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Dayton Audio presents its Odeum range of high-end professional loudspeakers. The Pro 12LF is a subwoofer with incredible performance. It is based on a careful, intelligent design, enabling it to be installed in demanding systems requiring high power reproduction with fidelity. Here are the highlights of the Dayton Audio Pro 12LF subwoofer speaker:
The Dayton Audio Pro 12LF is a 12" professional subwoofer that guarantees superior performance in a PA system. This speaker achieves up to 400W RMS power thanks to a ferrite motor and a 3" voice coil with fiberglass support. It also features extended ventilation for subwoofer power handling and reduced power compression. The treated paper cone with fabric suspension provides a neutral, easy-to-tune sound.
The Dayton Audio Pro 12 LF loudspeaker delivers big power in a small form factor. The large motor demands impressive control and enables a low Qt of 0.21, meaning it's ideally suited to small, vented loudspeakers. An impedance of 8 ohms means that a pair can be used in a space as small as 2.3 cubic feet (65L), with a high-output design that supports 800 Watts and extends to bass at 30Hz, achieving sound pressure levels in excess of 94 dB.
Technical characteristics
Specifications | |
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Speaker driver type | Subwoofer |
Nominal diameter | Ø304mm (12") |
Handling power | RMS : 400W Max : 8000W |
Impedance | 8Ω |
Frequency response | 30Hz - 1500Hz |
Sensitivity | 94.5dB @ 2.83V/1m |
Voice coil diameter | Ø76.2mm (3") |
Weight | 9.5kg |
Overall external dimensions | Ø324*143mm |
Magnet weight | - |
Thiele-Small parameters | |
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Resonant frequency (fS) | 28Hz |
DC resistance (RE) | 6.7Ω |
Voice coil inductance (LE) | 1.47mH |
Mechanical quality factor (QMS) | 5.19 |
Electromagnetic quality factor (QES) | 0.22 |
Total quality factor (QTS) | 0.21 |
Compliance equivalent volume (VAS) | 147.81L (5.222ft³) |
Mechanical compliance of suspension(CMS) | 0.37mm/N |
Force factor (B·l) | 21.8T·m |
Mechanical resistance (RMS) | - |
Diaphragm mass inc. airload (MMS) | 88.3g |
Max linear excursion (XMAX) | 9.25mm |
Surface area of cone (SD) | 533cm² |
Material | |
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Cone | Coated paper |
Surround | Cloth |
Voice coil wire | Copper |
Voice coil former | Fiberglass |
Frame | Aluminum |
Magnet | Ferrite |
Mounting informations | |
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External diameter | Ø304.8mm (12.6") |
Cutout diameter | Ø279.4mm (11.5") |
Depth | 127mm (6") |
Fastening circle diameter | - |
Number of mounting holes | 8 |
OPTIMUM CASE SIZE | |
---|---|
Sealed volume | 25.48L (0.9pi³) |
Sealed F3 | 110Hz |
Vented volume | 25.48L (0.9pi³) |
Vented F3 bass-reflex | 41Hz |
Speaker Power (W RMS) | 400.0 |
Speaker Type | Subwoofer |
Impedance (Ω) | 8 |
Loudspeaker diameter (mm) | 304.0 |
Diaphragm type | Paper |
Efficiency / Sensitivity (dB) | 94.5 |
Max Linear Excursion (Xmax) (mm) | 9.25 |
Lowest frequency (Hz) | 30 |
Highest frequency (Hz) | 1500 |