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Astatic 89t Stylus/Cartridge

 

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89t mono flip-under holder
NLA (shown for reference only)

part # stylus size Stylus point  output voltage  tracking force
910-DS73 .7 mil LP/45 - 3 mil 78 Diamond
Sapphire
.65 volts 7 gram
911-D7 .7 mil (LP/45) Diamond 1.3 volts 6 gram
911-D3 3 mil (78 RPM) Diamond 1.3 volts 6 gram
911-S3 3 mil (78 RPM) Sapphire 1.3 volts 6 gram

Note; the LP stylus is good for 33 & 45 RPM play. The LP/78 stylus is Diamond on the LP stylus & Sapphire on the 78.

Note about Diamond vs. Sapphire tipped stylus:

A Diamond tipped stylus, based on average use is good for about 1000 hours of playing time while the Sapphire tip is good for about 100 hours.

RadiolaGuy.com
C.E. Clutter

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