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SME Model 300 Tonearm


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Ex VAT: 1541.67

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Condition:Brand new in original retail packaging

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Brand SME

Tech Specs

Model 309
Pivot to stylus: 232.32mm
Pivot to centre: 215.35mm
Cartridge fixing: 12.70mm
Offset angle: 23.204°
Linear offset: 91.54mm
Overhang: 16.98mm
Mount: 87.9/56.4mm (max/min)
Mounting Depth: 56.75mm
Balance Weight: 73.0mm
Effective mass: 9.5g
Cartridge balance: 6-17g
Vertical Tracking: 0-2.5g
Max track error: 0.013°/mm
Net weight: 717.0g
Audio lead: 1.2m


Model 310
Pivot to stylus: 238.5mm
Pivot to centre: 222mm
Cartridge fixing: 12.70mm
Offset angle: 22.569°
Linear offset: 91.54mm
Overhang: 16.50mm
Mount: 87.9/56.4mm (max/min)
Mounting Depth: 56.75mm
Balance Weight: 73.0mm
Effective mass: 9.7g
Cartridge balance: 6-17g
Vertical Tracking: 0-3g
Max track error: 0.013°/mm
Net weight: 720.0g
Audio lead: 1.2m


Model 312S
Pivot to stylus: 308.80mm
Pivot to centre: 295.60mm
Cartridge fixing: 12.70mm
Offset angle: 17.28º
Linear offset: 91.54mm
Overhang: 12.60mm
Mount: 87.9/56.4mm (max/min)
Mounting Depth: 56.75mm
Balance Weight: 73.0mm
Effective mass: 14.0g
Cartridge balance: 7-19g
Wire: Ultra-flex Silver litz
Max track error: 0.009°/mm
Null: In/Out 63.6/119.5mm
Net weight: 820.0g
Audio lead: 1.2m

Product Description

The Series 300 broadens the application of SME technology, available as either the Model 309, Model 310 or Model 312S.

Choice of Arms

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

Key Features

- Pressure die-cast Mg shell detach/interchangeable without disturbing cartridge/wiring.
- New design clamping arrangement ensures rigid junction with tone-arm.
- Acoustically inert as internal constrained layer damps minute residual vibrations.
- Stainless steel cross shaft, ground, thread ground.
- Carried in massive yoke on 10mm precision ball races.
- Unique assembly gives high rigidity and allows bearings to be critically adjusted.
- Stainless steel vertical shaft, ground and thread ground.
- Integral 16mm diameter flange to couple shaft and yoke.
- 23mm (D) steel pillar, heat treated, ground/honed with 2 wide spaced 17mm ball races.
- Anti-skate control operates through tension spring and filament.
- Dial corresponds with VTF, has + 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
- Underslung weight provides non reflective tonearm termination.
- Swivelling, damped output socket minimises vibration transmission in sub-chassis use.
- Reference lines on tone-arm facilitate VTA setting.
- Fine adjustment of horizontal tracking angle (HTA).
- New design alignment protractor sets HTA with great accuracy.
- Cartridge leads and internal wiring LCOFC litz.
- Balanced LCOFC audio lead with gold plated phono plugs.

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