RS Laboratory RS-A1
Japanese uni-pivot tonearm with rotating headshell
The RS-A1 tonearm is based on the theory that the tonearm should be the mechanical earth to the vibration system.
Much like an electrical system where the ground potential is the potential where all other references are considered.
To pick up the tone signal accurately from the disc, the support part of vibration system (including cartridge body, shell, arm, arm base) should not be moved relatively to the vibration system.
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RS Laboratory RS-A1 / RSA1 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 RS Laboratory.