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Matching Cartridges and Arms


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This is probably a real turntables 101 question but I was intrigued by the "Dynavector with VPI" thread

 

Assuming that you can get the correct weight and tracking force is there any reason why any cartridge couldn't be attached to any arm on any TT

Edited by Sir Sanders Zingmore
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Guest Muon N'

Compliance.

 

The arm weight in relation with the compliance of the carts suspension, heavy arm needs a stiffer suspension.

 

Think I have that right :)

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3 minutes ago, davm said:

Matching cartridges has always been a 'dark art' in my mind.

 

One of the key matching elements is to find a cartridge and tone arm combination that have a resonant frequency in the 8 to 12Hz range.

 

Have a look at:

 

https://www.theanalogdept.com/cartridge___arm_matching.htm

That's awesome, thanks @davm

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Guest Muon N'
10 minutes ago, Muon N' said:

Compliance.

 

The arm weight in relation with the compliance of the carts suspension, heavy arm needs a stiffer suspension.

 

Think I have that right :)

also the more tracking force, the stiffer that suspension needs to be.

 

Likely all in that link posted by davm :)

 

I like this PDF link for explaining things.

https://www.google.com/url?q=http://www.hifiportal.co.uk/Articles/Article0049-Cartridge%20Alignment%20Guide.pdf&sa=U&ved=0ahUKEwiVvPnjptbgAhXIb30KHTrfAbsQFgg8MAo&usg=AOvVaw1vqxWAT-So7NMlSykkD2kN

 

Not specifically on matching but helpful none the less.

Edited by Muon N'
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1 hour ago, Sir Sanders Zingmore said:

 

Assuming that you can get the correct weight and tracking force is there any reason why any cartridge couldn't be attached to any arm on any TT

 

 

1 hour ago, Muon N' said:

Compliance.

 

The arm weight in relation with the compliance of the carts suspension, heavy arm needs a stiffer suspension.

 

As MN said, Trevor, compliance is the key:

  • A 'high compliance' cart has a very floppy cantilever - so needs an arm with a very low eff. weight (so the arm can move with the cart).
  • A 'low compliance' cart has a very stiff cantilever - so needs to be matched with an arm which has a high eff. weight.

In my system:

  • a Stanton (dynamic compliance of 30) is ideally matched to my 9" Magnepan Unitrac (eff. weight 7gm)
  • whereas my ZYX Airy3 (dynamic compliance of 15) is well matched with my 12" Univector (eff. weight 23gm).

In terms of the Vinyl Engine 'Resonance Evaluator' which Peter mentioned ... cart weight is also a factor in tonearm-cart compatibility.  As davm mentioned, you ideally want a resonant frequency in the 8 to 12Hz range.

 

Andy

 

Edited by andyr
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