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Speaker Driver Woofer Aluminum 120W 8 Ohm 91dB 25Hz - 2500Hz Ø30.5cm
This woofer belongs to the Designer Series from Dayton Audio. It is suitable for all speaker construction / repair / modification projects. The meticulous design of this range ensures that each loudspeaker will hold its rated power at the lowest frequencies without exceeding its linear excursion capacity.
These speakers combine excellent performance with elegant styling. Carefully optimized for superb sound reproduction, they can be integrated into a wide variety of speaker cabinets.
Specifications | |
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Product type | Woofer |
Nominal diameter | Ø304.8mm (12") |
Power handling | RMS : 120W Max : 240W |
Impedance | 8Ω |
Frequency response | 25Hz - 2500Hz |
Sensitivity | 91dB @ 2.83V/1m |
Voice coil diameter | Ø49.53mm (1.95") |
Thiele-Small Parameters | |
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Resonant frequency (Fs) | 24.2Hz |
DC Resistance (Re) | 6.1Ω |
Voice coil inductance (Le) | 1.43mH |
Mechanical quality coefficient (Qms) | 1.79 |
Electromagnetic quality coefficient (Qes) | 0.37 |
Total quality coefficient (Qts) | 0.31 |
Compliance equivalent volume (Vas) | 159L |
Mechanical compliance of suspension (Cms) | 0.44mm/N |
Force factor (BL) | 15.6Tm |
Diaphragm mass inc. airload (Mms) | 97.4g |
Max linear excursion (Xmax) | 5.5mm |
Surface area of cone (Sd) | 506.7cm² |
Material | |
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Cone | Aluminum |
Surround | Rubber |
Voice coil wire | Copper |
Voice coil former | Aluminum |
Frame | Steel |
Magnet | Ferrite |
Mounting Informations | |
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Overall external diameter | Ø313.9mm (12.36") |
Cutout diameter | Ø272mm (10.71") |
Depth | 130mm (5.12") |
Number of mounting holes | 5 |
Optimum cabinet size (Measured with BassBox 6 Pro High Fidelity) | |
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Sealed volume | 26.3L (0.93ft.³) |
Sealed F3 | 60Hz |
Vented volume | 53.8L (1.9ft.³) |
Vented F3 | 37Hz |
Speaker Power (W RMS) | 120.0 |
Speaker Type | Woofer |
Impedance (Ω) | 8 |
Loudspeaker diameter (mm) | 305.0 |
Diaphragm type | Paper |
Efficiency / Sensitivity (dB) | 91.0 |
Max Linear Excursion (Xmax) (mm) | 5.5 |
Lowest frequency (Hz) | 25 |
Highest frequency (Hz) | 2500 |