Mag Lev Audio turntable

[Phil Allison[_3_]]

Hi,

when came across news of this product late last year, it looked very much like a scam. Now I'm not so sure.

This link was published by the makers on May 30 this year.


https://www.kickstarter.com/projects/245727224/mag-lev-audio-the-first-levitating-turntable/posts/1898322


Only 12W of power consumption and the TT floats & rotates 50mm above the base.


How ?



...... Phil

[Woody[_4_]]

"Phil Allison" > wrote in message
...
>
>
> Hi,
>
> when came across news of this product late last year, it looked very
> much like a scam. Now I'm not so sure.
>
> This link was published by the makers on May 30 this year.
>
>
> https://www.kickstarter.com/projects/245727224/mag-lev-audio-the-first-levitating-turntable/posts/1898322
>
>
> Only 12W of power consumption and the TT floats & rotates 50mm above
> the base.
>
>
> How ?
>
>
>
> ..... Phil


If you want to know about Mag Lev look up Professor Eric Laithwaite -
he was the guy (Imperial College London?) who more or less invented
it. There should be plenty of links from there.



--
Woody

harrogate3 at ntlworld dot com

[Graeme Wall]

On 02/07/2017 07:55, Woody wrote:
> "Phil Allison" > wrote in message
> ...
>>
>>
>> Hi,
>>
>> when came across news of this product late last year, it looked very
>> much like a scam. Now I'm not so sure.
>>
>> This link was published by the makers on May 30 this year.
>>
>>
>> https://www.kickstarter.com/projects/245727224/mag-lev-audio-the-first-levitating-turntable/posts/1898322
>>
>>
>> Only 12W of power consumption and the TT floats & rotates 50mm above
>> the base.
>>
>>
>> How ?
>>
>>
>>
>> ..... Phil
>
>
> If you want to know about Mag Lev look up Professor Eric Laithwaite -
> he was the guy (Imperial College London?) who more or less invented
> it. There should be plenty of links from there.
>
>
>

If they can do it with trains, a turntable shouldn't be that difficult.


--
Graeme Wall
This account not read.

[Don Pearce[_3_]]

On Sun, 2 Jul 2017 07:55:33 +0100, "Woody" >
wrote:

>
>"Phil Allison" > wrote in message
...
>>
>>
>> Hi,
>>
>> when came across news of this product late last year, it looked very
>> much like a scam. Now I'm not so sure.
>>
>> This link was published by the makers on May 30 this year.
>>
>>
>> https://www.kickstarter.com/projects/245727224/mag-lev-audio-the-first-levitating-turntable/posts/1898322
>>
>>
>> Only 12W of power consumption and the TT floats & rotates 50mm above
>> the base.
>>
>>
>> How ?
>>
>>
>>
>> ..... Phil
>
>
>If you want to know about Mag Lev look up Professor Eric Laithwaite -
>he was the guy (Imperial College London?) who more or less invented
>it. There should be plenty of links from there.

He was part of it, but he was also a raving lunatic who thought
flywheels possessed magic powers. He was my prof for a while and we
always left his lectures laughing.

d

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[Phil Allison[_3_]]

Graeme Wall wrote:

------------------------

>
> >>
> >> Only 12W of power consumption and the TT floats & rotates 50mm above
> >> the base.
> >
>
> If they can do it with trains, a turntable shouldn't be that difficult.
>
>

** Answers nothing.

When you take into account the puny power consumption, 50mm of lift that disappears when the power goes off PLUS and that a magnetic phono PU must not be upset by strong or rapidly varying mag fields - it looks an impossible task.

But pictures like the ones I linked don't lie.



..... Phil

[Graeme Wall]

On 02/07/2017 10:00, Phil Allison wrote:
> Graeme Wall wrote:
>
> ------------------------
>
>>
>>>>
>>>> Only 12W of power consumption and the TT floats & rotates 50mm above
>>>> the base.
>>>
>>
>> If they can do it with trains, a turntable shouldn't be that difficult.
>>
>>
>
> ** Answers nothing.
>
> When you take into account the puny power consumption, 50mm of lift that disappears when the power goes off PLUS and that a magnetic phono PU must not be upset by strong or rapidly varying mag fields - it looks an impossible task.
>
> But pictures like the ones I linked don't lie.
>

One of the things I learnt early on was that pictures nearly always lie :-)


--
Graeme Wall
This account not read.

[Phil Allison[_3_]]

Graeme Wall wrote:

-----------------------


> >
> >>
> >>>>
> >>>> Only 12W of power consumption and the TT floats & rotates 50mm above
> >>>> the base.
> >>>
> >>
> >> If they can do it with trains, a turntable shouldn't be that difficult.
> >>
> >>
> >
> > ** Answers nothing.
> >
> > When you take into account the puny power consumption, 50mm of lift that disappears when the power goes off PLUS and that a magnetic phono PU must not be upset by strong or rapidly varying mag fields - it looks an impossible task.
> >
> > But pictures like the ones I linked don't lie.
> >
>
> One of the things I learnt early on was that pictures nearly always lie :-)
>
>

** Nah, no they don't.

Pictures don't lie because they don't speak, but of course they can be faked by people with an interest in so doing.

This page from the "What Hi-Fi" site shows Mag Lev Audio's exhibit at the Munich High End Show a month or so ago.

https://www.whathifi.com/news/munich-high-end-show-2017-in-pictures

Scroll down about 1/3 of the way.

If you believe in conspiracy theories and consider the whole audio industry is in on the Mag Lev scam - that pic musty be fake too.


..... Phil

[Brian Gaff]

Would this not be a bit of an issue for tracking and subsonic vibrations
etc? I can remember the linear motor powered turntable but they had lots of
trouble with induced pick up from the motor coils.


I think the reason the Streathern failed though was the crackpot colour and
design. it looked like an accident in an art college!

Brian

--
----- -
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The Sofa of Brian Gaff...

Blind user, so no pictures please!
"Phil Allison" > wrote in message
...
>
>
> Hi,
>
> when came across news of this product late last year, it looked very much
> like a scam. Now I'm not so sure.
>
> This link was published by the makers on May 30 this year.
>
>
> https://www.kickstarter.com/projects/245727224/mag-lev-audio-the-first-levitating-turntable/posts/1898322
>
>
> Only 12W of power consumption and the TT floats & rotates 50mm above the
> base.
>
>
> How ?
>
>
>
> ..... Phil

[Brian Gaff]

He is no longer with us of course. He lost it a bit with his theories on
precession of gyroscopes making it appear the energy equation was not
losing energy as it moved up a slope.


Brian

--
----- -
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The Sofa of Brian Gaff...

Blind user, so no pictures please!
"Woody" > wrote in message
...
>
> "Phil Allison" > wrote in message
> ...
>>
>>
>> Hi,
>>
>> when came across news of this product late last year, it looked very much
>> like a scam. Now I'm not so sure.
>>
>> This link was published by the makers on May 30 this year.
>>
>>
>> https://www.kickstarter.com/projects/245727224/mag-lev-audio-the-first-levitating-turntable/posts/1898322
>>
>>
>> Only 12W of power consumption and the TT floats & rotates 50mm above the
>> base.
>>
>>
>> How ?
>>
>>
>>
>> ..... Phil
>
>
> If you want to know about Mag Lev look up Professor Eric Laithwaite - he
> was the guy (Imperial College London?) who more or less invented it. There
> should be plenty of links from there.
>
>
>
> --
> Woody
>
> harrogate3 at ntlworld dot com
>

[Brian Gaff]

On a different tack. I'd have liked to have seen a verticle turntable with
the lower half of the record immersed in a fluid with wetting agent. I find
wet playing records can actually sound better and of course no static or
clicks unless its been damaged.
Brian

--
----- -
This newsgroup posting comes to you directly from...
The Sofa of Brian Gaff...

Blind user, so no pictures please!
"Graeme Wall" > wrote in message
...
> On 02/07/2017 07:55, Woody wrote:
>> "Phil Allison" > wrote in message
>> ...
>>>
>>>
>>> Hi,
>>>
>>> when came across news of this product late last year, it looked very
>>> much like a scam. Now I'm not so sure.
>>>
>>> This link was published by the makers on May 30 this year.
>>>
>>>
>>> https://www.kickstarter.com/projects/245727224/mag-lev-audio-the-first-levitating-turntable/posts/1898322
>>>
>>>
>>> Only 12W of power consumption and the TT floats & rotates 50mm above
>>> the base.
>>>
>>>
>>> How ?
>>>
>>>
>>>
>>> ..... Phil
>>
>>
>> If you want to know about Mag Lev look up Professor Eric Laithwaite -
>> he was the guy (Imperial College London?) who more or less invented
>> it. There should be plenty of links from there.
>>
>>
>>
>
> If they can do it with trains, a turntable shouldn't be that difficult.
>
>
> --
> Graeme Wall
> This account not read.
>

[Brian Gaff]

Of course if you could get the temperature low enough you could use a
superconducting magnet and lose no power so no stray fields.
Brian

--
----- -
This newsgroup posting comes to you directly from...
The Sofa of Brian Gaff...

Blind user, so no pictures please!
"Graeme Wall" > wrote in message
...
> On 02/07/2017 10:00, Phil Allison wrote:
>> Graeme Wall wrote:
>>
>> ------------------------
>>
>>>
>>>>>
>>>>> Only 12W of power consumption and the TT floats & rotates 50mm above
>>>>> the base.
>>>>
>>>
>>> If they can do it with trains, a turntable shouldn't be that difficult.
>>>
>>>
>>
>> ** Answers nothing.
>>
>> When you take into account the puny power consumption, 50mm of lift that
>> disappears when the power goes off PLUS and that a magnetic phono PU must
>> not be upset by strong or rapidly varying mag fields - it looks an
>> impossible task.
>>
>> But pictures like the ones I linked don't lie.
>>
>
> One of the things I learnt early on was that pictures nearly always lie
> :-)
>
>
> --
> Graeme Wall
> This account not read.
>

[Phil Allison[_3_]]

Brian Gaff wrote:

-----------------------
>
> Of course if you could get the temperature low enough you could use a
> superconducting magnet and lose no power so no stray fields.
> Brian


**From a similar thread on RAP:

-----------------------------------------------------------------

On Sunday, July 2, 2017 at 9:10:37 PM UTC+10, Mike Rivers wrote:
>
>
> > And the levitation and rotation is achieved how ?
>
>
> Permanent magnets. It runs. It plays records. I saw one at CES this
> year. I think it's more for amazing and amusing your friends than for
> being a superior way to play records, though I expect that the isolation
> from vibration is excellent. Just the thing for playing your old Bob
> Dylan or Aerosmith LPs during an earthquake.

---------------------------------------------------------------


** Mike Rivers is a credible enough guy.

So as expected, is uses powerful ( likely Neodymium ) magnets.

There has to be a second rotating table under the main one, out of sight.



..... Phil

[Jim Lesurf[_2_]]

In article >, Phil
Allison > wrote:


> ** Mike Rivers is a credible enough guy.

> So as expected, is uses powerful ( likely Neodymium ) magnets.

> There has to be a second rotating table under the main one, out of
> sight.

My curiosity is WRT the level of field the cartridge is exposed to, and
what effect that might have.

Jim

--
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[Don Pearce[_3_]]

On Sun, 2 Jul 2017 04:32:16 -0700 (PDT), Phil Allison
> wrote:

> Brian Gaff wrote:
>
>-----------------------
>>
>> Of course if you could get the temperature low enough you could use a
>> superconducting magnet and lose no power so no stray fields.
>> Brian
>
>
>**From a similar thread on RAP:
>
>-----------------------------------------------------------------
>
>On Sunday, July 2, 2017 at 9:10:37 PM UTC+10, Mike Rivers wrote:
>>
>>
>> > And the levitation and rotation is achieved how ?
>>
>>
>> Permanent magnets. It runs. It plays records. I saw one at CES this
>> year. I think it's more for amazing and amusing your friends than for
>> being a superior way to play records, though I expect that the isolation
>> from vibration is excellent. Just the thing for playing your old Bob
>> Dylan or Aerosmith LPs during an earthquake.
>
>---------------------------------------------------------------
>
>
>** Mike Rivers is a credible enough guy.
>
> So as expected, is uses powerful ( likely Neodymium ) magnets.
>
> There has to be a second rotating table under the main one, out of sight.
>
You could do it with something like the stator coils of a dc motor.
Whatever - I'm guessing that the local magnetic environment is nasty
enough that your choice of pickups is pretty limited.

d

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[Phil Allison[_3_]]

Jim Lesurf wrote:

--------------------


>
> > ** Mike Rivers is a credible enough guy.
>
> > So as expected, is uses powerful ( likely Neodymium ) magnets.
>
> > There has to be a second rotating table under the main one, out of
> > sight.
>
> My curiosity is WRT the level of field the cartridge is exposed to, and
> what effect that might have.
>

** Lotsa folk have though of that - hence one hears remarks about using a crystal PU.

Many things are not speced, like W&F, so it is no surprise that the mag field above the platter is not either.



..... Phil