Phonograph needle Duotone 543. Replacement for Astatic MD-1, Astatic MD-2, Astatic MD-3, C-1 type needle. Used in pickup cartridge types Astatic ACD, Astatic AC. For narrow groove records (mono). Tip: Jewel for LP. New old stock.
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Osmium...........40 to 60 hours play
Sapphire..........80 to 100 hours play
Diamond LP.....800 to 1000 hours play
Diamond Stereo...400 to 600 hours play
IF YOU ARE PURCHASING A NEEDLE
Model numbers are provided in manufacturer's references for the cartridge they installed in those models. If the cartridge has been changed by a dealer or user, this needle will not be correct for the model numbers listed, as it is the cartridge that determines what needle is needed. Be sure it looks like your old needle.