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.
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
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