Loudspeaker Parts

The B&C Speakers 21SW150 4 Ohm Recone Kit restores the 21SW150's power and deep bass with a faithful, long-lasting repair.

ARTICLE N° 111577
The B&C Speakers 21SW150 4 Ohm Recone Kit is the essential tool for restoring the original performance of the 21SW150 loudspeaker. This kit includes all the replacement parts designed to integrate perfectly with the existing motor: TWP waterproof radial cone, triple-roll suspension, double silicone spider and 150 mm copper coil mounted on a fibreglass support. Each component is made to B&C's exacting specifications to ensure a long-lasting, reliable repair.

With a rated power of 1500 W AES and a continuous capacity of 3000 W, the kit ensures energetic and accurate reproduction of low frequencies. The frequency response of 30 Hz to 1000 Hz combined with a sensitivity of 95 dB ensures a powerful and defined reproduction, even in large PA set-ups.

Designed for high-power subwoofers, this kit gives the 21SW150 its full effectiveness. Its oversized 150 mm voice coil and 15 mm linear excursion ensure remarkable stability in the face of the most demanding SPL levels. High-quality components guarantee not only performance but also the longevity of the system.

This kit is aimed at sound contractors, integrators and professional users who want to extend the life of their loudspeakers while retaining the reliability and acoustic qualities of the original loudspeaker. It's a cost-effective, high-performance solution to a complete replacement.
  • B&C Speakers 21SW150 4 Ohm Recone Kit
  • Complete speaker repair kit
  • Compatible with: model 21SW150, 4 Ω
  • Components included: waterproof TWP radial cone, triple roll suspension, double silicone spider, 150mm copper voice coil on fibreglass backing, foam gasket, shims, heat shrink tubing
  • Nominal impedance: 4 Ω
  • Resonance frequency: 29 Hz
  • Frequency response: 30 Hz - 1000 Hz
  • Sensitivity: 95 dB
  • Rated power : 1500 W
  • Maximum power: 3000 W
  • Coil diameter: 6 inches (150 mm)
  • Linear excursion (Xmax): 15 mm
  • Maximum excursion (Xvar): 16 mm
  • Kit reference: RCK21SW1504
  • Sales unit: 1 Kit
  • ATTENTION: Glue not included
B&C Speakers - 21SW150 4 Ohm Recone Kit
B&C Speakers - 21SW150 4 Ohm Recone Kit
180,83 € excl VAT
Out of stock
Contact us for delivery times
Guarantee 3  years
Jessie
Jessie
Louis
Louis
Do you need help?

Spotlight on