Ortofon AS-309S 12″ Static-Balance Tonearm



The Ortofon AS-309S 12 inch static-balance tonearm features high quality materials and construction, combined with a nod to analog’s past, for precise sound reproduction combined with a modern-vintage aesthetic.
AS series tonearms can be used for a wide array of cartridges and feature anti-skating control. SPU cartridges require an additional counterweight.

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AS-309S 12″ Tonearm Technical Data

Effective mass (without headshell)  – 4.0 g
Effective length (distance between the stylus and pivot point)  – 329mm
Mounting distance between the pivot point and turntable center  – 314mm
Offset angle  – 19 degrees
Overhang  – 15mm

Tracking force adjusting range ( direct reading)  – 0 to 3g
Height adjustment range  – 35mm to 55mm
Diameter of the armbase mounting hole  – 19mm to 20mm
Diameter of center shaft  – 18mm
Optional counterweight for heavier cartridge between 26 and 38 grams is available.