PD1850
http://www.xycad.com/uchome/attachment/201104/29/14692_1304048963Kosc.jpgPD1850 Technical Information
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Nominal Diameter 46cm (18")
Power rating 800 Watts
Frequency range 35 - 2000 Hz
Nominal Impedance 8 Ohms
Sensitivity (1 W 1 M) 98 dB
Highest Recommended Crossover 400 Hz
Resonance 30 Hz
Enc. Vol. Recommended 90 to 220 Litres
Effective Piston Diameter 382 mm (15.05”)
Displacement limit 32 mm (1.26”)
Voice coil diameter 127 mm (5”)
Voice coil Copper
Voice coil winding depth 28 mm (1.1”)
Voice coil wire length 48.9M (160.5’)
Magnet gap depth 11.5 mm (0.453”)
Magnet material/mass Ceramic/4.8 Kg (170 oz.)
Magnetic assembly total mass 17.27 Kg (38 Lbs.)
Flux Density 11,800 Gauss
BL product 31.57 Tesla/M
Effective Moving Mass 216.4 grams
Connectors Spring loaded push button metal bodied
Polarity Positive Voltage on Red Terminal gives forward cone motion
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Thiele-Small Parameters
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Fs 30 Hz
Xmax 11.25 mm
Revc 5.4 Ohms
Vd 13 x 10-4 m3
Qts 0.21
No 2.88%
Qms 6.04
Pmx 800 Watts
Qes 0.22
Cms 133 µM/N
Vas 249 Litres
Mms 216.4 grams
Sd 1150 sq cm
BL 31.57 T/m
看来PD扬声器在中国的知名度不怎么高。 {:3_60:} 这喇叭在国外售价相当于 1500-2500 RMB。。。 呵呵。。哪有你说的那么便宜啊。。。 呵呵。。哪有你说的那么便宜啊。。。
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