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Mission Mechanic

Stereo Gimbal Bearing Tonearm

review this tonearm (2 reviews)

Mission Mechanic


The Mission Mechanic is a heavyweight tonearm design manufactured by GB Tools.

The arm is similar in design and construction to the Mission 774SM and Zeta tonearms which where made by the same company.


Type: direct coupled single billet construction

Bearings: ceramic

Headshell: fixed

Offset angle: 23 degrees 45 minutes

Effective length: 228mm

Mounting distance: 210mm

Overhang: 18mm

Effective mass: 16g

Cartridge weight: 4 to 14g

Friction: 20mg (vertical and horizontal)

Cable capacitance: 45pf

Mounting pillar: 25mm

Mounting cutout: 35mm

Adjustments: height, offset angle, overhang, bias

Net weight: 0.5kg

Finish: black

Cartridge colour code: red (R+), white (L+), green (R-), blue (L-)


A fine piece of engineering which is designed to react to minute forces and produce minimal levels of friction.


instruction/owners manual  English

mounting template (not to scale)  English

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Mission Mechanic 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 Mission.



I use it on a Pierre Lurne J4
turntable with a shelter 901
with amazing results.

Mission Mechanic

One of the best, ever, surpassing the Zeta...