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Turntables & Tonearms Where Analog still Rules

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  #1  
Old 11-18-2022, 05:15 PM
phil_er_up phil_er_up is offline
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Default How does the world’s first “levitating turntable” actually work?

How does the world’s first “levitating turntable” actually work?

https://maglevaudio.com/

Anybody know anything about this table?
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  #2  
Old 11-18-2022, 06:40 PM
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No, but they sure are cool to look at in action.
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Old 11-18-2022, 07:46 PM
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Quote:
Originally Posted by phil_er_up View Post
How does the world’s first “levitating turntable” actually work?

https://maglevaudio.com/
Physics.
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Old 11-19-2022, 07:35 AM
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Fair bit of $$ for a TT that can be used only with MM cartridges. Not necessarily a bad thing, as there are some excellent MMs these days.
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Old 11-19-2022, 01:58 PM
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Word is they recently declared bankruptcy. Anyways, it was an absolutely terrible concept for actual vinyl playback. All that trouble just to make the world's most wobbly platter. It couldn't even safely play with MC cartridges due to magnet interaction.
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Old 11-19-2022, 02:25 PM
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Quote:
Originally Posted by mulveling View Post
Word is they recently declared bankruptcy. Anyways, it was an absolutely terrible concept for actual vinyl playback. All that trouble just to make the world's most wobbly platter. It couldn't even safely play with MC cartridges due to magnet interaction.
Yeah, when I saw videos of it playing, the platter was really wobbly. Looked to be an absolute disaster of a design.

This can be the problem when "entrepreneurs" fall in love with their own ideas and nothing, not even a solid understanding of you know, engineering and physics, can get them off of it. Imagine the amount of money that went into this project both from a design, development, and then transfer to Ops (aka Manufacturing) that all went down the toilet.

I wonder if they did any Capability Analysis before committing the prototype to Ops. This is exactly what Six Sigma is for...

Physics doesn't care about your...feelings.
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  #7  
Old 11-19-2022, 07:42 PM
Kal Rubinson Kal Rubinson is offline
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First? Decades ago, I had a Stanton turntable with a mag-lev platter which worked exactly as it was designed to...........................poorly.
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Old 11-20-2022, 11:07 AM
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https://www.total-slovenia-news.com/...-prices-blamed
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Old 11-20-2022, 01:01 PM
Kal Rubinson Kal Rubinson is offline
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Quote:
Originally Posted by Kal Rubinson View Post
First? Decades ago, I had a Stanton turntable with a mag-lev platter which worked exactly as it was designed to...........................poorly.
Quote:
Originally Posted by Puma Cat View Post
Yeah, when I saw videos of it playing, the platter was really wobbly. Looked to be an absolute disaster of a design.
Exactly. The platter is suspended by magnetic force from below balancing the downward gravitational force due to its mass. In total isolation, this is stable.

OTOH, the observation of the wobbly platter indicates that there are other factors in play. One is that any vibration of the plinth which holds the magnetic force generator disturbs the somewhat resonant magnetic/gravitational balance and the platter wobbles with respect to the plinth.

Unfortunately, the tone arm is fixed to the plinth and not to the platter. As with my late Stanton turntable, the result is a constantly varying VTA. It is a wrong-headed design.

If someone has more info on this, I'd be happy to hear it.
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Old 11-21-2022, 12:04 AM
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Needs superconducting magnets. Of course, operating at 100 Kelvin presents other problems.
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