Ortofon RS-309D 12" dynamic-balance tonearm

RS-309D 12 inch Ortofon’s D series tonearm takes analog sound reproduction to a higher level with highly configurable VTF options and a dynamic balance system for increased stability when tracking warps and other anomalies 

D series tonearms can be used for a wide array of cartridges, feature anti-skating control.

Technical data:

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 - 5 g

Height adjustment range: 42 mm - 57 mm

Diameter of  the armbase mounting hole: 34 mm - 36 mm

Diameter of the center shaft: 16 mm

Fixing holes PCD: dia. 50 mm

Size/Thread: dia. 3.2 mm (dia. 3mm x 20mm and dia. 3 mm wood screw)

Digital scale DS 1 included

Headshell SH-1 included

Download RS-309D Mounting template here

Download RS-309D Armbase fixing locating drawing here