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| Features & Specifications: |
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.
DD Audio's SuperCharged (SC) subwoofers enhances the motor strength and magnetic field, resulting in tighter, cleaner, and more accurate bass. This is achieved by adding a neodymium shorting ring that redirects magnetic energy into the voice coil gap, increasing the motor's usable strength. The stronger motor provides better control and precision, especially with complex bass lines and dynamic tracks.
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.
DD Audio's SuperCharged (SC) subwoofers enhances the motor strength and magnetic field, resulting in tighter, cleaner, and more accurate bass. This is achieved by adding a neodymium shorting ring that redirects magnetic energy into the voice coil gap, increasing the motor's usable strength. The stronger motor provides better control and precision, especially with complex bass lines and dynamic tracks.
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
- 11” Dual/Triple Layer Iron Cloth Spider Laminated Tinsel Leads
- Hand Laid Composite Dust Cap
- Embossed DDesign Magnet Boot
- Made In USA
SPECIFICATIONS- Speaker Size (In): 15
- Watts RMS: 3200
- Watts Peak: 9600
- Impedance: D1 / D2
- VCD (In): 4
- Piston Diameter (In): 14.25
- Fs (Hz): 34.32
- Qms: 6.551
- Qes: 0.426
- Qts: 0.400
- Vas (Liters): 54.38
- Xmech (MM): 62
- Xmax (MM): 32
- Frame OD (In): 16.62
- Frame OD w/Gasket (In): 16.75
- Mounting Diameter (In): 15.19
- Mounting Depth (In): 10.31
- Motor Diameter (In): 10.31
- Motor Depth (In): 4.56
- Woofer Displacement (CuFt): 0.4
- Ported Enclosure (CuFt): 3.0 - 6.0
- 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
- 11” Dual/Triple Layer Iron Cloth Spider Laminated Tinsel Leads
- Hand Laid Composite Dust Cap
- Embossed DDesign Magnet Boot
- Made In USA
- Speaker Size (In): 15
- Watts RMS: 3200
- Watts Peak: 9600
- Impedance: D1 / D2
- VCD (In): 4
- Piston Diameter (In): 14.25
- Fs (Hz): 34.32
- Qms: 6.551
- Qes: 0.426
- Qts: 0.400
- Vas (Liters): 54.38
- Xmech (MM): 62
- Xmax (MM): 32
- Frame OD (In): 16.62
- Frame OD w/Gasket (In): 16.75
- Mounting Diameter (In): 15.19
- Mounting Depth (In): 10.31
- Motor Diameter (In): 10.31
- Motor Depth (In): 4.56
- Woofer Displacement (CuFt): 0.4
- Ported Enclosure (CuFt): 3.0 - 6.0
| International Shipping Info: |
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| Warranty: |
Each and every product for sale on eBay.com by WoofersETC is covered under a (1) One Year Warranty, and can be returned for a period of (1) one year for warranty service. If you have purchased a product from us within the last one (1) year, and it is failing to perform as intended by its manufacturer, please email customer service. You will be issued a Return Authorization Number. Returns will not be accepted without a previously issued RA#.
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