Welcome to the ds18 ebay store
DS18 is a leading manufacturer in Mobile, Marine & Home Electronic equipment
based in Miami, FL. With a "Never-Stop-Innovating" attitude, we create the
most state of the art products in the market.
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Black Diamond 15" High Excursion Subwoofer with Carbon Fiber Cone 3500W Rms


Item Description

Black Diamond DIA-CARBON15.1D – 15" High Excursion Subwoofer with Carbon Fiber Cone | 3500W RMS / 7000W Peak | Dual 1-Ohm Voice Coil | Deep Bass for Car Audio & SPL Builds


MASSIVE BASS POWER – Push your system to the limit with 3500W RMS / 7000W Peak Power. The DIA-CARBON15.1D delivers extreme low-end performance, perfect for SPL builds and high-output car audio systems.

REAL CARBON FIBER CONE & DUST CAP – Built with premium carbon fiber for faster response, reduced distortion, and lightweight durability. This sub stays sharp and clean, even at full excursion.

TRUE HIGH-EXCURSION PERFORMANCE – Features an Xmax of 22.5mm, allowing deeper cone movement for earth-shaking bass and low-end precision that you can feel in every beat.

3.5” CCAR ALUMINUM VOICE COIL – Oversized and heat-tolerant for consistent, distortion-free output during long, loud sessions. Advanced cooling keeps your sub performing under pressure.

MASSIVE MOTOR STRUCTURE – Equipped with a 425 oz ferrite magnet to create a powerful magnetic field for better bass control and tight SPL performance.

General Specifications

Nominal Diameter: 15" / 381mm
Nominal Impedance: 1 + 1 Ohms
RMS Power Handling: 3500W
MAX Power Handling: 7000W
Sensitivity (1w/1m): 84dB
Frequency Response: 10Hz – 200Hz
Recommended Low-Pass Crossover: 60Hz

Features

Improved Heat Dissipation: Yes
Cone Shape: Conic
Speaker Terminals: 4-Gauge Push Terminals

Motor Structure

Voice Coil Diameter: 3.5" / 89mm
Voice Coil Former Material: Aluminum
Winding Material: CCAR
Cone Material: Carbon Fiber
Dust Cap Material: Carbon Fiber
Dust Cap Size: 7" / 180mm
Surround Material: Foam
Spider Diameter: 9" / 228mm
Leads Connection Type: Spider Crossed
Basket Material: Aluminum
Basket Color / Finish: Aluminum / Black
Magnet Material: Ferrite
Magnet Weight: 425 Oz

Thiele/Small Parameters

Equivalent Volume (Vas): 34.26L / 1.2009ft³
Excursion (Xmax, one way): 22.5mm
Free Air Resonance (Fs): 38Hz
Mechanical Q (Qms): 5.224
Electrical Q (Qes): 1.083
Total Q (Qts): 0.89
Moving Mass (Mms): 442.7g
Compliance (Cms): 39.72mm/N
BL Factor (Bl): 13.96
Voice Coil Inductance (Le): 0.88mH
Diaphragm Area (Sd): 779.3cm²
DC Resistance (Re): 1 + 1 Ohms
Efficiency Bandwidth Product (EBP): 35

Recommended Enclosures

Sealed Internal Volume: 70L / 2.5ft³
Sealed Box Response (F3): 35Hz
Ported Internal Volume: 113.2L / 4ft³
Square Port Dimensions (W x H x L): 3" x 15" x 22.4"
Port Tuning Frequency (Fb): 32Hz
Ported Box Response (F3): 25Hz

Physical Measurements

Overall Diameter: 15.5" / 394mm
Overall Depth: 12.75" / 324mm
Front Baffle Cutout Diameter: 14.15" / 360mm
Mounting Depth: 10.9" / 277mm
Motor Diameter: 9" / 230mm

About Us

About us



DS18 is a leading electronics manufacturer specializing in
Mobile, Marine & Home Electronic equipment with its headquarters in Miami,
FL, USA. DS18 was created and developed by a team of young and determined
professionals who understand the needs in today's audio industry.



Offering several series of amplifiers, speakers, subwoofers,
tweeters, midranges, cables, accessories, component sets and much more DS18
guarantees to satisfy customers seeking a wide assortment of products.



  



WHO WE ARE?



The DS18 brand stands out from other lines in its
progressive design and never-stop-innovating attitude. Our team takes your
feedback as a command to constantly improve and keep-up with all new trends in
order to deliver the most technologically up-to-date products in the market. We
are here to revolutionize the market capitalizing on what the other guys failed
to do right: Delivering a Sophisticated, trendy product line that people demand
and love (and continue doing so on a regular basis). We promise to never stop
refreshing our product lines with the coolest designs and technology available
so you can always have the most outstanding products technology can offer.
Think of DS18 as that new cool kid in the block that makes all the old-school
brands uneasy.



We do that with your feedback and our creativity, quality,
pricing, and kick-ass "never-stop-innovating" attitude.

Payment

Payment must be received before any shipments are dispatched.

Shipping

DS18 offers FREE shipping for customers with a valid residential or
commercial address within the Contiguous 48 United States (PO Boxes address may
require an additional fee).
We try to ship all orders within 24 hours of approved payment, in some cases orders may take a little longer to ship. We are closed during the weekend and all major holidays.

Terms

New
All New DS18 products are sold with a 1-Year Limited Manufacturer Defect Warranty.

Refurbished
All Refurbished DS18 products hold a 30-Day Warranty.

Certified Refurbished
For all Certified Refurbished orders eBay includes a FREE 2-year Allstate warranty.

Returns

New or Refurbished Returns
For all regular refurbished or new items we accept returns within 30 days of purchase. Shipping must be paid by the buyer and a restocking fee may be applied if item is returned in a materially different condition than it was shipped out. This includes the item, accessories, and packaging.
Certified Refurbished Returns
All certified refurbished products have a 30 day return policy and we will send a pre-paid shipping label for all returns.
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