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In Reply to: AT95E or Ortofon OM 10? posted by lpspinner on April 28, 2007 at 08:26:39:
Is the Pioneer arm light, medium or heavy (eff. mass)?The AT cart is rather stiff while the Ortofon has a soft suspension.
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The arm is probably medium. It's an "S" arm, but not too thick.
The stiffer suspension (lower compliance) of the AT make it a better match for your S-arm which would be medium to high mass. Don't worry about the weight of the AT--it will work fine with your arm.
The S-shaped arm on the Pioneer is going to be low to medium mass at the high end. It is certainly not a high mass tone arm. The compliance #'s on both cartridges (20 on the AT, 25 on the Ortofon) put them both solidly in the high compliance zone (they are both pretty "springy" cartridges), making either a decent match with a lower mass arm.After checking the PL-10 manual at vinyl engine, it appears that Pioneer actually recommended lightweight cartridges in the 4.0 to 5.5 gram weight range, so it would appear that either of these with their high compliance would be a good match with the PL-10, the Ortofon perhaps more so based on weight alone, not that that would be a truly defining parameter.
How is an S-arm low mass? I have tested for resonance on s-arms and high compliance carts always end up in the 6-7Hz range, which is too low. The AT-95E has a compliance of 6, which makes sense having a tracking force of 2g, and will be a very good match for the tonearm.
The AT 95E has a stated compliance of 20 (the Ortofon is 25-both are high compliance cartridges):http://www.lpgear.com/Merchant2/merchant.mvc?Screen=PROD&Store_Code=LG&Product_Code=ATC95E
The S-shaped arm on the older Pioneers is definitely not a high mass design.
check cartridgedb.com
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Yes, they measure the same as Denon, apparently. My Denon 103R has a quoted compliance of 5 by Denon and the AT95E is quoted as 20 by AT. While one might argue that the Denon is really a medium compliance cartridge, it is pretty difficult to argue that the AT 95E, being 4 times as compliant, is a lower compliance cartridge.
AT95E has a compliance of 6.5cu @ 100Hz. It will be approximately double that at 10Hz - still lowish.
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