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[#1] 出售: B&W 802 Series 2 (交易完成)    
價錢 HK$: 8,000
Specifications:

Frequency Response: 55Hz to 20 kHz +- 2dB at center of the listening window at 2m.
Low Frequency System: Closed box acoustic suspension with system resonance of 49Hz and system Q of 0.7.
Dispersion: Vertical: ± 1dB over 10 degrees of center window.
Horizontal: +0, -3dB over 60 degrees of center window, 20Hz to 13kHz.
Drive Units: Vertical in-line configuration corrected for minimum inter-unit time delay. Computer matched in pairs ensuring accuracy typically better than 0.25dB. Bass Drivers (2): Diaphragm: 6.5” Thermos plastic cone with PVA compound coating. Ultra long throw suspension. Voice coil: 38mm D high temperature Nomex.
Magnet system: 2.25kg, ceramic.
Midrange driver: Diaphragm: 4” D aromatic polyamide fiber matrix cone, critically formed and PVA impregnated following a laser interferometry computer-linked pattern.
Voice coil: 25mm phenolic bonded and aluminum lined.
Magnet system: ceramic. High-frequency driver: Diaphragm: 1” multi filament polyester weave dome, mechanically dampened.
Voice coil: 1” high temperatures epoxy impregnated.
Magnet System: high energy nickel cobalt, center pole.
Impedance: 8 ohms nominal throughout entire operating range.
Sensitivity: 1W into 8 ohm load for a spl of 85dB at 1m, sinewave input at 300Hz.
Power limit: Minimum 80W into 8 ohms. No upper limit because of overload protection device.
Dimensions: Height = 41 in. Width = 11 ¾” Depth = 14 ½”
Weight = 72 lbs
Power limit: Minimum 100W into 8 ohms - a peak of 500. No upper limit because of overload protection device.


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2020-03-30 11:56
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