BMS 18N840 8 Ohm 18″ 1200W Loudspeaker

BMS 18N840 8 Ohm 18″ 1200W Loudspeaker

General Specifications:

• Application Subwoofer
• Nominal Impendance: 8Ω
• Power handling AES noise: 1200 W (rms)
• Sensitivity (1 W / 1 m): 95 dB
• Frequency response: 20 – 200 Hz
• Voice Coil Diameter: 4″, 101.6 mm
• Voice Coil Material: Cu
• Voice Coil Winding Depth: 32 mm
• Magnet Gap Depth: 12 mm
• Basket: Cast Aluminium
• Effect. diaphragm diameter D 393 mm

Mounting Information:

• Overall Diameter: 458 mm
• Mounting Holes Diameter: 8 x 8.5 mm
• Bolt Circle Diameter: 440 mm
• Baffle cut-out Diameter: 414 mm
• Overall depth: 237 mm
• Net Weight: 9.8 kg

Thiele-Small Information:

• Resonance Frequency: ( Fs): 30.2 Hz
• DC Resistance: ( Re): 5Ω
• Mechanical Q Factor: ( Qms): 6.3
• Electrical Q Factor: ( Qes): 0.4
• Total Quality Factor: ( Qts): 0.37
• Equivalent Volume: ( Vas): 261 L
• Moving Mass: ( Mms): 0.222 kg
• Mechanical Complience: ( Cms): 0.125 mm / N
• BL Factor: ( BL): 23 Tesla m
• Effective Piston Area: ( Sd): 0.1213 m²
• Max. linear Excursion: ( Xmax): +/- 10 mm
• Voice Coil Inductance: ( Le1k): 0.87 mH
• Voice Coil Inductance: ( Le10k): 0.51 mH

Key Features:

• 95 dB Sensitivity 1 W / 1 m
• 1.200 W Power Handling
• 4″ Copper Sandwich Voice Coil for low Power Compression
• Neodymium Magnet System
• Double treated Cone for Water Protection
• Triple Aluminum demodulating Rings for ultra low Distortion
• Optimal for high Output Subwoofers
• Light Weight Carbon Fiber Diaphragm

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