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Speaker Driver Full Range Dual Magnet 15W 8 Ohm 82.5dB 160Hz-20kHz Ø50.8mm
Delivering high efficiency and low distortion, the Dayton Audio DMA58-8 is an ideal full-range driver for a modern compact speaker design. Its motor uses two neodymium magnets to create a strong and symmetrical magnetic field for perfect diaphragm control. The careful design of the DMA58-8 also reduces inductance and distortion, improving high-frequency response. The double-layer voice coil is wound on a widely ventilated aluminum support, allowing for excellent heat dissipation, power handling and low compression. The aluminum diaphragm is held in place by a rubber suspension and a large basket, providing excellent mechanical damping.
Specifications | |
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Driver type | Full range |
Nominal diameter | Ø50.8mm (2") |
Power handling | RMS : 15W Max : 30W |
Impedance | 8Ω |
Frequency response | 160Hz - 20kHz |
Sensitivity | 82.5dB 2.83V/1m |
Voicec coil diameter | Ø25.4mm (1") |
Weight | 159g |
Thiele-Small parameters | |
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Resonant frequency (fS) | 166.2Hz |
DC resistance (RE) | 6.9Ω |
Electrical quality factor (QES) | 0.69 |
Mechanical quality factor (QMS) | 2.45 |
Total quality factor (QTS) | 0.54 |
Compliance equivalent volume (VAS) | 0.136L (0.0048ft³) |
Voice coil inductance (LE) | 0.4mH |
Force factor (B·l) | 4.6T·m |
Mechanical compliance of suspension (CMS) | 0.46mm/N |
Surface area of cone (SD) | 14.5cm² |
Maximum linear excursion (Xmax) | ±2mm |
Materials | |
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Cone material | Aluminum |
Surround material | Rubber |
Voice coil wire material | Copper |
Voice coil former material | Aluminum |
Frame material | Polymer |
Magnet material | Neodymium |
Mounting informations | |
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Overall outside dimensions | 56*56mm |
Cutout diameter | Ø49.8mm |
Total depth | 31.75mm |
Bolt circle diameter | Ø64.3mm |
Number of mountin holes | 4 |
Optimum cabinet size | |
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Sealed volume | 0.57L (0.02ft³) |
Sealed F3 | 235Hz |
Vented volume | 0.57L (0.02ft³ |
Vented F3 | 87Hz |
Speaker Power (W RMS) | 15.0 |
Speaker Type | Full range |
Impedance (Ω) | 8 |
Loudspeaker diameter (mm) | 51.0 |
Diaphragm type | Aluminium |
Efficiency / Sensitivity (dB) | 82.0 |
Max Linear Excursion (Xmax) (mm) | 2.0 |
Lowest frequency (Hz) | 160 |
Highest frequency (Hz) | 20000 |