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Fidelity Research FR 1

Stereo Moving-Coil Phono Cartridge

Fidelity Research FR 1


The most advanced cartridge in the FR-1 series, the FR-1MK3F was the first MC cartridge in the world to use pure silver wire for the coils.

As a conductor, pure silver has lower resistance than any other metal.

Therefore, efficiency is greatly improved without the need to make any other alterations in cartridge design.


Frequency response: 10Hz to 40 Hz

Inter channel balance: within 1dB at 1kHz

Stereo separation: better than -22dB at 20kHz

Output voltage: 0.14mV

Load impedance: 10 ohms

Tracking force: 2g

Vertical tracking angle: 15 degrees

Stylus tip: line contact naked diamond

Weight: 10g


mk3 instruction/owners manual  English

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Fidelity Research Phono Cartridges

Fidelity Research FR 1 / FR1 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 Fidelity Research.