21″ B&C Subwoofer SW115 4Ω|8Ω
Key Features
- 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 and linear excursion
- Double silicone spider with optimized compliance
- Ventilated voice coil gap for reduced power compression
- Aluminium demodulating ring for very low distortion
Teirautis telefonu
+37069873838
darius@combo.lt
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Specifications
Nominal Diameter: 530 mm (21 in)
Minimum Impedance: 4.2 Ω
Continuous Power Handling: 3400 W
Frequency Range: 33 Hz – 1000 Hz
Winding Material: Copper
Winding Depth: 34 mm (1.34 in)
Flux Density: 1.15 T
Nominal Impedance: 4 Ω
Nominal Power Handling: 1700 W
Sensitivity: 97 dB
Voice Coil Diameter: 116 mm (4.5 in)
Former Material: Glass Fibre
Magnetic Gap Depth: 14 mm (0.55 in)
Woofer Cone Treatment: TWP Waterproof Both Sides
Parameters
Fs: 33 Hz
Qes: 0.37
Qts: 0.36
Sd: 1680 cm² (260.4 in²)
Xmax: 14 mm
Mms: 335 g
Le: 1.7 mH
Re: 3.6 Ω
Qms: 7.7
Vas: 278 dm³ (9.7 ft³)
η₀: 2.6 %
Xvar: 15 mm
Bl: 24.8 Tm
EBP: 89 Hz
Design
Surround Shape: Triple Roll
Magnet Material: Neodymium Inside Slug
Pole Design: T-Pole
Recommended Enclosure: 250 dm³ (8.83 ft³)
Cone Shape: Radial
Spider: Double Silicone
Woofer Cone Treatment: TWP Waterproof Both Sides
Recommended Tuning: 32 Hz
Mounting and Shipping Info
Overall Diameter: 547 mm (21.5 in)
Baffle Cutout Diameter: 503 mm (19.8 in)
Flange and Gasket Thickness: 14 mm (0.53 in)
Net Weight: 14 kg (30.8 lb)
Shipping Weight: 16.3 kg (35.94 lb)
Bolt Circle Diameter: 527 mm (20.7 in)
Depth: 249 mm (9.8 in)
Air Volume Occupied by Driver: 15 dm³ (0.53 ft³)
Shipping Units: 1 pcs
Shipping Box: 570x570x320 mm (22.44×22.44×12.60 in)
Service Kit
Recone Kit: RCK21SW1154
Cone
Gasket
Centering Shims
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