SME

Series IV

The Series IV precision pick-up arm owes much to the technology developed for the acclaimed Series V.

£3,550

1 year warranty

Finance example

£710.00 initial 20% deposit then £157.78 per month for 18 months. Other finance terms available. Finance subject to status

Series IV

£3,550

The Series IV precision pick-up arm owes much to the technology developed for the acclaimed Series V. Although presented at a lower price it retains the unique one-piece magnesium tone-arm, dual-lock base and other advanced features listed.The Series IV is a worthy relative of ‘the best pick-up arm in the world’ with a sonic performance reflecting the care and attention to detail underlying its design and manufacture. Unique one-piece pressure die-cast tone-arm utilising the advantages of magnesium, replaces conventional fabricated construction.

  • Internal constrained layer damps minute residual vibration leaving the tone-arm acoustically inert.
  • Fine machined cartridge platform, enamel free to avoid interface resonance.
  • Stainless steel cross shaft, ground and thread ground. Carried in massive yoke on 10mm ABEC 3 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 ABEC 7 ball races, widely spaced to resist tilt.
  • Anti-skate control operates through tension spring and filament. Dial corresponds with VTF and haspositive 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. Adjustment leadscrew journalled in twin ball races with lever clamping.
  • 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.

Tech spec

Effective mass

10.0/11.0g

Cartridge balance range

5 – 16g

Vertical tracking force

0 – 3.0g(30mN)

Maximum tracking error

0.012 (degrees per mm)

Audio lead

Length 1.2m

Capacitance 140.0 pF per channel

Resistance 0.145 ohms per conductor

Weight net

700.0g

For more information click here to visit the SME website

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