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NDi4409
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NDi4409
NDi4409
1. 1" exit throat
2. 100 W continuous program power handling
3. 106 dB sensitivity 1w/1m
4. 800Hz~19kHz frequency range
5. Polyimide diaphragm
6. 44mm(1.7") edgewound aluminum voice coi
7. Neodymium magnet structure
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Product Comparison
Technical Specifications
General Specifications
Nominal Diameter
Hz
Rated Impedance
ohm
Nominal Power handling
1
Watts
Program Power
2
Watts
Sensitivity(lw/lm)
3
dB
Frequency Range
4
Hz
Minimum Impedance(Zmin)
ohm
Voice Coil Diameter
mm/inch
Voice Coil Material
Former Material
Voice Coil Winding Depth
mm
Number of layers
Magnet gap depth
mm
Basket
Cast Aluminum
Flux Density
T
Magnet Outer Diameter/Wgt
mm/oz
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
m
Half-space efficiency
Eff
%
BL Factor
BL
T.m
Equivalent Cas air load
Vas
liters
Effective piston area
Sd
m^2
Max. linear excursion
6
Xmax
mm
Voice coil inductance
Le1K
mH
Efficiency Bandwidth Product
EBP
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
Technical Specifications
LF General Specifications
Nominal Diameter
mm/inch
Rated Impedance
ohm
Nominal Power handling
1
Watts
Program Power
2
Sensitivity(lw/lm)
3
Frequency Range
4
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)
Nominal
2
Watts
Continuous Porgram
3
Watts
Sensitivity
3
(lw/lm,on axis)
dB
Frequency Range
4
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 excursion
5
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
Technical Specifications
General Specifications
Throat Diameter
25.4/1
mm/inch
Rated Impedance
8
ohm
Power handling
Nominal
2
50
Watts
Continuous Porgram
3
100
Watts
Sensitivity
4
(1w/1m,on axis,on horn)
106
dB
Frequency Range
800 ~ 19k
Hz
Minimum Impedance(Zmin)
7.5
ohm
Voice Coil Diameter
44/1.7
mm/inch
Voice Coil Material
Edgewound Aluminum
Voice Coil Former
Kapton
Phase Plug Material
Composite
Diaphragm Material
Polyimide
Flux Density
1.7
T
Magnet Material
Neodyminum
Mounting Information
Overall Diameter
85
mm
Overall Depth
46
mm
Net Weight
0.9
kg
mounting
2xM6 holes,
180° on 76mm diamete
Curves
Frequency respons curve measured in an anechoic ch
Impedance magnitude curve measured in free air
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