JMW 9 3D Arm

JMW 9 3D Arm

Postby plantboy » Tue Jun 13, 2017 11:49 am

On the web page for the JMW 9 (http://www.vpiindustries.com/tonearms), it gives the following specs:

Pivot to spindle: 223mm
Effective length: 240.7mm
Effective Mass: 10.2g
Overhang: 17.7mm
Offset angle: 22.85 degrees
Average RMS distortion: .36%

I am assuming some of the above is the same for the 3D version of the arm, but I wanted to ask to be sure if anything was different, and if there are any slight differences in cartridge compatibility?

I am assuming that the 3D version's headshell cannot be tilted at all to adjust azimuth, and as such your cartridge cantilever needs to be very close to a 90 degree angle to begin with. So perhaps a little bit less adjustable, but I'm going to assume most agree that's a good tradeoff for what the arm gives back for that tradeoff.

Thanks!
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Re: JMW 9 3D Arm

Postby JRM » Tue Jun 20, 2017 3:30 pm

Can anyone provide a review of the JMW 9 3D Armwand? This may help answer the question.
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Re: JMW 9 3D Arm

Postby thegage » Tue Jun 20, 2017 4:06 pm

I don't believe the 9" 3D is available yet. When it is, as it is a uni-pivot I assume azimuth will be adjusted the same way it currently is: using the counterweight or side weights.
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Re: JMW 9 3D Arm

Postby edw » Tue Jun 20, 2017 10:14 pm

There are a few out there already - unfortunately not me :(

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Re: JMW 9 3D Arm

Postby Mat » Thu Jul 13, 2017 2:37 am

We are making and shipping them now :) Easy drop in upgrade!
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Re: JMW 9 3D Arm

Postby husafreak » Thu Aug 24, 2017 5:20 pm

Hmmm, I don't see this on the website. What are my options regarding an arm upgrade for my Scout II? A 9" 3D arm obviously but what about a 10" arm? I didn't realize that could be done.
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