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Linn Basik Tonearm - effective mass?

Hi,

I need some quick help.

I'm in communication with Grado re: a woofer pumping problem I'm having with my set-up: Systemdek IIX, Grado Platinum, Linn Basik arm, Arcam A75 integrated, and B&W CM4's.

I've tried all sorts of fixes without success and am ready to try a high pass filter. I have one on order from KAB which has a 15 day return policy so no great risk.

Anyway, Grado wants to know the exact effective mass for the Linn Basik arm to render their opinion and I just can't find it.

Does anyone know?

Thanks a whole lot in advance.

Andrew Weintraub
weinhen

Showing 4 responses by weinhen

weinhen OP
15 posts
 
Twl,

Thanks for your response. If I was certain that it was a compliance problem (although it likely is) I would go ahead and get a new cartridge. However, this is still less than completely clear. I'd rather not get a new cartridge and have the problem persist. Since the filter is essentially on a free trial basis, I can see if it helps and how it sounds.

Anyway, my system is in flux - I'm planning some upgrades and I'm not sure where all this will fall out over the next year or so.

Thanks again.

Andrew
weinhen OP
15 posts
 
This is an update for those who might have wondered about this thread's issue:

1. The Linn Basik arm is 12 g.

2. Grado states that this is too little for the Platinum cartridge.

Thus, use caution in purchasing Grado's for use with such arms.

Andrew
weinhen OP
15 posts
 
I don't know what the parameters ought to be. All I know is that with my current system woofer excursions happened. Previous to the Grado I had a Linn K9 cartridge mounted with no problem evident.

Whether Grado is being straight up or passing the blame, I can't tell. When I inquired what the ideal arm mass should be for the Platinum cartridge, they responded 14-17 g.

Nevertheless, the high pass filter arrived last night. It was breeze to set up. Best of all no woofer pumping and no discernible change in sound.

Andrew
weinhen OP
15 posts
 
Thanks for your interest throughout.

Andrew
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