B AND C 21SW115-8

21-IN Low Distortion 3400 Watt Woofer 8 Ohms
SKU: 21SW115-8
Availability: 13 in stock
Manufacturer: B AND C

3400 W continuous program power capacity
116 mm (4.5 in) split winding copper voice coil
33 - 1000 Hz response
97 dB sensitivity
60 mm peak-to-peak excursion before damage
Neodymium magnet allows a very high force factor & linear excursion
Double silicone spider w/optimized compliance
Ventilated voice coil gap for reduced power compression
Aluminium demodulating ring for very low distortion
Nominal Diameter
530MM 21IN
8 ohm
Nominal Impedance
3400 W
Continuous Power Handling
1700 W
Nominal Power Handling (AES)
97 dB
Sensitivity (1W/1m)
33 - 1000 Hz
Frequency Range
116 mm (4.5 in)
Voice Coil Diameter
Copper
Winding Material
Glass Fibre
Former Material
Neodymium Ring
Magnet Material
34 mm (1.34 in)
Winding Depth
14 mm (0.55 in)
Magnetic Gap Depth
1.15 T
Flux Density
Design
Triple Roll
Surround Shape
Radial
Cone Shape
Neodymium Ring
Magnet Type
Double Silicone
Spider
T-Pole
Pole Design
250 dm3 (8.83 ft3)
Recommended enclosure volume
32 Hz
Recommended tuning frequency
Parameters
33 Hz
Fs
3.3 ohm
Re
0.37
Qes
7.7
Qms
0.36
Qts
278 dm3 (9.70 ft3)
Vas
1680 cm2 (260.40 in2)
Sd
2.6 %
η0
+/- 14 mm
Xmax
+/- 15 mm
Xvar
335 g
Mms
24.8 Txm
Bl
1.7 mH
Le
89 Hz
EBP
Mounting & Shipping info
547 mm (21.5 in)
Overall Diameter
527 mm (20.7 in)
Bolt Circle Diameter
508 mm (20 in)
Baffle Cutout Diameter
250 mm (9.9 in)
Depth
16 mm (0.62 in)
Flange & Gasket Thickness
15 dm3 (0.53 ft3)
Air volume occupied by driver
14 kg (30.8 lb)
Net Weight
16.4 kg (36.1 lb)
Shipping Weight
590x590x300 mm (23.1x23.1x11.8 in)
Shipping Box