B&C 21SW152-8 21" Neodymium Subwoofer 8-Ohm DJ Live Sound 4000W Bass Sub.

Item Description

B&C 21SW152 21" Professional Neodymium Subwoofer Speaker 2000W 8-Ohm

Overview

The B&C 21SW152 is an advanced, lightweight subwoofer driver featuring 2,000 watts RMS power handling, a 1.18" long/6.0" 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 21SW152's pole piece reduces distortion.

Features:

  • Lightweight but powerful FEA-optimized neodymium magnet

  • Extremely high BL factor and Xmax for outstanding LF output

  • 15 mm Xmax, 60 mm peak-to-peak excursion before damage

  • 6.0" 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 spiderProduct Specifications

  • Nominal Diameter 21" Power Handling (RMS) 2,000 Watts

  • Power Handling (max) 4000 Watts Impedance 8 ohms

  • Frequency Response 30 to 1,000 Hz Sensitivity 96 dB 1W/1m

  • Voice Coil Diameter 6"

Thiele-Small Parameters

Resonant Frequency (Fs)
  • 32 Hz
DC Resistance (Re)
  • 3 ohms
Voice Coil Inductance (Le)
  • 1.5 mH
Mechanical Q (Qms)
  • 7
Electromagnetic Q (Qes)
  • 0.31
Total Q (Qts)
  • 0.3
Compliance Equivalent Volume (Vas)
  • 7 ft.³
BL Product (BL)
  • 32.5 Tm
Diaphragm Mass Inc. Airload (Mms)
  • 460g
Maximum Linear Excursion (Xmax)
  • 15 mm
Surface Area of Cone (Sd)
  • 1680 cm²

Materials of Construction

Cone Material
  • Coated Paper
Surround Material
  • Cloth
Voice Coil Wire Material
  • Copper
Voice Coil Former 
  • Fiberglass
Basket / Frame Material
  • Cast Aluminum
Magnet Material
  • Neodymium

 Mounting Information

Overall Outside Diameter
  • 21.5"
Baffle Cutout Diameter
  • 20"
Depth
  • 10.3"
Bolt Circle Diameter
  • 20.7"
# Mounting Holes
  • 8

About Us

About Us

VIP Pro Audio & DJ Equipment has been THE destination for DJ entertainment and lighting industry professionals for over 25 years, combining knowledge and experience with our highly specialized group of professionals to bring our loyal customer base the right, low-priced solution for every situation. From PA systems, turntables, and rack gear to cables, stands and subwoofers, VIP Pro Audio has all facets of the market covered!

State-of-the-art equipment and the creative expertise that comes with selling products specifically designed for our customers? sound and lighting needs, we at VIP Pro Audio are never satisfied with the norm. From DJs and producers to rental contractors and lighting designers, we strive to provide our clients with innovative design ideas and the highest quality components at a low, competitive price.

Payment

We Accept: PayPal, Visa, Master Card, Discover, e-Check, PayPal Credit

Sales Tax: 8.875% if shipped to NY

Sales tax will not be charged unless your order is being shipped or picked up in NY.

Ship To locations: The United States, Canada, Worldwide

Most items will be shipped within 24 hours of receiving payment

Shipping

Nearly every order received by 3PM Eastern ships the SAME DAY!FREE shipping to lower 48 states.

- Our central location reaches most states in 1-4 business days

- 99.95% warehouse accuracy

- Expedited shipping available

We are proud to provide some of the fastest turnaround times on eBay. We use FedEx or UPS for most items, and USPS for smaller items. Residents of Hawaii, Alaska, and Puerto Rico should contact us for a shipping quote.

Returns

    

Exchanges

You must e-mail us (vipproaudio@gmail.com) and receive return instructions if you receive a defective item
The item must be in the original packaging with all the accessories included.  We reserve the right to have the unit exchanged or repaired (up to manufacture).  Our warranty will not cover blown voice coils, or speakers with punctured surrounds.  This is considered physical damage and is not covered by a manufacturer warranty, or by our warranty.  No physical damage goods are warranted. DOA goods (physical) need to be claimed by shipping carrier.

Return for Refund


You must e-mail us vipproaudio@gmail.com and receive an RMA number, before returning. A 15% re-stocking fee will be applied in order to return an item for a refund.  Shipping costs are never refundable, Item must not be used, and must be returned in original packaging with all accessories, within 7 days of the time you receive the item. (Items sold with "free shipping promotions" will have the shipping cost deducted prior to the 15% restocking fee)

For all returns, customer is responsible to ship item back (unless it is VIP fault or error)

Buy w/ Confidence

VIP Is The Place To Be...

- The Largest Selection Of Pro Audio, DJ & Lighting Equipment Unde One Roof.

- A Tradition Of Excellence Since 1988

- Celebrating 30 Years Of Commitment To Quality & Service.

- Proud To Be Most Awarded & Top Rated Dealer

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