Off center spindle holes. Why is this still a problem?

audioarcher

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May 6, 2012

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• Sep 27, 2012

• #1

You would think in the 21st century this would be a problem of the past.

If they can make a self centering TT such as the Nakamichi Dragon why can't they make a similar machine to drill the spindle holes?

Sean

 

Bill Hart

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May 11, 2012

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• Sep 27, 2012

• #2

audioarcher said:

You would think in the 21st century this would be a problem of the past.

If they can make a self centering TT such as the Nakamichi Dragon why can't they make a similar machine to drill the spindle holes?

Sean

Click to expand...

Mel Brooks was once quoted as saying the hardest thing about the movie business was punching all those little holes in the film.

 

audioarcher

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• Sep 27, 2012

• #3

If I knew how the Nakamichi TT worked I might try to build a machine that could drill the hole in the right place.

 

GaryProtein

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• Sep 27, 2012

• #4

audioarcher said:

If I knew how the Nakamichi TT worked I might try to build a machine that could drill the hole in the right place.

Click to expand...

I can't give you the specifics, but the Nakamichi turntable had a second arm, that once in the lead out groove, computed the center of disk rotation and centered the platter around it.

http://www.youtube.com/watch?v=SRFpd0ahvj4

Off center holes are a greater source of wow and flutter than the motor.

 

audioarcher

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• Sep 27, 2012

• #5

GaryProtein said:

I can't give you the specifics, but the Nakamichi turntable had a second arm, that once in the lead out groove, computed the center of disk rotation and centered the platter around it.

http://www.youtube.com/watch?v=SRFpd0ahvj4

Off center holes are a greater source of wow and flutter than the motor.

Click to expand...

That is the hard part. I'm sure a few people would buy one if they were relatively cheap.

I have been temped to use a file on some records but its such a hassel and imprecise to boot.

 

audioarcher

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• Sep 28, 2012

• #6

Another question is if the spindle hole is correct for one side will it also be for the other?

 

JackD201

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Apr 20, 2010

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• Sep 28, 2012

• #7

audioarcher said:

You would think in the 21st century this would be a problem of the past.

If they can make a self centering TT such as the Nakamichi Dragon why can't they make a similar machine to drill the spindle holes?

Sean

Click to expand...

Great question!

 

JackD201

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• Sep 28, 2012

• #8

audioarcher said:

Another question is if the spindle hole is correct for one side will it also be for the other?

Click to expand...

Not necessarily If the A side and B side stampers aren't perfectly aligned..........

 

MylesBAstor

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Apr 20, 2010

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• Sep 28, 2012

• #9

JackD201 said:

Not necessarily If the A side and B side stampers aren't perfectly aligned..........

Click to expand...

Yeah that's what I was thinking too

 

audioarcher

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• Sep 28, 2012

• #10

JackD201 said:

Not necessarily If the A side and B side stampers aren't perfectly aligned..........

Click to expand...

I thought I had noticed that on some records I have. Oh well.

I imagine it is to expensive on the manufacturing side to solve the problem?