Audio Technica ATN91R

Name: ATN91R
Brand: Audio Technica
Price: 25.0 EUR
Availability: BackOrder

Audio-Technica ATN91R: replacement stylus

For six decades, Audio-Technica has devoted its expertise to designing phono cartridges. The ATN91R stylus follows in this tradition by bringing meticulous construction to a component as discreet as it is essential: the stylus. Designed to bring an AT91R cartridge back to life or extend the service life of a CN5625AL, this conical stylus stands out thanks to its aluminum cantilever, a choice usually reserved for higher-end cartridges.

An aluminum cantilever for more accurate tracking

The main evolution of the ATN91R compared with the standard ATN91 stylus lies in its cantilever. Whereas the basic model uses a carbon fiber cantilever, the ATN91R adopts an aluminum alloy tube. This construction gives the stylus greater rigidity, which improves groove tracking: the tip maintains closer contact with the record’s modulations, resulting in cleaner transient reproduction and better control in dynamic passages.

The diamond itself retains a conical (spherical) 0.6 mil tip, mounted using a so-called “bonded” construction where the tip is crimped onto the cantilever. This proven profile offers a good compromise between versatility and longevity. It is quite forgiving of minor alignment errors and is suitable for varied collections, including slightly worn records that can challenge finer profiles.

Wide compatibility within the AT90 family

The ATN91R clips directly onto the AT91R cartridge body, but its compatibility does not stop there. It also fits the CN5625AL, a model supplied for many years with numerous entry-level turntables. More broadly, this stylus shares its mounting base with the entire AT3600/AT91 family, which opens the door to an easy upgrade for turntables originally equipped with an AT3600L cartridge.

On a turntable such as the AT-LP60X, the ATN91R can serve as an upgraded replacement for the original ATN3600L stylus, provided the tonearm tracking force can be adjusted. The manufacturer recommends a tracking force between 1.5 and 2.5 grams, with an optimal setting around 2 grams. Fully automatic turntables without a tracking force adjustment do not always allow you to get the best from this stylus, as the factory preset force may exceed the recommended range.

Frequency response and channel separation

Mounted on an AT91R cartridge, the combination offers a frequency response of 20 Hz to 20 kHz and channel separation of 18 dB at 1 kHz. These values, measured under laboratory conditions, place the combo in the entry- to mid-range category. Stereo separation remains sufficient for a well-defined soundstage on the vast majority of recordings, even if higher-tier cartridges deliver more advanced performance in this area.

The output level is around 3.5 mV, ensuring good compatibility with standard phono preamps, whether built into the turntable or external. No excessive gain is required to reach a comfortable listening level.

Quick tool-free replacement

Stylus replacement takes just a few seconds: simply pull the old stylus forward to remove it, then clip the ATN91R onto the cartridge body until you hear a slight click. No realignment is required if the cartridge was already properly installed. This simplicity makes it easy to replace the stylus at the first signs of wear—hissing on sibilants, loss of treble definition, or distortion at the end of a side—rather than putting it off.

A stylus of this type typically offers a lifespan between 300 and 500 hours of playback, depending on usage conditions, record cleanliness, and the accuracy of the tracking force setting. Monitoring the condition of the tip with a magnifying glass or microscope remains the best way to assess actual wear.

Technical specifications

Diamond characteristics

Type: conical (spherical)
Dimensions: 0.6 mil (0.01524 mm)

Electrical performance

Frequency response: 20 Hz – 20000 Hz (mounted on AT91R cartridge)
Channel separation: 18 dB at 1 kHz
Output level: 3.5 mV

Mechanical characteristics

Cantilever: aluminum
Recommended tracking force: 1.5 – 2.5 g (2 g optimal)
Mounting: clips onto the cartridge, no tools required

General information

Replacement stylus for AT91R cartridge

Compatible with the following cartridges: AT91R, CN5625AL

Frequently Asked Questions

Is the ATN91R stylus compatible with the AT-LP60X turntable?

Yes, it fits the original AT-LP60X cartridge, which shares the same mounting base as the AT91R. However, the tracking force on this turntable is factory preset and cannot be changed. If it exceeds 2.5 grams, the stylus will wear out more quickly. Check your turntable’s documentation to find out the applied tracking force.

What is the difference between the ATN91 and the ATN91R?

Both models share the same 0.6 mil conical tip, but the ATN91 uses a carbon fiber cantilever, while the ATN91R features an aluminum alloy cantilever. This difference results in increased rigidity and better transmission of vibrations to the cartridge magnets.

Can I mount an elliptical stylus on the AT91R cartridge?

The AT91R cartridge only accepts styluses from the ATN91/ATN91R series. To switch to an elliptical profile, you need to choose a different cartridge such as the AT-VM95E, which is not compatible with the AT91R body.

Is the ATN91R stylus suitable for playing 78 rpm records?

No. The 0.6 mil tip is designed for 33 and 45 rpm microgroove records. 78 rpm records require a larger tip, generally 2.5 to 3 mils, to properly follow their wider grooves. Audio-Technica offers other models suitable for this format.

How can I tell if my stylus is worn?

Loss of treble definition, audible distortion at the end of a side or on heavily modulated passages, and pronounced sibilance on voices are common signs. Visual inspection with a magnifying glass or USB microscope lets you see flattening or chipping of the tip.

What tracking force should I set for the ATN91R?

Audio-Technica recommends a tracking force of 2 grams, with an acceptable range of 1.5 to 2.5 grams. A precision tonearm scale lets you make this adjustment accurately.

Does the ATN91R stylus work on Rega Carbon and Edwards Audio C50 cartridges?

These cartridges use a body identical to the AT3600/AT91 family, so the ATN91R can be fitted physically. However, make sure your tonearm allows you to adjust the tracking force within the recommended range before proceeding with the replacement.