1. Feed-back of PP-1000 magnetic circuit technology
To the magnetic circuit structure the technology of PP-1000, the flagship model, is applied; and by refining materials and manufacturing and finishing cost advantage has been enhanced. Furthermore, by changing to samarium-cobalt magnet, the recreation of excellent feeling of sound field and freshness has been successfully realized, which has been difficult for our conventional P-3.
2. Inheriting the Body for High Quality Audio Sound
We inherit duralumin previously-well-acknowledged against P-3 as the materials of base and body. Furthermore, DLC (Diamond Like Carbon) *1) coating is conducted; thereby, the structure excellent at rigidity and vibration-damping characteristics is realized.
*1) DLC (Diamond Like Carbon） is a generic name of carbon film to be produced with vapor phase synthesis utilizing ion processing; and the high rigidity and high electric insulation similar to a diamond are provided for it.
3. Inheriting the Materials for High Quality Audio Sound
We inherit the following materials for high quality audio sound well-established in PP-1000 and others: Cantilever made of pure boron material well-acknowledged previously, magneto coil made of 6N oxygen-free copper wire, pure iron coil bobbin and others.
Magneto method: Moving coil method
Impedance: 4 ohm
Appropriate stylus pressure: 2.0 g
Output voltage: 0.28 mV (1 kHz, 50 mm/s, Horizontal direction)
Compliance: 8.0×10(e-6) cm/dyne
Playable frequency range: 10Hz to 30kHz
Separation: 30 dB or more (1 kHz)
Channel balance: 1 dB or less (1 kHz)
Mass of body: 11.1 g
Stylus Tip: Diamond(Line contact; Curvature: 0.03 x 0.003 mm)
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