BMS 18N840 4 Ohm 18″ 1200W Loudspeaker

BMS 18N840 4 Ohm 18″ 1200W Loudspeaker

General Specifications:

• Product type Loudspeaker Chassis
• Type PA
• Nominal Diameter 18 “, 457.2 mm
• Voice Coil 4 “, 101.6 mm
• Overall diameter 458 mm
• Pitch Circle Diameter 440 mm
• Section Diameter 414 mm
• Mounting holes 8
• Diameter of fixing holes 8.5 mm
• Depth 237 mm
• Nominal Impedance 4Ω
• Nominal Load Capacity 1200 W (rms)
• maximum rated load 2400 W
• Sensitivity (1 W / 1 m) 95 dB
• Frequency response 20 – 200 Hz
• Voice Coil Material copper
• Magnet Neodymium
• Depth of the magnetic gap 12 mm

Thiele-Small Parameters:

• Fs (Resonance Frequency) 28.5 Hz
• Re (DC resistance) 5Ω
• Qms (mechanical quality) 6.66
• Le (inductance of the voice coil) 0.87 mH
• Qes (electrical quality) 0.33
• Qts (overall quality) 0.32
• Vas (equivalent volume) 288
• Mms (moving mass) 22.2 g
• BL (power factor) 24.4 T/m
• Xmax (maximum displacement) ±10 mm
• Cms (elasticity of the suspension) 0.14 mm/N
• Sd (membrane area) 1213 cm²
• Weight 9,8 kg

Why Choose Lean Business Audio?

50 years of experience of designing, building and supplying Home, Car and Professional Audio.

Huge stocks of leading loudspeakers and audio brands
KEF, Celestion, Eminence, WGS, Montage, BMS Speakers, Faital Pro, Eighteen Sound, Ciare

Low Worldwide shipping rates.
Free Delivery on selected brands with the UK.
Price matching.

For more information please contact us at: +44(0)1473 744089
Or Email us at: sales@lean-business.co.uk