠ ......Don't be such a big girl's blouse

    I've said it before and I'll say it again: democracy simply-doesn't-work
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    “You see these dictators on their pedestals, surrounded by the bayonets of their soldiers and the truncheons of their police ... yet in their hearts there is unspoken fear. They are afraid of words and thoughts: words spoken abroad, thoughts stirring at home -- all the more powerful because forbidden -- terrify them. A little mouse of thought appears in the room, and even the mightiest potentates are thrown into panic.”

    Then I saw it. I saw a mum who would die for her son. A man who would kill for his wife. A boy, angry and alone. Laid out in front of him, the bad path. I saw it. And the path was a circle. Round and round. So I changed it.

    “There's a war out there, old friend. A world war. And it's not about who's got the most bullets. It's about who controls the information. What we see and hear, how we work, what we think... it's all about the information!”

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