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SME Series 300 Tonearm (SME 309, SME 310 & SME 312 S)
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SME Series 300 Tonearm (SME 309, SME 310 & SME 312 S)

£2,041.67 Exc. VAT |  



SME 300 Series Tonearm

The Series 300 broadens the application of SME technology.

Although the unique one-piece magnesium tone-arm is used for the Series 300 Model 309, advanced metal techniques produce a fabricated arm of exceptional stiffness for the Series 300 Model 310 and 312 arms thus allowing a choice of three arm lengths to suit all decks.

The detachable magnesium headshell has a new style coupling, providing the convenience of rapid cartridge interchange without loss of rigidity.

SME designers can be proud of these models which offer a performance and manufacturing excellence unmatched by many more expensive models.



- Unique pressure die-cast magnesium shell detachable and interchangeable without disturbing cartridge or wiring.
- New design clamping arrangement ensures rigid junction with tone-arm. 
- Internal constrained layer damps minute residual vibrations making tone-arm acoustically inert.
- Unique assembly gives high rigidity and allows bearings to be critically adjusted before tone-arm is fitted.
- Anti-skate control operates through tension spring and filament. Dial corresponds with VTF and has positive OFF position.
- Lowering/raising control gives smooth positive action. Height of lift can be adjusted.
- Dual-lock base provides movement control with high rigidity.
- Tungsten-alloy balance weight carried on damped two-point suspension. Extra-low inertia design assists warp riding.
- Underslung weight housing corrects centre of gravity and provides non reflective tone-arm termination.
- Swivelling, damped output socket minimises vibration transmission in sub-chassis use.
- Reference lines on tone-arm facilitate VTA setting.
- New design alignment protractor sets HTA with great accuracy.   


- Effective Mass: 309; 9.5g   310; 9.7g   312; 12.0g
- Cartridge Balance Range: 309; 6g-17g   310; 6g-17g   312; 5g-14g
- Vertical Tracking Force: 309; 0g-2.5g   310; 0g-3g   312; 0g-3g
- Net Weight: 309; 717.0g   310; 720.0g   312; 782.0g
- Pivot Stylus Distance: 309; 232.2mm   310; 238.5mm   312; 308.8mm
- Pivot Spindle Centre Distance: 309; 213.4mm   310; 222.0g   312; 295.6mm






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