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21″ Neodymium Speaker 1500w RMS Sub Bass Woofer 4Ω

Product Code: BWN21

28 Available

Ready for dispatch immediately

This 21″ Sub Speaker is ideal for use in Touring, Reggae Bars and Club Systems.

These are the ultimate delivery vehicle for 27 Hz and earth shaking sub bass.

£349.00 incVATRRP

£299.00 incVATSale Price

Bishopsound drivers are high-quality PA speakers using strong chassis. Made from professional grade materials and tested fully before shipping. British PAper Cones ensure perfect performance.

I list this 21" at 1500w to protect it from misuse. Professional users using the right cabinet cooling and control circuitry will get 2000w RMS.

This 21″ Sub Speaker is use by professionals globally to deliver sub frequencies. Full technical specifications and downloads are available with more detail provided by email simply contact me at andrew@bishopsound.com

Power RMS
1500
Musical Power
3000
Impedance (OHM)
4
Sensitivity - (1w/1m: dB)
96
Voice Coil DC Resistance (Re)
3.6
Resonance Frequency (Fs)
35.0
Mechanical Q Factor (Qms)
10.5
Electrical Q Factor (Qes)
0.45
Total Q Factor (Qts)
0.43
Mechanical Moving Mass (Mms)
335g
Mechanical Compliance (Cms)
252 um/N
Force Factor (BL)
24.3 Wb/m
Equivalent Acoustic Volume (Vas)
260.0 lt
Maximum Linear Displacement (Xmax)
±14 mm
Reference Efficiency
2.250%
Diaphragm Area (Sd)
1680 Cm2
Losses Electrical Resistance (Res)
Ω
Voice Coil Inductance
1K Hz LE m H
Magnet Material
NEO
Voice Coil Material
Winding Copper
Voice Coil Material
Former Glass Fibre
Cone Material
Paper
Surround Material
Treated Cloth
Dust Cap Material
Paper
Basket Material
Aluminium
Magnetic Gap Depth
252mm
Bolt Circle Diameter (mm)
525
Baffle Hole Diameter
505
Flange & Gasket Thickness (mm)
15
Air Volume
16 dm3
Frequency Range
Frequency Range:28 Hz - 1000 Hz
Weight
12kg
Dimensions
59cm x 59cm x 30cm

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