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DAYTON AUDIO DC250-8 Speaker Driver Woofer 70W 8 Ohm 88dB 25Hz - 2500Hz Ø25.4cm
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Dayton Audio DC250-8
Speaker Driver Woofer 70W 8Ω 88dB 25Hz - 2500Hz Ø25.4cm
The Dayton Audio DC250-8 woofer is ideal for integration into a 2 or 3-way speaker system. It offers an excellent price/performance ratio, with very good sound performance, allowing for rich and deep bass reproduction. Its Qts (Total Quality Coefficient) of 0.45 allows it to be used in closed or open loudspeakers.
The paper diaphragm is made of unpressed treated paper and provides a very good frequency response, where the design of the coil and its support ensure high power handling without compression. The durability of the loudspeaker is ensured by the use of a rubber suspension and a treated cloth core cover.
Technical characteristics
| Specifications | |
|---|---|
| Speaker driver type | Woofer |
| Nominal diameter | Ø25.4cm (10") |
| Power handling | RMS : 70W Max : 140W |
| Impedance | 8Ω |
| Frequency response | 25Hz - 2500Hz |
| Sensitivity | 88.4dB @ 2.83V/1m |
| Voice coil diameter | Ø35mm (1.38") |
| Weight | 2.12kgg |
| Magnet weight | 567g |
| Thiele-Small Parameters | |
|---|---|
| Resonant frequency (Fs) | 24.9Hz |
| DC Resistance (Re) | 6.6Ω |
| Voice coil inductance (Le) | 2.63mH |
| Mechanical quality coefficient (Qms) | 3.16 |
| Electromagnetic quality coefficient (Qes) | 0.44 |
| Total quality coefficient (Qts) | 0.38 |
| Compliance equivalent volume (Vas) | 3.67 ft.³ |
| Mechanical compliance of suspension (Cms) | 0.61mm/N |
| Force factor (BL) | 12.64Tm |
| Diaphragm mass inc. airload (Mms) | 67.5g |
| Max linear excursion (Xmax) | 4.5mm |
| Surface area of cone (Sd) | 343.1cm² |
| Materials | |
|---|---|
| Cone | Trated paper |
| Surround | Rubber |
| Voice coil wire | Copper |
| Voice coil former | Aluminium |
| Basket/Frame | Steel |
| Magnet | Ferrite |
| Mounting informations | |
|---|---|
| Overall external diameter | Ø256mm (10.08") |
| Cutout diameter | Ø234mm (9.21") |
| Depth | 113mm (4.44") |
| Bolt circle diameter | 245.6mm (9.67") |
| Number of mounting holes | 4 |
| Optimum cabinet size (Measured with BassBox 6 Pro) | |
|---|---|
| Sealed volume | 1.39ft³ |
| Sealed F3 | 55Hz |
| Vented volume | 4.47ft³ |
| Vented F3 | 29Hz |
| Speaker Power (W RMS) | 70.0 |
| Speaker Type | Woofer |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 254.0 |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | 88.0 |
| Max Linear Excursion (Xmax) (mm) | 4.5 |
| Lowest frequency (Hz) | 25 |
| Highest frequency (Hz) | 2500 |
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