Ortofon Hifi STYLUS 40
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Information
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Manufacturer Information
Ortofon Hifi
https://www.ortofon.com
support@ortofon.dk
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SOGETRONIC
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A High-End Stylus Designed to Exploit the Full Potential of OM Cartridges
This replacement diamond is intended for users who want to maintain the sonic signature and performance of a high-level OM cartridge while restoring "like-new" playback. Its Fritz Gyger FG 70 profile, renowned for its finesse, aims for a more complete groove reading with reduced distortion and a better-defined soundstage.
For Whom and What Uses?
Ideal for demanding vinyl enthusiasts, audiophiles, and listening-oriented DJs (home studio, hi-fi living room, archiving, and digitization). Thanks to its high tracking ability and compliance, it adapts very well to carefully set-up turntables: alignment, tracking force, and stylus angle are key to getting the most out of it, whether on recent pressings or more delicate records.
Features and Innovations
The Line Contact FG 70 profile is designed to improve reading finesse, especially in the high frequencies, while limiting surface noise when properly adjusted. The tracking force range (1.25 to 1.75 g) allows behavior adjustment depending on the tonearm and record condition, with a recommended value of 1.5 g. The stylus features an r/R radius of 5/70 µm and a 20-degree stylus angle, ensuring geometry consistent with the announced compatible cartridges.
Technical specifications
| Frequency response | 20 Hz - 22 kHz |
| DJing type | Monitoring |
| Category | diamond |
| Type | diamond |
| Destination | hifi |
| Diamond tip | Fine line |
| Color | Black |
| Quantity | 1 |
| Diamond | Line Contact FG 70 (Fritz Gyger) |
| Stylus tip radius | r/R 5 / 70 µm |
| Stylus color | Black |
| Stylus angle | 20 degrees |
| Tracking capacity (315 Hz with recommended tracking force) | 80 µm |
| Compliance, dynamic, lateral | 22 µm/mN |
| Tracking force range | 1.25-1.75 g (12.5-17.5 mN) |
| Recommended tracking force | 1.5 g (15 mN) |
| Recommended for the following cartridges | OM 40, OM 40 GOLD |
Questions frequently asked
Is the Ortofon Hifi Stylus 40 compatible with an OM 40 cartridge?
This diamond stylus is recommended for OM 40 and OM 40 GOLD cartridges. It allows replacing the tip while maintaining the geometry designed for these models.
What tracking force should be set with this stylus?
The recommended tracking force is 1.5 g, or 15 mN. The adjustable range is from 1.25 to 1.75 g (12.5 to 17.5 mN).
What diamond profile does this stylus have?
The tip features a Line Contact Fritz Gyger FG 70 profile, with a radius r/R of 5 / 70 µm. This geometry aims for precise groove reading, especially in the high frequencies.
Is this stylus suitable for hi-fi listening and vinyl digitization?
Its hi-fi purpose and reading capability from 80 µm at 315 Hz make it suitable for listening, archiving, and digitization. A properly adjusted turntable is necessary to exploit its lateral compliance of 22 µm/mN.
What frequency response does the Stylus 40 tip offer?
The stated frequency response covers from 20 Hz to 22 kHz. The tracking angle is set at 20 degrees.



