REPLACES: ASTATIC 51-1, ASTATIC 51-2, ASTATIC 51-3, SONOTONE W7590-1, SONOTONE 1P, SONOTONE 3P, SONOTONE 6430, SONOTONE 7520, SONOTONE 7590-1, SONOTONE 7590-2, MANY OTHERS. USED TO REPLACE ORIGINAL ASTATIC 51-1 SERIES CARTRIDGES FOUND IN VINTAGE JUKEBOXES INCLUDING: AMI ROWE: A, B, C, D, E SERIES. ROCKOLA: 1428, 1429, 1430, 1431 THRU 1465. SEEBURG: 1940 AND EARLIER, 1946 THRU 1948 TRASHCANS --- Replaces the original Atatic 51-1 cartridge in many old jukeboxes including AMI ROWE: A, B, C, D, E SERIES ROCKOLA: 1428, 1429, 1430, 1431 thru 1465 SEEBURG: 1946 thru 1948 JukeBox Astatic 51-1 Cartridge OEM Astatic-51. Cartridge Specifications: Element Type: Ceramic Output Voltage: 0.7 volts Tracking Force: 8 grams Frequency Range: 30-10K 1 MIL Sapphire Tip Speeds: 16, 33, 45 RPM Includes needle 700-S1 Made in the USA