I'm not sure. What I said was just the average life of styli according to the manual for my Ortofon OM20 (an MM with a replaceable stylus). Also, most companies that sell MCs w/o replaceable styli allow you to either have them "re-tipped" or trade them in for discounts on a new one.
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Chaintech AV-710 Setup Guide || Folding for Head-Fi since Aug '04!
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Digital Rig: EMU 0404 -> Headsave Classic (HSA2 version) -> Beyerdynamic DT770 Pro/M-Audio BX8 speakers
Analog Rig: Technics SL-1600 MKII (w/ Ortofon OM20) -> Harmon Kardon 730 Receiver -> DT770 Pro/M-Audio BX8 speakers
Portable Rig: Rio Karma -> Koss PortaPro 2
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