AS-309S 12" vs RS-309D
The RS-309D matches the AS-309S 12" on effective mass (4 g) and effective length (329 mm).
AI-generated product photo — not official manufacturer imagery.
AnalogTonearmsDiscontinued
Estimated price (community-sourced)
$1,350.14
Around — community and catalog average, updates slowly
About the AS-309S 12"
The Ortofon AS-309S 12" tonearm is a static-balance arm developed and built by Jelco in Japan for Ortofon. It features a high-quality aluminum tonearm with a die-cast zinc shaft, combining modern precision with a nod to analog's past. It supports a wide range of cartridges and includes anti-skating control. The arm uses Japanese geometry, which differs from the Baerwald alignment, and requires an additional counterweight for SPU cartridges. It has an SME-type detachable headshell connector for easy cartridge installation. The AS-309S is positioned in the middle of Ortofon's audiophile tonearm range and was originally It is no longer in production and considered a historical product.
Specifications
Tonearm
Tonearm specifications
- Effective Length
- 329 mm
- Effective Mass
- 4 g
- Mounting Type
- SME
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions