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DD Audio Digital Designs 9921C-D2 21" Carbon Fiber Super Tuned 9600W Dual 2-Ohm Subwoofer

DD Audio Digital Designs 9921C-D2 21" Carbon Fiber Super Tuned 9600W Dual 2-Ohm Subwoofer

SKU #: 04593

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Special Price $1,499.00

Retail: $1,999.99

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Availability: In Stock

Condition: Brand New

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Special Price $1,499.00

Retail: $1,999.99

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DD Audio Digital Designs 9921C-D2 21" Carbon Fiber Super Tuned 9600W Dual 2-Ohm Subwoofer

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Description

General Features:

The 9900C combines the performance redefining technologies such as the aluminum Dual Stage rear mounted Heatsink, USA Made Iron Cloth Spider System, 2nd generation V-ROM surround, and more with the immense power of DD’s largest ferrite motor subwoofer series, optimized for a 3200 watt rms and the ability to handle power bursts well over 12,000 watts.

When supercharged, the 9900 motor throws nearly 9000 gauss through a 30mm deep gap, where the 8 layer coil is driven to 40mm of one way travel, with 15mm of coil still driven in the magnet gap resulting in exceptional coil control and excursion driven through the stiffest and lightest moving parts. The Free Flow Cooling System and multi-point heatsinks offer unbeatable heat dissipation to protect the high-temp insulated voice coil. The non-pressed carbon fiber loaded pulp cones are made to be incredibly light and strong, with the audibly distinguishable quality of being handmade in the USA.

The 9921 ups the game further with standard composite cone and 2nd generation EROM high-roll surround. At nearly 30% more cone area than a typical 18 inch sub, the 9921 is the most efficient way to move air with less coil travel, providing the ultimate in sound quality.

Features

NEW Aluminum 2 Stage Motor Heatsink
260mm Magnet Diameter
Multi-Vent Free Flow Cooling Motor
Shorting Ring Motor
4.3” High-Temp Voice Coil
Excursion Optimized ESP Frame
V-ROM Vario-Density Surround
Non-Pressed Composite Reinforced Pulp Cone
11” Dual/Triple Layer Iron Cloth Spider
Laminated Tinsel Leads
Hand Laid Composite Dust Cap
Embossed DDesign Magnet Boot
Made In USA

Specfications

Speaker Size (In):	21
Watts RMS:	3200
Watts Peak:	9600
Impedance:	D1 / D2
VCD (In):	4
Piston Diameter (In):	18.25
Fs (Hz):	26.24
Qms:	5.265
Qes:	0.517
Qts:	0.471
Vas (Liters):	161.9
Xmech (MM):	92
Xmax (MM):	22
Frame OD (In):	21.3125
Frame OD w/Gasket (In):	21.3125
Mounting Diameter (In):	19.25
Mounting Depth (In):	11.3125
Motor Diameter (In):	10.3125
Motor Depth (In):	4.5625
Woofer Displacement (CuFt):	0.55
Ported Enclosure (CuFt):	6.0 - 8.0