Ortofon MC 90X
Overview
The Ortofon MC 90X phono cartridge represents the culmination of decades of expertise in the design of moving coil cartridges. As the successor to the renowned MC A90 model, it incorporates cutting-edge technologies to deliver an exceptional listening experience for the most demanding audiophiles.
Innovative construction with SLM technology
At the heart of the MC 90X lies its stainless steel structure, crafted using Selective Laser Melting (SLM) additive manufacturing technology. This advanced process creates a monoblock body with optimal mechanical properties. The resulting structure offers remarkable rigidity while minimizing unwanted resonances. This unique design contributes to the cartridge’s sound purity by eliminating undesirable vibrations that could affect the playback of vinyl records.
SLM technology also allows for fine optimization of the cartridge’s internal geometry. Ortofon engineers were able to design complex shapes that would be impossible to achieve with traditional manufacturing methods. This design freedom translates into significantly improved acoustic performance and mechanical stability.
An exceptional diamond for precise playback
The MC 90X is equipped with the Replicant 100 diamond, a true technological gem from Ortofon. This diamond stands out for its thin and lightweight profile, combined with an exceptionally large contact surface with the groove. This unique geometry enables extremely precise playback of vinyl grooves, capturing even the finest nuances etched into the record.
The boron cantilever, a material renowned for its rigidity and lightness, ensures faithful transmission of the diamond’s vibrations to the coils. This combination of the Replicant 100 diamond and boron cantilever contributes to the MC 90X’s exceptional tracking precision, even during the most complex passages.
High-level sound reproduction
The MC 90X excels in delivering a sound image with surgical precision. The channel separation, exceeding 28 dB at 1 kHz, allows for remarkable spatialization. Listeners can perceive each instrument with precise localization in the soundstage.
The extended and linear frequency response (20 Hz - 20 kHz ±1 dB) ensures faithful reproduction across the entire audible spectrum. Low frequencies are rendered with depth and control, while the highs benefit from remarkable extension and finesse. The midrange, meanwhile, is characterized by its transparency and harmonic richness.
The low output voltage (0.25 mV) requires the use of a high-quality phono preamplifier capable of amplifying this delicate signal without adding noise. This technical requirement guarantees pure and uncompromising sound reproduction.
Installation and compatibility: a demanding cartridge
Installing the MC 90X requires particular attention to achieve the best results. Its weight of 9.5 g makes it compatible with most high-end tonearms. The recommended tracking force range (2.0 - 2.5 g) allows for fine adjustments to achieve optimal performance.
The MC 90X requires high-quality associated equipment to fully express its potential. A precise tonearm, a stable turntable, and a high-performance MC phono preamplifier are essential to take advantage of the qualities of this exceptional cartridge.
The legacy of the MC A90: evolution and refinement
The MC 90X follows in the footsteps of the renowned MC A90 model, retaining its key strengths while refining them. Ortofon engineers have optimized the SLM structure and fine-tuned the settings to achieve even higher performance.
The use of premium materials, such as gold-plated OFC 6NX copper coil wire (Aucurum), reflects the attention to detail in every aspect. These technical choices contribute to the transparency and sonic neutrality of the MC 90X.
Documentation
Technical Specifications
General Specifications
- Type: Low-output moving coil cartridge (MC)
- Weight: 9.5 g
Stylus Specifications
- Diamond: Ortofon Replicant 100 Nude
- Cantilever: Boron
- Stylus suspension: Ortofon exclusive
- Stylus radius: r / R 5 / 100 µm
- Recommended stylus compliance: 11 µm / mN
Electrical Specifications
- Coil system: Quadruple coils
- Coil wire material: Aucurum (6NX OFC copper with gold plating)
- Output voltage: 0.25 mV
- Resistance: 10 ohms
- Amplifier connection: MC phono
Audio Performance
- Channel balance at 1 kHz: < 0.2 dB
- Channel separation at 1 kHz: > 28 dB
- Frequency response: 20 Hz - 20 kHz ±1 dB
Installation and Usage
- Mounting on tonearm: Headshell with half-inch mount
- Tracking force range: 2.0 - 2.5 g (20 - 25 mN)
- Recommended tracking force: 2.3 g (23 mN)
Frequently Asked Questions
What are the main differences between the MC 90X and the previous MC A90 model?
The MC 90X builds on the fundamental principles of the MC A90 while optimizing them. The SLM structure has been refined for better resonance management, and the internal settings have been perfected to enhance overall sound performance. The MC 90X thus offers even more precise stereo imaging and increased dynamics compared to its predecessor.
Is the MC 90X compatible with all turntables?
The MC 90X is designed for use on high-end turntables equipped with a quality tonearm. It requires a tonearm capable of supporting a 9.5 g cartridge and ensuring precise tracking force adjustment. It is also crucial to use a phono preamplifier compatible with low-output MC cartridges to achieve the best performance.
Does the MC 90X require a break-in period?
Like many high-end cartridges, the MC 90X benefits from a break-in period. Optimal performance is generally achieved after 50 to 100 hours of use. During this time, you may notice a gradual improvement in sound quality, particularly in terms of openness and precision.
What types of music best showcase the qualities of the MC 90X?
The MC 90X excels in reproducing all musical genres, but its qualities are particularly appreciable on complex and dynamic recordings. Large orchestral works, acoustic jazz, progressive rock, or sophisticated electronic productions allow you to fully appreciate its ability to capture the finest details and create a three-dimensional soundstage.
Is the MC 90X suitable for playing 78 RPM records?
No, the MC 90X is specifically designed for playing 33 and 45 RPM vinyl records. For 78 RPM playback, a dedicated cartridge with a diamond stylus adapted to the wider grooves of 78 RPM records is required.
- Eco-contribution included in the sale price.
- Manufacturer reference: 9030-MC-90X
- GTIN / EAN: 5705796235586
