PLATINUM 乐聆 乐聆PLATINUM Air Pulse 3.1

上市参考售价:¥1,000,000

推出年代:1997

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1997年Air pulse 3.1获美国拉斯维加斯CES创新大奖,日本音响杂志《Stereo Sound》授予“1997-1998年度最佳器材Golden Sound Award”。

器材规格

Scheme 4 ways, 4 speaker all horn scheme, and a floor type
Unit etc. For low-pass: 30cm cone type x2
For mid ranges: 10cm dome shape
For high regions: 9.5cm ring type
Frequency characteristic 20Hz - 20kHz
25Hz-17kHz±2.5dB (an axis and non-axis top is not asked)
Sensitivity 96dB/2.83V
Maximum sound pressure (1m) 127dB (succession)
147dB (peek)
Nominal impedance 12ohm (system)
Recommendation amplifier output 25W-10,000W
Cross over frequency 125Hz, 900Hz, 6.5kHz
Dimensions Width 820x height 1,830x depth of 1,220mm
Weight About 400kg

Woofer
Magnet A ferrite, 11kg
Voice coil 100mm aperture edge volume copper wire, a Kapton Former bobbin
Impedance 8 ohm (each bobbin), 2 unit series connection
Cone Long fiber wood pulp (resin impregnation) 300mm aperture
Edge Cross
QTS(Total Q) 0.12
Maximum permissible input 600W (succession)
Mid range
Magnet A ferrite, 11kg
Diaphragm The dome made from a 100mm aperture aluminum alloy
Voice coil 100mm aperture edge volume copper cladding aluminum wire, a magnetic liquid cooling
Impedance 8ohm
Maximum permissible input 10,000Wpeak
Tweeter
Magnet A ferrite, 5kg
Diaphragm 95mm aperture aluminum alloy (the shape of a ring)
Voice coil 75mm aperture edge volume copper cladding aluminum wire, a magnetic liquid cooling
Impedance 8ohm
Maximum permissible input 10,000Wpeak

Woofer Amplifier hardwired connection (with filter nothing and no electrical circuit)
Mid range 12dB/oct(900Hz)
12dB/oct(6.5kHz)
Tweeter 12dB/oct(6.5kHz)
* It is a not included about an equalization circuitry in a crossover.

Overall A speaker (one side) consists of x2 for low-pass, x2 for inside low-pass, an object for mid ranges, and a total of six horns for high regions.
The horn for low-pass 35m length spiral type hyperbolic exponential hybrid horn
Compression ratio (Woofer cone part: Horn Sloat part) 3:1
Opening dimension: 1.2m2
A horn opening is a 360-degree rotation possible.
The horn for inside low-pass An exponential type horn with the radiating pattern of a horizontal omnidirection and 45 perpendicular directions
The horn for mid ranges An exponential type horn with the radiating pattern of a horizontal omnidirection and 45 perpendicular directions
The horn for high regions An exponential type horn with the radiating pattern of a horizontal omnidirection and 40 perpendicular directions
It is 1 set in two sets

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