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SME Model 20/3 - Series V GPD Tonearm

Belt Drive Turntable

Condition: New
Warranty: 2 Years
Colour: Black
HTFH Cat. No.: EB315
  • Massive construction, extensional damping and lack of vibration from moving parts
  • The worlds best tonearm with gold detailing comes as standard
  • Superb instrument quality machining allied with fundamental physics
  • Resists flexing at low frequencies, high frequency resonance is attenuated by efficient extensional damping
  • Series V GPD tonearm included (please enquire about receiving alternate arms)
£15,450.00 Each

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SME
SME Model 20/3 - Series V GPD Tonearm
SME Model 20/3 - Series V GPD Tonearm

Overview

This finely engineered precision turntable is built to the same exacting standard and incorporates many design features originated for the Model 20/12. Massive construction, extensional damping of major surfaces and lack of vibration from moving parts ensures exceptional detail, resolution and uncoloured performance.

A turntable should address the problems of extraneous vibrations. These emanate from numerous sources including air and structural vibration from loudspeakers, groove modulation, stray electrical fields and mechanical imperfections in moving parts. In the Model 20/3, superb instrument quality machining is allied with fundamental physics. The higher the mass and stiffness of a body the less it will flex and vibrate; the duration of a vibration can be shortened by suitable damping.

Model 20/3 weighs approximately 28.6Kg (63lb), significant in relation to its size because it is density that matters. For example, the same weight of metal spread over a large enough area would be aluminium foil! The sub-chassis measures only 440mm (17 5/16”) by 350mm (13 ¾”) but weighs 11Kg (24lb). Its thickness 16mm (5/8”) resists flexing at low frequencies whilst high frequency resonance is attenuated by efficient extensional damping.

Features

Damping & Platter

Designed to compliment our very own Series V tonearm. No sonic footprint, the sub-chassis is hung on 80 strands of rubber in the form of 40 purpose moulded ‘O’ rings. An ingenious method of anchorage allows them to be removed or replaced instantly. A large centrally placed fluid-damper disciplines sub-chassis movement with a pleasing sense of security when handling records on and off the platter, offering a resistive ground-path for acoustic signals. In addition to a cartridge’s electrical output, mirror image acoustic signals reacted in the arm and record, will pass into the sub-chassis in the course of dissipation. However the usual closed loop design does not address the problem of their differing phase so in the Model 20/12 the structural interfaces concerned have received special attention to provide paths of the required impedance. This control of vibration is fundamental to the design of the player and goes much of the way to explaining the stunning tonal and dynamic neutrality that it exhibits. 6.5Kg (14.3lb) platter. The face is machined with a fine scroll found to interface better than a plain surface. A substantial reflex clamp ensures maximum contact with the platter even when severe record warp is present. The sub-chassis/arm mounting board interface is extensionally damped and the mounting board is reversible to allow mounting of nine inch pick-up arms when necessary.

Motor

The turntable is driven by a 3 phase, brushless outrunner motor with 8-pole Neodymium magnets and 3 integrated Hall effect sensors and virtually vibrationless by reason of its 2.5 kg (5.5 lbs) weight as well as being isolated on urethane mounts that are adjustable for accurate belt positioning.The electronic controller uses a high performance microprocessor, optimised for motor control. Closed loop speed control is implemented using a proportional plus integral (PI) algorithm. Fine pitch speed adjustment allows increments/decrements of +/-0.01% of selected speed. Speed ranges: 33.3, 45 & 78 rpm.

Technical Specification

SME Model 20/3 - Series V GPD Tonearm

Mains voltages available are 90-110V, 105-125V and 220-240V 50/60 Hz. Please specify when ordering.

Warranty
2 Years
Manufacturer
SME
Model Number
Model 20/3 - Series V GPD Tonearm
Colour
Black
Total weight
31kg
Length
35cm
Width
44cm
Height
17cm
Voltage
220v / 240v Only

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