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B&C 18SW115 - 4 ohm - Woofer

Details
Additional Information

Nominal Diameter	460 mm (18.0 in)
Nominal Impedance	4 Ω
Minimum Impedance	4.1 Ω
Nominal Power Handling¹	1700 W
Continuous Power Handling²	3400 W
Sensitivity³	96.0 dB
Frequency Range	35 - 1500 Hz
Voice Coil Diameter	116 mm (4.5 in)
Winding Material	Copper
Former Material	Glass Fibre
Winding Depth	34 mm (1.33 in)
Magnetic Gap Depth	14 mm (0.55 in)
Flux Density	1.16 T
Design
Surround Shape	Triple Roll
Cone Shape	Radial
Magnet Material	Neodymium Inside Slug
Spider	Double Silicone
Pole Design	T-Pole
Woofer Cone Treatment	TWP Waterproof Both Sides
Recommended Enclosure	150.0 dm³ (5.3 ft³)
Recommended Tuning	35 Hz
Parameters⁴
Resonance Frequency	34 Hz
Re	3.3 Ω
Qes	0.31
Qms	6.1
Qts	0.3
Vas	149.1 dm³ (5.27 ft³)
Sd	1210.0 cm² (187.6 in²)
η₀	1.8 %
Xmax	14.0 mm
Xvar	16.0 mm
Mms	304 g
Bl	26.0 Txm
Le	1.36 mH
EBP	109 Hz
Mounting And Shipping Info
Overall Diameter	460 mm (18.0 in)
Bolt Circle Diameter	443 mm (17.44 in)
Baffle Cutout Diameter	422.0 mm (16.6 in)
Depth	242 mm (9.5 in)
Flange and Gasket Thickness	16 mm (0.62 in)
Air Volume Occupied by Driver	10.5 dm³ (0.37 ft³)
Net Weight	11.9 kg (26.2 lb)
Shipping Units	1
Shipping Weight	13.9 kg (30.6 lb)

Link to OEM Product Page

B&C 18SW115 - 4 ohm - Woofer

Design

Parameters4

Mounting And Shipping Info

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Parameters⁴