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Speaker Driver Woofer Aluminum 120W 8 Ohm 90dB 24Hz - 2000Hz 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.
The DSA315-8 benefits from a smooth and well-defined frequency response over the 24Hz - 2000Hz range, which will facilitate effective and relevant filtering in speaker design. With a power handling of 120W (RMS), a sensitivity of 90.3dB @ 2.83V/1m and a maximum excursion of 5.5mm, this woofer delivers a powerful and accurate bass response that will suit both standard audio applications and more ambitious home theatre projects.

| Specifications | |
|---|---|
| Product type | Woofer |
| Nominal diameter | Ø304.8mm (12") |
| Power handling | RMS : 120W Max : 240W |
| Impedance | 8Ω |
| Frequency response | 24Hz - 2000Hz |
| Sensitivity | 90.3dB @ 2.83V/1m |
| Voice coil diameter | Ø49.53mm (1.95") |
| Magnet weight | 2183g |
| Thiele-Small Parameters | |
|---|---|
| Resonant frequency (Fs) | 24.23Hz |
| DC Resistance (Re) | 6Ω |
| Voice coil inductance (Le) | 1.11mH |
| Mechanical quality coefficient (Qms) | 1.89 |
| Electromagnetic quality coefficient (Qes) | 0.40 |
| Total quality coefficient (Qts) | 0.33 |
| Compliance equivalent volume (Vas) | 146.96L |
| Mechanical compliance of suspension (Cms) | 0.38mm/N |
| Force factor (BL) | 16.1Tm |
| Diaphragm mass inc. airload (Mms) | 113.1g |
| Max linear excursion (Xmax) | 5.5mm |
| Surface area of cone (Sd) | 506.7cm² |
| Material | |
|---|---|
| Cone | Aluminum |
| Surround | Rubber |
| Voice coil wire | Copper |
| Voice coil former | Aluminum |
| Frame | Steel |
| Magnet | Ferrite |
| Mounting Informations | |
|---|---|
| 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) | |
|---|---|
| Sealed volume | 24.35L (0.86ft.³) |
| Sealed F3 | 62Hz |
| Vented volume | 29.74L (2.11ft.³) |
| Vented F3 | 27Hz |
| Speaker Power (W RMS) | 120.0 |
| Speaker Type | Woofer |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 305.0 |
| Diaphragm type | Aluminium |
| Efficiency / Sensitivity (dB) | 90.0 |
| Max Linear Excursion (Xmax) (mm) | 5.5 |
| Lowest frequency (Hz) | 24 |
| Highest frequency (Hz) | 2000 |