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ND9208w

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ND9208w

ND9208w

1. 500 W continuous program power capacity

2. High sensitivity 95dB/1w/1m

3. Extended smooth response up to 4000Hz

4. 2"high temperature voice coil

5. Neodymium magnet system

6. Ideal for line array or 2-way fullrange systems

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技术参数

General Specifications
Nominal Diameter
69 Hz
Rated Impedance
8 ohm
Nominal Power handling¹
250 Watts
Program Power²
500 Watts
Sensitivity(lw/lm)³
95 dB
Frequency Range⁴
63~4000 Hz
Minimum Impedance(Zmin)
6.7 ohm
Voice Coil Diameter
50/2 mm/inch
Voice Coil Material
Copper
Former Material
Polyimide
Voice Coil Winding Depth
18 mm
Number of layers
2(Inside/outside)
Magnet gap depth
8 mm
Basket
Cast Aluminum
Flux Density
1.6 T
Magnet Outer Diameter/Wgt
Neodymium

Thiele-Small parameters
Resonance frequency
Fs 69 Hz
DC resistance
Re 5.3 ohm
Mechanical factor
Qms 5.55
Electrical factor
Qes 0.29
Total factor
Qts 0.27
Mechanical compliance
Cms 0.2 mm/N
Mechanical resistance of suspension losses
Rms 2.06 mech-ohm
Effective Moving Mass
Mms 26.3 g
Half-space efficiency
Eff 1.5 %
BL Factor
BL 14.5 T.m
Equivalent Cas air load
Vas 13.4 liters
Effective piston area
Sd 0.0219 m^2
Max. linear excursion⁶
Xmax ±6.5 mm
Voice coil inductance
Le1K 0.54 mH
Efficiency Bandwidth Product
EBP 237

Mounting Information
Overall Diameter
200 mm
Bolt Circle Diameter
212 mm
Bolt Hole Diameter
5.5 mm
Baffle Cutout Diameter
180 mm
Overall Depth
100 mm
Net Weight
2.4 kg
Shipping Weight
2.6 kg
Shipping Box
220x220x110 mm

技术参数

LF General Specifications
Nominal Diameter
mm/inch
Rated Impedance
ohm
Nominal Power handling¹
Watts
Program Power²
Sensitivity(lw/lm)³
Frequency Range⁴
Hz
Voice Coil Diameter
mm/inch
Voice Coil Material
Copper
Voice Coil Winding Depth
mm
Number of layers
(inside/outside)
Magnet Outer Diameter/Wgt
mm/oz

HF General Specifications
Throat Diameter
mm/inch
Rated Impedance
ohm
Power handling(2k~18kHz)

Nominal²
Watts
Continuous Porgram³
Watts
Sensitivity³(lw/lm,on axis)
dB
Frequency Range⁴
Hz
Voice Coil Diameter
mm/inch
Voice Coil Material
Copper
Diaphragm Material
mm
Magnet Material
kg

LF Thiele-small Parameters
Resonance frequency
Fs Hz
DC resistance
Re ohm
Mechanical factor
Qms
Electrical factor
Qes
Total factor
Qts
Mechanical compliance
Cms mm/N
Mechanical resistance of suspension losses
Rms mech-ohm
Effective Moving Mass
Mms g
Half-space efficiency
Eff %
BL Factor
BL T.m
Equivalent Cas air load
Vas liters
Effective piston area
Sd ㎡
Max. linear excursion⁵
Xmax mm
Voice coil inductance
Le1K mH
Efficiency Bandwidth Product
EBP mH

Mounting Information
Overall Diameter
mm
Bolt Circle Diameter
mm
Bolt Hole Diameter
mm
Baffle Cutout Diameter
mm
Overall Depth
mm
Net Weight
kg
Shipping Weight
kg
Shipping Box
mm

技术参数

General Specifications
Throat Diameter
mm/inch
Rated Impedance
ohm
Power handling

Nominal²
Watts
Continuous Porgram³
Watts
Sensitivity⁴(1w/1m,on axis,on horn)
dB
Frequency Range
Hz
Minimum Impedance(Zmin)
ohm
Voice Coil Diameter
mm/inch
Voice Coil Material
Voice Coil Former
Phase Plug Material
Diaphragm Material
Flux Density
T
Magnet Material

Mounting Information
Overall Diameter
mm
Overall Depth
mm
Net Weight
kg
mounting
4xM6 holes,90°on 102

波形图

Frequency response measured in a closed enclosure of 600L in an anechoic chamber

images/upfile/ND9208w-curves.jpg

Computer predicted low frequency response

images/upfile/ND9008w-Predicted.jpg

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