18 inch high power subwoofer bass PA speaker China speaker manufacturer

Heavy Duty 18 Inch Professional Audio Best Pro Speaker SubwooferProduct main features:- 18 inch PA speaker- Ideal for subwoofer- 900W RMS, 98dB- 4 inch voice coil, 220mm dual magnets   - Subwoofer is ideal for high quality professional bass reflex and bass horn systemsGeneral Specifications  Nominal Diameter4

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Heavy Duty 18 Inch Professional Audio Best Pro Speaker Subwoofer

Product main features:
- 18 inch PA speaker
- Ideal for subwoofer
- 900W RMS, 98dB
- 4 inch voice coil, 220mm dual magnets   
- Subwoofer is ideal for high quality professional bass reflex and bass horn systems

18 Inch High Power Subwoofer Bass PA Loudspeaker China Speaker Manufacturer
General Specifications  
Nominal Diameter460/18mm/inch
Rated Impedance8ohm
Nominal Power handling900Watts
Program Power1800Watts
Sensitivity(lw/lm)97dB
Frequency Range33.4-1.8KHz
Minimum Impedance(Zmin)5.6ohm
Voice Coil Diameter100/4mm/inch
Voice Coil Materialcopper 
Number of layers2 
Magnet gap depth14mm
Surround ShapeW-roll 
BasketCast Aluminum 
Magnet220*2 Ferrite  
Mounting Information  
Overall Diameter469mm
Bolt Circle Diameter448mm
Baffle Cutout Diameter424mm
Overall Depth236mm
Net Weight18.85kg
Shipping weight20.1kg
Shipping Box490*490*260mm
Thiele-Small Parameters
Resonance frequency33.435.5Hz
DC resistance5.65.6ohm
Mechanical factor9.894.99 
Electrical factor0.440.41 
Total factor0.420.38 
Mechanical compliance0.090.06mm/N
Mechanical resistance5.515.6mech-ohm
of suspension losses
Effective Moving Mass261.4349.2gr
Half-space efficiency1.431.21%
BL Factor26.532.6T.m
Equivalent Cas air load173.9115.2liters
Voice-coil inductance1.11.2mH
18 Inch High Power Subwoofer Bass PA Loudspeaker China Speaker Manufacturer

18 Inch High Power Subwoofer Bass PA Loudspeaker China Speaker Manufacturer
18 Inch High Power Subwoofer Bass PA Loudspeaker China Speaker Manufacturer
18 Inch High Power Subwoofer Bass PA Loudspeaker China Speaker Manufacturer
18 Inch High Power Subwoofer Bass PA Loudspeaker China Speaker Manufacturer

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