DD Audio Power Tuned Z321
21" (53cm) subwoofer
/piece
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Description
The Power Tuned Z321 is a 21" (53cm) subwoofer from DD Audio. Since its first generation in 2005, this subwoofer has revolutionized the way we perceive high performance loudspeakers. All components are made in the USA using the best materials and manufacturing methods. This model is a top-of-the-line production that combines impressive innovations with high-quality workmanship and appealing design. What you can expect is a subwoofer with extended excursion capability, improved cooling system and a stunning look with a black oxide finish and red anodized accents. Each piece has its production number engraved on it, making each one unique and exclusive.
Features
- 53cm (21") subwoofer including DD Audio merchandise package!
- Load capacity (RMS): 4000 watts
- Peak load capacity (peak): 8000 watts
- Coil diameter 3.35" (8.50mm)
- Impedance options:
- Double 1 Ohm
- Double 2 Ohm
- Double 0.5 Ohm
- Double 1.5 Ohm
- Patented neodymium magnet system
- Lossless linear suspension
- Ribbed foam surround
- Magnetic protection cap incl. grid in front of the pole core hole
- Aluminum die-cast basket
In early 2005, the first ever generation of the Z-Motor was launched. It forever changed the way people thought about a high performance subwoofer and pushed the boundaries of carhifis to new extremes. Over the years, many versions of the Z-Motor have been produced, and this spirit of experimentation has driven DD to constantly improve and innovate.
The Z3 series utilizes an impressive 13-lens N48 grade open neodymium motor, just like its big brothers in the Z4 series.
The USA steel motor parts are machined in DD Audio's hometown of OKC, and all moving parts are made in the USA from the best materials and manufacturing methods available.
The current Z's feature several design improvements over previous models. DD was able to overcome structural saturation levels and increase peak and total flux levels by allowing more energy to flow through our magnetic lens architecture via more efficient flux paths, tighter lens alignment and converging flux lines.
The free-flow cooling system was improved by adding longitudinal pole valves to increase airflow to the coil former. DD then increased the thermal mass and applied heat-absorbing coatings in the target areas to aid in long-term heat dissipation.
DD also made geometric changes that allow for increased maximum excursion and a wider range of system configurations.
The Z's eye-catching appearance is characterized by a black oxide coating combined with red anodized accents. The motors are also adorned with custom CNC-engraved designs, and each motor is engraved with its production number, making each part unique.
You'll notice that the standard TS parameters for the Z Series are missing. This omission is intentional, as each Z is made to order, allowing for zillions of possible parameter sets, making a static set of specifications highly susceptible to inaccuracies.
The Z-Series subwoofers are also equipped with the Evolution Subwoofer Package (ESP). ESP-equipped drivers feature larger diameter suspensions and deeper frames than standard subwoofers, as well as exclusive surround and cone designs. ESP subwoofers are truly built to maximize performance in their respective size class.
The Z-Series comes standard with an oversized black composite drywall dust cap, red logo and treated cellulose cone, but can be optionally equipped with a custom suspension configuration, alternative composite dust caps, composite cones, powder-coated frames and a variety of logo options to give your subwoofer a custom look and/or additional performance for a specific application.
