Phonograph diamond needle branded Astatic N573-SD, 648-DS73. Replaces: RCA 118197, 118198. Used in: RCA RMP-204-9, 117330, 117331, 122123. Tip materials: .0007 Diamond. Radii: .003 Synthetic Sapphire. Speeds: 33, 45 and 78 RPM. New old stock. Color may be black or white.
N573SD, 934D, 2913DS, M86XSD, 639SD
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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.