SME 3009 Series II (early) rider weight and wayrod, good condition. Does not fit improved arms.
This is a rider weight and antiskate wayrod for the early (unimproved) SME 3009 Series II tonearm. The wayrod calibrates tracking force via a hanging bias weight and notched rail mechanism, with the rider weight sliding along the wire to set and hold the applied force.
Key specifications
Tracking Force Range (VTF): 0.25–5 g (full range using both rider weights); each wayrod division = 0.25 g
Wayrod Calibration: Each division travelled applies 0.25 g tracking force at stylus; divisions correspond to cartridge weights in grams
Antiskate Mechanism: Hanging bias weight on thread, with notched rail/bias guide; thread runs over pulley aligned to bias lever
Fitment
Compatible Model: early series 2
Specifications
Compatible Brand: SME
Colour: Silver
Compatible Model: 3009 Series II (Early / Unimproved)
Compatible Product Line: SME 3009 / 3012 Series II (Early)
Country of Origin: England
Year Manufactured: 1960s
Wayrod SME Part Number: 1909/9 (Series II unimproved)
Rider Weight Assembly: Rider Weight & Spring & Plunger Assembly; early Series II accepts an additional/extra rider weight (not compatible with Improved version)
Tracking Force Range (VTF): 0.25–5 g (full range using both rider weights); each wayrod division = 0.25 g
Wayrod Calibration: Each division travelled applies 0.25 g tracking force at stylus; divisions correspond to cartridge weights in grams
Antiskate Mechanism: Hanging bias weight on thread, with notched rail/bias guide; thread runs over pulley aligned to bias lever
