Nagaoka MP-150H

The Nagaoka MP-150H represents the culmination of Japanese expertise in phono cartridges, offering the renowned performance of the MP-150 in a pre-mounted headshell version. This moving magnet cartridge stands out thanks to its superfine elliptical diamond and lightweight aluminum alloy cantilever, positioning this model as a notable evolution over the MP-110H. Designed for demanding audiophiles and music lovers seeking to optimize their vinyl setup without installation complexity, it stands out as a top technical solution in its price category.

Full Japanese Design and Manufacturing

Nagaoka maintains a unique artisanal approach in the phono industry by manufacturing all the components of its cartridges entirely in-house. From the cantilever to the diamond shaping, including coils and magnets, every element of the MP-150H benefits from this traditional Japanese know-how. This complete mastery of the production chain ensures exceptional consistency between all components, optimizing the cartridge’s overall performance.

The shell features a carbon fiber-reinforced plastic construction, a material chosen for its lightness and rigidity. This technical approach minimizes unwanted resonances while keeping the cartridge’s weight to just 6.5 grams. The body incorporates specific anti-magnetic shielding, effectively protecting the signal from surrounding electromagnetic interference.

Superfine Elliptical Diamond Technology

The superfine elliptical diamond is the central element of this cartridge’s playback performance. Unlike simpler spherical diamonds, this 0.4 × 0.7 mil elliptical geometry allows for optimized contact with the groove’s flanks. This technical configuration ensures precise tracking of the finest modulations engraved in the vinyl, significantly reducing playback distortion.

The superfine polishing of this diamond represents a superior level of finish, guaranteeing a perfectly smooth contact surface. This machining precision directly contributes to the preservation of vinyl records, minimizing wear during repeated playbacks. The bond between the diamond and the cantilever uses advanced adhesive techniques, ensuring optimal transmission of mechanical vibrations.

Cantilever and Magnet: The Evolution from the MP-110

The MP-150H features a conical cantilever made from a significantly lighter aluminum alloy compared to the MP-110H model. This reduction in moving mass directly improves the ability to track rapid and complex modulations. The chosen aluminum offers an excellent balance between rigidity and lightness, preserving the faithful transmission of vibrations from the diamond to the magnetic system.

The Samarium-Cobalt magnet in this cartridge generates a powerful and stable magnetic field. This advanced magnetic technology ensures efficient electromagnetic conversion of the cantilever’s mechanical movements. Nagaoka’s MP series also incorporates a Permalloy oscillator at the rear of the cantilever, enhancing the mechanical stability of the moving assembly.

Easy Installation and Broad Compatibility

The MP-150H comes pre-mounted on an Ortofon/SME-mount headshell, eliminating the delicate steps of alignment and wiring. This plug-and-play approach is a considerable advantage for users seeking optimal performance without mastering the intricacies of cartridge installation. The supplied headshell uses high-quality cables, optimizing signal transmission from the cartridge to the phono preamplifier.

This cartridge is compatible with the majority of tonearms equipped with standard 1/2-inch mounts. Pro-Ject, Rega, Technics SL, Pioneer, Reloop, and Denon turntables can accommodate this cartridge without technical modification. The recommended tracking force of 1.5 to 2.0 grams suits medium-mass tonearms, making this cartridge versatile in its use.

Audio Performance and Frequency Response

The 4.5mV output at 1kHz places this cartridge in the high-output moving magnet category. This feature allows direct compatibility with MM phono inputs on amplifiers and preamplifiers, without the need for additional amplification. The frequency response covering the 20Hz-20kHz range ensures full reproduction of the audible spectrum.

Channel separation reaches 24dB at 1kHz, guaranteeing a precise and well-defined stereo image. This technical feature directly contributes to the perception of sound depth and instrument placement within the acoustic space. The optimal load impedance of 47kΩ meets industry standards, facilitating integration into most audio systems.

Technical Specifications

Audio Performance

• Output level: 4.5 mV
• Frequency response: 20 to 20,000 Hz
• Channel separation: 24 dB (1 kHz)
• Impedance: 47 kΩ

Mechanical Features

• Headshell: aluminum alloy
• Stylus tip: 0.4 × 0.7 mm bonded elliptical
• Recommended tracking force: 1.5 to 2.0 g
• Cartridge weight: 6.5 g

Compatibility

• Compatible with most turntables
• Supported brands: Technics SL, Pioneer, Reloop, Denon