ITEM: 🍀 NEW! B&C 21DS115-4 21" Neodymium Subwoofer 3400W Program 4.5" Coil 4-Ohm!

Up for auction is my 🍀 NEW! B&C 21DS115-4 21" Neodymium Subwoofer 3400W Program 4.5" Coil 4-Ohm WORLD SHIP! PLEASE NOTE: This auction is for 1 subwoofer and we have 2 available. This B&C 21DS115-4 21" Neodymium Subwoofer 3400W Program 4.5" Coil 4-Ohm is BRAND NEW AND NEVER USED. Comes in open box. This subwoofer was a display unit, but never connected or used. Full 30-day warranty that subwoofer works as intended. ALSO FOR SECURITY PURPOSES, WE HAVE A SECURITY DECAL ON THE SPEAKER TO IDENTIFY OWNERSHIP TO PREVENT FRAUDULENT RETURNS. No returns will be honored without the security decal and if tampered or removed, it will void all warranties. Your bid is an acknowledgement to this disclosure. I am the original owner! Kept in a climate-controlled, ventilated, and virtually dust free, media room. I travel as a consultant so I have not had the opportunity to use this system. Comes from a smoke-free, professional home and will be packed very carefully. Please email me if you have any questions prior to your bid. Comes with what you see in the pictures only. Serial Tag Number: N/A.

INTERNATIONAL BIDDERS: Bid with confidence! I will ship internationally BUT, however, you will bear all responsibilities during transport and pay shipping duties/taxes and also insurance/tracking number. You must arrange with me first and email me for shipping cost to your country. It will be packed like gold and very secured. Please provide your countries postal code and I will give you quote. Do not bid unless you hear from me first. ALSO, YOU MUST HAVE A CONFIRMED PAYPAL ACCOUNT.

The B&C 21DS115-4 21" Neodymium Subwoofer is a high-output professional audio driver designed for exceptional low-frequency reproduction. It is known for its high efficiency, power handling, and low distortion capabilities.

Product Identifiers
Brand: B&C
Product Identifier: 21DS115-4
Barcode: 264192231

Key Feature:

Power Handling: It has a 3400 W continuous program power capacity.

Size: A 21-inch diameter subwoofer.

Magnet Type: Utilizes a lightweight, powerful FEA-optimized neodymium magnet for a high force factor and linear excursion.

Voice Coil: Features a 116 mm (4.5 in) four-layer aluminum voice coil.

Performance: It offers a frequency response from 30 to 1000 Hz with 99 dB sensitivity.

Impedance: The nominal impedance is 4 ohms.

B&C 21DS115-4

- Lightweight but powerful FEA-optimized neodymium magnet

- Extremely high BL factor and Xmax for outstanding LF output

- 14 mm Xmax, 60 mm peak-to-peak excursion before damage

- 4.5" 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 spider

- Nominal diameter: 530 mm (21.0 in)

- Nominal impedance: 4 Ohm

- Minimum impedance: 4.2 Ohm

- Nominal power handling: 1700 W

- Continuous power handling: 3400 W

- Sensitivity (1W/1m): 97.0 dB

- Frequency range: 33 - 1000 Hz

- Voice coil diameter: 116 mm (4.5 in)

- Winding material: Copper

- Former material: Glass Fibre

- Winding depth: 34 mm (1.34 in)

-Magnetic gap depth: 14 mm (0.55 in)

- Flux density: 1.15

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: 250.0 dm3 (8.83 ft3)

- Recommended tuning: 32 Hz

Parameters

- Fs: 33 Hz

- Re: 3.6 ?

- Qes: 0.37

- Qms: 7.7

- Qts: 0.36

- Vas: 278.0 dm3 (9.7 ft3)

- Sd: 1680.0 cm2 (260.4 in2)

- o:: 2.6 %

- Xmax: 14.0 mm

- Xvar: 15.0 mm

- Mms: 335 g

- Bl: 24.8 Txm

- Le: 1.7 mH

- EBP: 89 Hz

Mounting Information

- Overall diameter: 547 mm (21.5 in)

-Bolt circle diameter: 527 mm (20.7 in)

- Baffle cutout diameter: 508.0 mm (20.0 in)

- Depth: 250 mm (9.9 in)

- Flange and gasket thickness: 14 mm (0.53 in)

- Air volume occupied by driver: 15.0 dm3 (0.53 ft3)

- Net weight: 14.0 kg (30.8 lb)

- Shipping units: 1

- Shipping weight: 16.4 kg (36.1 lb)

- Shipping box: 590x590x300 mm (23.1x23.1x11.8 in)

PLEASE SEE MY OTHER AUCTIONS FOR GREAT DEALS ON VINTAGE ELECTRONIC PIECES

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Shipping Information

Please note, shipping costs will be slightly more for AK and HI and/or other US territories. I provide buyers with the most affordable shipping and handling rates using USPS Priority, USPS Parcel Post, Fed Ex Ground or UPS Ground. For bigger items, I will quote shipping based on cheapest method. International shipping is ok; however, buyer will pay higher international shipping fees. I can ship items overnight, but it must be prearranged with me and shipping costs will be adjusted accordingly. Insurance and/or tracking number must be requested unless otherwise noted.

Payment Information

Accepted form of payment: Paypal (preferred), Other - Please contact seller for options.

Customer Service Policy

Payment made via Paypal.com ships within 48 hours.
Insurance and Delivery Receipt extra and ON REQUEST OF BUYER. Payment sent via US Mail must be received in 7 business days.
I will ship and pack with care and according to the nature of each item. Items lost or damage may be entitled to insurance claim via shipping carrier only -- NOT via cjbrase (seller)
Please note that all electronics have a security seal to prevent from internal tampering. Once tampered with, all expressed warranties in any stated are no longer valid and will be strictly enforced.

Terms of Sale

*** IMPORTANT: PLEASE READ CAREFULLY ***

ALL ITEMS ARE SOLD "AS IS." NO WARRANTIES. IT IS UP TO YOU, THE BUYER, TO FULLY EVALUATE THIS ITEM BASED ON YOUR PERSONAL STANDARDS PRIOR TO YOUR BID. YOU MUST ALSO ASK KEY SPECIFIC QUESTIONS PRIOR TO BIDDING IF YOU ARE UNCERTAIN OR NEED MORE INFORMATION ON AN ITEM. I WILL ANSWER YOUR QUESTIONS TO THE BEST OF MY ABILITY.

I DISCLOSE THE BEST INFORMATION ON THE ITEM (ALBEIT MY PERSONAL KNOWLEDGE) REGARDLESS OF OVERALL CONDITION UPON BUYERS RECEIPT OF ITEMS. I DO NOT CLAIM TO BE AN EXPERT OF KNOWLEDGE ON ANY GIVEN ITEM BUT SELLING ON BEHALF OF MYSELF OR OTHERS.

NEGATIVE FEEDBACK WILL BE POSTED IF YOU DO NOT HONOR BID.

REMEMBER: Buyer assumes ALL responsibility upon shipment.

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