Mutech Hayate - Moving-coil cartridge
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Mutech Hayate - Moving-coil cartridge
Product details
Mutech Hayate — RM-HAYATE
Moving-coil cartridge with a ring magnet
The Mutech Hayate caught our attention through its generator. Its yokeless ring-magnet circuit is an architecture developed by Eiji Kanda, the founder of Mutech. The Hayate continues its evolution under the direction of Kajihara Lab, with each cartridge built by Hiroko Ishiyama from the drawings Kanda left behind.
Its appeal lies in a series of specific design choices: the magnetic circuit layout, single-layer coil winding and refinements to the connections.
A yokeless magnetic circuit
In the Hayate, the proprietary SS-μM core sits inside an N50 neodymium ring magnet. This arrangement eliminates the pole pieces normally used to guide magnetic flux in an MC generator.
Mutech aims for efficient conversion, combining an output voltage of 0.45 mV with an internal impedance of 1.75 Ω. These two figures should be considered together when selecting phono amplification.
Single-layer coil winding
The coils use thicker OFC copper wire with an optimised number of turns. Their single-layer construction is designed to reduce generator inductance.
The cantilever is made of solid boron, 0.3 mm in diameter, paired with a semi-Line Contact diamond stylus. The recommended tracking force is 1.8–2.0 g.
Refined connections
The changes also extend to the output pins. Mutech uses OFC copper supplied by Proterial, finished with thick gold plating using CROSS POINT’s HYAKUSHIKI process. This replaces the rhodium plating used previously.
A dedicated solder was also developed to connect the coil leads to the terminals. These are the details that interest us in the Hayate: the work begins with the generator itself and extends to the connections carrying its signal.
Technical specifications
| Specification | Mutech RM-HAYATE |
|---|---|
| Type | Moving-coil cartridge |
| Magnetic circuit | Yokeless ring magnet |
| Magnet | N50 neodymium |
| Core | Proprietary SS-μM material |
| Coil winding | Single-layer OFC copper |
| Output voltage | 0.45 mV RMS at 1 kHz, 3.33 cm/s |
| Internal impedance | 1.75 Ω |
| Frequency response | 10 Hz–45 kHz |
| Channel separation | ≥ 30 dB at 1 kHz |
| Channel balance | ≤ 0.5 dB at 1 kHz |
| Cantilever | Solid boron, Ø 0.3 mm |
| Stylus profile | Semi-Line Contact |
| Connection pins | OFC copper with HYAKUSHIKI gold plating |
| Recommended tracking force | 1.8–2.0 g |
| Weight | 7.4 g |
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