B&C 21DS115-8 21" Professional Neodymium Subwoofer Driver, 8 Ohms

Brand New in B&C factory-sealed boxes, ready to ship!

The B&C 21DS115 21" subwoofer represents the latest advancement in high output design. Utilizing a novel, longer four-layer aluminum voice coil for increased gap energy, heightened sensitivity, reduced distortion, and improved overall performance. The 21DS115 boasts a 36mm long, 4.5" diameter (116mm) CCAW voice coil and a 1,700watt AES (continuous) power rating, 99dB sensitivity, and over 15mm of linear excursion (Klippel verified). This high-performance subwoofer represents a major upgrade from comparable models in B&C's range and approaches the performance of their 6" voice coil options.

Features

• 3400 W continuous program power capacity
• 116 mm (4.5 in) four layer aluminum voice coil
• 30 - 1000 Hz response
• 99 dB sensitivity
• Double silicone spider with optimized compliance
• Ventilated voice coil gap for reduced power compression
• Aluminium demodulating ring for very low distortion

Specifications

• Nominal Diameter: 530 mm (21.0 in)
• Nominal Impedance: 8 Ohm
• Minimum Impedance: 6.5 Ohm
• Nominal Power Handling: 1700 W
• Continuous Power Handling: 3400 W
• Sensitivity: 399.0 dB
• Frequency Range: 30 - 1000 Hz
• Voice Coil Diameter: 116 mm (4.5 in)
• Winding Material: Aluminium
• Former Material: Glass Fibre
• Winding Depth: 36.0 mm (1.42 in)
• Magnetic Gap Depth: 14.0 mm (0.55 in)
• Flux Density: 0.8 T

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: 130.0 dm3 (4.59 ft3)
• Recommended Tuning: 40 Hz

Mounting and Shipping Info

• Overall Diameter: 547 mm (21.54 in)
• Bolt Circle Diameter: 527 mm (20.7 in)
• Baffle Cutout Diameter: 508.0 mm (20.0 in)
• Depth: 255 mm (10.04 in)
• Flange and Gasket Thickness: 13 mm (0.51 in)
• Air Volume Occupied by Horn: 15.0 dm3 (0.53 ft3)
• Net Weight: 14.8 kg (32.63 lb)
• Shipping Units: 1
• Shipping Weight: 17.1 kg (37.7 lb)
• Shipping Box: 570x570x320 mm (22.44x22.44x12.60 in)

Please contact us with any questions you may have. We are more than happy to help!


Fathom Sound | Sacramento, CA USA



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