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Speaker Driver Woofer Aluminium 50W 8 Ohm 85dB 35Hz - 10kHz Ø17.8mm

The Dayton Audio DA175-8 is a bass driver with aluminium cone, rubber suspensions, flat spider and dust proof composite core cover. This quality design provides a flat frequency response and a very low level of distortion.

| Specifications | |
|---|---|
| Speaker driver type | Woofer | 
| Nominal diameter | Ø17.78cm (7") | 
| Power | RMS : 50W Max : 100W  | 
| Impedance | 8 Ohm | 
| Frequency response | 35Hz - 10kHz | 
| Sensitivity | 85dB @ 2.83V/1m | 
| Voice coil diameter | Ø35mm | 
| Thiele-Small Parameters | |
|---|---|
| Resonant frequency (Fs) | 39Hz | 
| DC Resistance (Re) | 5.9Ω | 
| Voice coil inductance (Le) | 1.14mH | 
| Mechanical quality coefficient (Qms) | 3.31 | 
| Electromagnetic quality coefficient (Qes) | 0.7 | 
| Total quality coefficient (Qts) | 0.58 | 
| Compliance equivalent volume (Vas) | 0.58ft.³ | 
| Mechanical compliance of suspension (Cms) | 0.66mm/N | 
| Froce factor (BL) | 7.17Tm | 
| Diaphragm mass inc. airload (Mms) | 25.17g | 
| Maximum linear excursion (Xmax) | 4.25mm | 
| Surface area of cone (Sd) | 132.7cm² | 
| Material | |
|---|---|
| Cone material | Aluminium | 
| Surround material | Rubber | 
| Voice coil wire material | Copper | 
| Voice coil former | Aluminium | 
| Frame/Basket Material | Steel | 
| Magnet material | Ferrite | 
| Mounting informations | |
|---|---|
| Overall outside diameter | 175.5mm | 
| Baffle cutout diameter | 144mm | 
| Depth | 81mm | 
| Bolt circle diameter | 166.1mm | 
| Number of mounting holes | 5 | 
| Optimum Cabinet Size (Measured with BassBox 6 Pro) | |
|---|---|
| Sealed volume | 0.46ft³ | 
| Sealed F3 | 57Hz | 
| Vented volume | 1.2ft³ | 
| Vented F3 | 28Hz | 
| Speaker Power (W RMS) | 50.0 | 
| Speaker Type | Woofer | 
| Impedance (Ω) | 8 | 
| Loudspeaker diameter (mm) | 178.0 | 
| Diaphragm type | Aluminium | 
| Efficiency / Sensitivity (dB) | 85.0 | 
| Max Linear Excursion (Xmax) (mm) | 4.2 | 
| Lowest frequency (Hz) | 35 | 
| Highest frequency (Hz) | 10000 |