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In Reply to: RE: Opinions on step-ups posted by TannoyGRF on May 23, 2007 at 00:34:43
Your OC9 has an impedance of 20 ohms and the Ortofon T-30 is specified for 24 - 40 ohm cartridges. This should be close enough. Unless you want to get something closer to 20 ohms.