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SME Series 309GD

Tonearm

Condition: New
Warranty: 2 Years
Colour: Black
HTFH Cat. No.: EB376
  • SME - probably the best tonearms in the world
  • Detachable die-cast magnesium headshell
  • Silver litz internal wiring
  • Acoustically inert tonearm damps minute residual vibrations
  • The GD features gold detailing
£2,800.00 Each

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SME
SME Series 309GD
SME Series 309GD

Overview

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.

Standard 309 tonearm but with gold detailing.

Features

Build

Unique pressure die-cast magnesium shell detachable and interchangeable without disturbing cartridge or wiring. New design clamping arrangement ensures rigid junction with tone-arm. Stainless steel cross shaft, ground and thread ground. Carried in massive yoke on 10mm precision ball races. Axis at record mean level to minimise warp-wow. Unique assembly gives high rigidity and allows bearings to be critically adjusted before tone-arm is fitted. Stainless steel vertical shaft, ground and thread ground, with integral 16mm diameter flange to couple shaft and yoke. 23mm diameter steel pillar, heat treated, ground and honed, carries two 17mm precision ball races, widely spaced to resist tilt. Internal wiring in silver litz.

Damping

Internal constrained layer damps minute residual vibrations making tone-arm acoustically inert. 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.

Adjustments

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. Reference lines on tone-arm facilitate VTA setting. Fine adjustment of horizontal tracking angle (HTA).

Technical Specification

SME Series 309GD

Effective mass     9.5g
Cartridge balance     6 – 17g
Vertical tracking force     0 – 2.5g
Maximum tracking error     0.013°/mm    
Net weight     717.0g
Pivot-stylus distance     232.2mm    
Pivot-sindle centre distance     213.4mm    
Audio lead     1.2m

SME 309 Dimensions 
A – Distance from pivot to stylus     232.32mm
B – Distance from pivot to turntable centre     215.35mm
C – Cartridge fixing centres     12.70mm
D – Offset angle     23.204
E – Linear offset     91.54mm
F – Overhang     16.98mm
G – Height above mounting surface     87.90mm max - 56.40mm min
H – Height of record surface above mounting surface     55.90mm max - 24.40mm min
J – Depth below mounting surface     56.75mm
K – Radial clearance for balance weight     73.0mm
L – Clearance between cabinet lid and record surface, assuming cartridge height at 17.0mm     37.0mm

Warranty
2 Years
Manufacturer
SME
Model Number
Series 309GD
Colour
Black
Total weight
9.5g
Voltage
n/a

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