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Old 19th September 2012, 03:59 AM   #1
fulken is offline fulken  United States
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Default Looking for Headshell Socket for DIY Tonearm

My friend, Osawa-san makes tonearms and cartridges.

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I am trying to find "Headshell Socket", connector that hold headshell. Today, he disassemble used/old/junk tonearm and reuse headshell socket.

Does anyone know where to buy them? I do not want to pay plus $100 for SME replacement.

Thank you!
Kenji
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Old 19th September 2012, 12:45 PM   #2
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I can't help you, I pull them from old tonearms too, but I have a question for you or for Osawa san: Can you get hold of good quality Japanese pivot bearings?
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Old 19th September 2012, 01:48 PM   #3
fulken is offline fulken  United States
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Hello Mark,

He does not use bearing. Please see this picture.

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Old 19th September 2012, 01:54 PM   #4
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I looked on E-Bay and found a few amongst the mega-expensive ones for a couple of bucks.

Other than that try a broken turntable at a thrift shop.
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Old 19th September 2012, 04:36 PM   #5
dtut is offline dtut  United States
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Fulken,

That's an attractive arm Osawa san has built. What is the threaded part above the pivot?
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Old 19th September 2012, 05:38 PM   #6
fulken is offline fulken  United States
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dtut,

The thread has Nd magnet. by turning the thread, we can controll tracking force on fly. It is very handy adjustment method.

Kenji
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Old 21st September 2012, 02:56 PM   #7
fulken is offline fulken  United States
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Mark Kelly,

I talked to Osawa-san regarding bearing. He was looking into them for long time, but cannot get away from 5 points contacts in the bearing (5 balls).

He also tried floating type (magnet, air, etc). If there is no contact, initial attack on sound is slower.

Best,
Kenji
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Last edited by fulken; 21st September 2012 at 03:24 PM.
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Old 22nd September 2012, 12:48 AM   #8
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Default One place to try

Only since you asked -- I'm not trying to advertise here. I buy my exotic and unusual audio components from KAB ELECTRO ACOUSTICS and I see that they sell about three vendors' tonearms, but no headshell sockets. Nevertheless, these meet your price target and you can jerk one out of the tonearm. Otherwise, just visit yard sales and thrift shops for old turntables.
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Old 22nd September 2012, 03:28 AM   #9
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Quote:
Originally Posted by fulken View Post
Mark Kelly,

I talked to Osawa-san regarding bearing. He was looking into them for long time, but cannot get away from 5 points contacts in the bearing (5 balls).

He also tried floating type (magnet, air, etc). If there is no contact, initial attack on sound is slower.

Best,
Kenji
Thanks for that. The multicontact pivot bearing is exactly what I want, I strongly dislike unipivots. I am after 6mm OD and 9mm OD; NSK Micro in Japan makes them (BCF9 and BCF6 respectively) but they won't reply to my emails.

I agree with Osawa-san about non-contact bearing problems, IMO these are caused by standing waves.

Last edited by Mark Kelly; 22nd September 2012 at 03:30 AM.
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