B & C 21SW115 - 21" 1700W 8 Ohm

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£478.64

B & C 21SW115 - 21" 1700W 8 Ohm

£478.64

B & C 21SW115 - 21" 1700W 8 Ohm
Specifications:

Nominal diameter 530 mm (21.0 in)
Nominal impedance 8 Ω
Nominal power handling * 1700 W
Continuous power handling * 3400 W
Sensitivity (1W/1m) * 97.0 dB
Frequency range 33 - 1000 Hz
Voice coil diameter 116 mm (4.5 in)
Winding material Copper
Former material Glass Fibre
Winding depth 34 mm (1.34 in)
Magnetic gap depth 14 mm (0.55 in)

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 250.0 dm3 (8.83 ft3)
Recommended tuning 32 Hz

Parameters

Fs 33 Hz
Vas 278.0 dm3 (9.7 ft3)
Sd 1680.0 cm2 (260.4 in2)
Xmax 14.0 mm
Xvar 15.0 mm
Mms 335 g

Mounting And Shipping Info

Overall diameter 547 mm (21.5 in)
Bolt circle diameter 527 mm (20.7 in)
Baffle cutout diameter 508.0 mm (20.0 in)
Depth 250 mm (9.9 in)
Flange and gasket thickness 14 mm (0.53 in)
Air volume occupied by driver 15.0 dm3 (0.53 ft3)
Net weight 14.0 kg (30.8 lb)
Shipping units 1
Shipping weight 16.4 kg (36.1 lb)
Shipping box 590x590x300 mm (23.1x23.1x11.8 in)