Ortofon OM30 Stylus

The Stylus 30 — Fine Line Geometry on the Body You Already Own

Ortofon's replacement stylus for the OM 30, supplied singly. This is where the OM range leaves elliptical geometry behind: the diamond is a nude Fine Line, specified at an 8/40 µm radius rather than the 8/18 µm used further down.

The second number is the one that moved. A 40 µm side radius holds a long, narrow contact line up the groove wall instead of a short one, which reaches modulation a rounder flank rides over and spreads wear across more of the surface.

Fit, Profile and Compatibility

Which Bodies It Belongs On

This is the matched stylus for the Ortofon OM 30. Ortofon covers the whole family in a single user guide headed “OM & Concorde MkI,” which is the clearest statement of what shares this mount: the OM bodies and the original Concorde take the same styli.

It is the same mount the entry-level styli use, so a Fine Line diamond can be fitted to an OM body that has never had one, in the time it takes to pull the old assembly off.

The Numbers That Matter at Setup

Ortofon specifies the nude Fine Line at 8/40 µm, dynamic lateral compliance of 25 µm/mN, tracking ability of 70 µm at 315 Hz, and 20 Hz – 20 kHz within +2/–3 dB.

Tracking force is 1.25 to 1.75 g, recommended 1.5 g. A Fine Line profile is more sensitive to how the cartridge sits than a simpler tip, so it is worth checking that the arm is level as well as correctly weighted.

Who Is the Stylus 30 Best For?

• Your OM 30 is worn — restoring the Fine Line tip costs far less than a new cartridge
• You want Fine Line geometry on an existing OM body — the mount is unchanged, so it is a stylus purchase
• You care about groove wear — a longer contact line spreads the load over more of the wall
• You have the arm set up properly — this profile rewards accurate weight and a level arm
• You own a 2M, Concorde Music or 500-series cartridge — this is not the matched part for any of them; theirs are in replacement styli

How Do You Fit It?

The cartridge does not move. Draw the old assembly straight off the front of the body by its housing and press this one on until it seats. Then set tracking force to 1.5 g and confirm the arm is parallel to the record — Fine Line geometry cares about both.

Pairs Well With

What most OM 30 owners shop alongside.

• Stylus force gauges — how you set the 1.5 g this one asks for
• Stylus cleaning — what decides how long the new tip lasts
• Cartridge alignment tools — for the day the whole cartridge comes off
• Record cleaning solutions — a clean record is the cheapest stylus insurance there is

Frequently Asked Questions

Will it fit my cartridge?

It is the matched stylus for the OM 30, on the mount Ortofon documents as “OM & Concorde MkI.” Other Ortofon ranges take their own styli.

What does Fine Line change against an elliptical?

The side radius widens from 18 µm to 40 µm while the leading radius stays at 8 µm. That turns a short contact patch into a long, narrow one, reaching detail an elliptical skims.

What tracking force should I set?

Ortofon specifies 1.25 to 1.75 g and recommends 1.5 g. Check the arm is level at the same time; this profile is less forgiving of a tilted cartridge.

How long does a stylus last?

Around 1,000 hours is the usual figure, though it turns on how clean your records are and how accurately the cartridge is set up. A worn tip damages records, so replace it on schedule rather than by ear.

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