Phonograph cartridge Astatic 687d, Used in Airline and V-M, Voice of Music: 45139-A, 45139-C, 45139-D, 45139-E; 45440-B. Uses needle Astatic N93-sd. Ceramic. 180 MV Output. Pressure 4 to 6 grams. 30-15k freq. range. All speeds. New old stock.
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