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B AND C
21SW115-4 B AND C 21" Professional Neodymium Subwoofer 4 Ohm NEW
21SW115-4 B AND C 21" Professional Neodymium Subwoofer 4 Ohm NEW
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$699.00
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$699.00
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BRAND NEW
21SW115-4 B AND C
21" Professional Neodymium Subwoofer 4 Ohm
- The B&C 21SW115-4 is an advanced, lightweight subwoofer driver featuring 1,700 watts RMS power handling, a 1.34" long/4.5" diameter copper voice coil with very high thermal capability, and a ventilated neodymium magnet assembly that provides low power compression. An aluminum demodulation ring fitted to the 21SW115-4's pole piece reduces distortion.
- Lightweight but powerful FEA-optimized neodymium magnet
- Extremely high BL factor and Xmax for outstanding LF output
- 14 mm Xmax, 60 mm peak-to-peak excursion before damage
- 4.5" split winding copper voice coil on fiberglass former
- Ventilated voice coil gap reduces power compression
- Aluminum demodulation ring on pole piece reduces distortion
- Double silicone spider
- Shape Cylindrical
- Product type Cone driver
- Dimensional category 21 inch
- Front Shape Cylindrical
- Magnet type Neodymium
- Basket material Aluminum
- Nominal impedance 4 ohm
- Zmin 4.2 ohm
- Nominal power handling 1700 W
- Max power handling 3400 W
- Sensitivity 97 dB
- Frequency response 33-1000 Hz
- Voice coil diameter 4.5 inch
- External diameter 547 mm
- Mounting diameter 503 mm
- Depth after front 235 mm
- Front thickness 14 mm
- Fs 33 Hz
- Re 3.6 ohm
- Qes 0.37
- Qms 7.7
- Qts 0.36
- Vas 278 L
- Sd 1680 cm²
- Efficiency 2.6 %
- Xmax 14 mm
- Xvar 15 mm
- Mms 335 gr
- BL 24.8 T.m
- Le 1.7 mH
- EBP 89
- Demodulation ring Yes
- Form suspension Triple roll
- Form membrane Radial
- Spider Double
- Spider material Silicone polycotton
- Recommended load 250 L (tuned ar 32 Hz)
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