Nagaoka MP-100 MM sound box
Nagaoka quality galore! A recommended and popular upgrade to replace older basic boxes also for heavier sound arms.
Founded in 1940, Nagaoka, Japan, manufactures its sound boxes meticulously by itself from start to finish, also working as a subcontractor for many big brands. The company's job description includes fine machining of metals, magnetic materials, and gemstone materials.
The world-renowned Nagaoka sound boxes and Audio accessories represent the traditional high Japanese concept of quality.
Technical information:
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Needle shaft: Aluminum
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Needle grinding: Round 0.6mil
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Output voltage: 5mV (5cm/sec)
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Channel balance: better than 2dB
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Frequency response: 20-20000Hz
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Channel separation: 22dB
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Mass: 6.5g
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Needle weight: 1.8-2.3g
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Load: 47k
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Dynamic elasticity: 5.5 x 10-6 cm/dyne
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Static elasticity: 18 x 10-6 cm/dyne
