| Romy, agree it sounds and looks strange. But the arm works with two magnets, one sitting under the arm/string and the other below it on the base, these two should be parrallel when the VTF is measured and this occurs when the arm is leveled. So if you were to use a normal scale it would have to be level with the record, i.e, the scale must sit beside the record with its plate at exactly the same height as the record itself. Still I dont see why this should be so hard to accomplish, but its the explanation for the fish scale the guy uses in your picture. |
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