I get the 20 gr from here (look down at comments section)Originally Posted by Marco
I know on Dave C's site it states the effective mass for the SA 750 is 20g, but with respect to Dave, I think he's miscalculated it. It's more like 14 or 15g, the same as the Ortofon TA-100 (which is near identical to the SA 750)
I don't use the Jelco headshell when I'm using the 103, as it's too light - that's where the 17.5g Ortofon LH-9000 comes in:
http://www.vinylengine.com/library/jelco/sa-750d.shtml
Anyway, 5 GR more on headshell lower the FR from 9.3 to 8.7, so the FR it's still into the suggested range.
Always the best for you, Marco
Ok, thanks
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