B&C 21SW115 21-Inch Speaker Driver - 1700W RMS, 4 Ohm, Spring Terminals

Name: B&C 21SW115 21-Inch Speaker Driver - 1700W RMS, 4 Ohm, Spring Terminals
Brand: B&C
SKU: JP101898
Price: 509.3 GBP
Availability: InStock

Price Each £424.42 (£509.30 Including VAT at 20%)

REF: JP101898

Quantity:

B&C 21SW115 21-Inch Speaker Driver - 1700W RMS, 4 Ohm, Spring Terminals

The B&C 21SW115 21-Inch Speaker Driver boasts legendary B&C technology made with their famously critical quality control, allowing loudspeaker designs with appropriately scaled performance.

Recone Kit: JP101964 (B&C RCK21SW1154)

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B&C 21SW115 21-Inch Speaker Driver Features

- 3400 W continuous program power capacity
- 116 mm (4.5 inch) 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

B&C 21SW115 21-Inch Speaker Driver Specifications

- Nominal Basket Diameter: 530 mm (21.0 inches)
- Nominal Impedance: 4 Ω
- Minimum Impedance: 4.2 Ω
- Nominal Power Handling: 1700 W
- Continuous Power Handling: 3400 W
- Frequency Response: 33 - 1000 Hz
- Sensitivity: 97.0 dB
- Voice Coil Diameter: 116 mm (4.5 inches)
- Winding Material: Copper
- Former Material: Glass Fibre
- Winding Depth: 34 mm (1.34 inches)
- Magnetic Gap Depth: 14.0 mm (0.55 inches)
- Flux Density: 1.15 T
- Connection: Spring Terminals

Design:
- Surround shape: Triple Roll
- Cone shape: Radial
- Magnet material: Neodymium Inside Slug
- Spider: Double Silicone
- Pole design: T-Pole
- Waterproofing Treatment: TWP Waterproof Both Sides
- Recommended enclosure: 250.0 dm³
- Recommended tuning: 32 Hz

Parameters:
- Fs: 33 Hz
- Re: 3.6 Ω
- Qes: 0.37
- Qms: 7.7
- Qts: 0.36
- Vas: 278.0 dm³
- Sd: 1680 cm²
- η₀: 2.6 %
- Xmax: ± 14.0 mm
- Xvar: ± 15.0 mm
- Mms: 335.0 g
- Bl: 24.8 Txm
- Le: 1.7 mH
- EBP: 89 Hz

Physical:
- Overall diameter: 547 mm (21.5 inches)
- Bolt circle diameter: 527 mm (20.7 inches)
- Baffle cutout diameter: 503 mm (19.8 inches)
- Depth: 249 mm (9.8 inches)
- Flange and gasket thickness: 14 mm (0.53 inches)
- Air volume occupied by driver: 15.0 dm³
- Net weight: 14.0 kg

Further Product Information Below

B & C 21SW115 (4 Ohm) Data Sheet (PDF)

B & C 21SW115 Technical Drawing (PDF)

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B&C 21SW115 21-Inch Speaker Driver - 1700W RMS, 4 Ohm, Spring Terminals

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