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Alphason Designs HR100S
Gimbal Bearing Tonearm
Classic 1980s tonearm from Alphason Designs. The HR100 was also available in the MCS version with mono crystal silver wiring throughout.
Description
Over seven years professional design and development, including computer aided structural and vibrational analysis, together with top quality materials and precision construction, goes into making this the worlds best sounding tonearm.
Not only have basic parameters of tracking error, bearing friction and effective mass been catered for, but also such advanced scientific details as rigidity, resonances, energy paths and structural damping have been analytically optimised.
The Alphason HR100S is a most unusual arm. An ultra-strong, one-piece titanium casting forms the arm-tube and head shell; tool-grade steel is used for the gimbal-bearing housing and ultra-tough ceramic for the bearings themselves.
Specifications
Effective length: 229mm
Mounting distance: 211mm
Overhang: 18mm
Effective mass: 11g
Review
The HR100 impressed us strongly by it's neutral and tonally balanced performance. Treble was detailed and precisely located and yet free of edge or grain. The mid-range gave excellent rendition of vocal lines while bass was firm, extended and detailed. Stereo was exceptional with precise positioning and fine depth and ambience - £300 HiFi Choice 1983
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Alphason Designs HR100S / HR-100 owners manual, service manuals and schematics are for reference only and the Vinyl Engine bears no responsibility for errors or other inaccuracies. The PDF files are provided under strict licence. Reproduction without prior permission or for financial gain is strictly prohibited. This website is not affiliated with or sponsored by Alphason Designs.
