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DAYTON AUDIO SD215A-88 Speaker Driver Subwoofer DVC 80W 8+8 Ohm 86dB 31Hz-2500Hz Ø20.3cm
The Dayton Audio DVC subwoofer range has been designed to offer the best possible value for money. They feature a coated paper diaphragm, a large rubber surround and a large dual voice coil. They also allow a large linear excursion and offer excellent sound performance.
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Dayton Audio SD215A-88
Speaker Driver Subwoofer 80W 8+8Ω 86dB Hz - 20kHz Ø8cm 31Hz-2500Hz Ø20.3cm
The Dayton Audio DVC subwoofer range has been designed to offer the best possible value for money. They feature a coated paper diaphragm, a large rubber surround and a large dual voice coil. They also allow a large linear excursion and offer excellent sound performance.
Technical characteristics
| Specifications | |
|---|---|
| Speaker driver type | Subwoofer |
| Nominal diameter | Ø203.2mm (8") |
| Power handling | RMS : 80W Max : 160W |
| Impedance | 8+8Ω |
| Frequency repsonse | 31Hz - 2500Hz |
| Sensitivity | 85.9dB @ 1W/1m |
| Voice coil diameter | Ø38.5mm |
| Weight | - |
| Overall dimensions | Ø216 x 95mm |
| Magnet weight | - |
| Thiele-Small Parameters | |
|---|---|
| Resonant frequency (fS) | 31Hz |
| DC Resistance (RE) | 3.2Ω |
| Voice coil inductance (LE) | 1.16mH |
| Mechanical quality factor (QMS) | 3.10 |
| Electromagnetic quality factor (QES) | 0.45 |
| Total quality factor (QTS) | 0.39 |
| Suspension equivalent air volume (VAS) | 38.2L |
| Suspension mechanical compliance (CMS) | 620µm/N |
| Force factor (B·l) | 7.7T·m |
| Mechanical resistance (RMS) | 2.7N·s/m |
| Moving mass including airload (MMS) | 42.4g |
| Moving mass (MMD) | 40.1g |
| Maximum linear excursion (XMAX) | ±6mm |
| Displacement volume a Xmax (VD) | 125.2cm³ |
| Efficiency (η₀) | 0.25% |
| Efficiency bandwidth product (EBP) | 68 |
| Surface of the cone (SD) | 208.7cm² |
| MAterials | |
|---|---|
| Diaphragm | Coated paper |
| Surround | Rubber |
| Voice coil wire | Copper |
| Voice coil former | Aluminum |
| Frame | Steel |
| Magnet | Ferrite |
| Mounting infortmations | |
|---|---|
| Overall outside diameter | Ø216mm |
| Cutout diameter | Ø180mm |
| Depth | 95mm |
| Bolt circle diameter | Ø206.4mm |
| Number of mounting holes | 5 |
| Optimum cabinet size (Measured with BassBox 6 Pro) | |
|---|---|
| Sealed volume | 9.34L (0.33ft³) |
| Sealed F3 | 68Hz |
| Vented volume | 26.9L (0.95ft³) |
| Vented F3 | 38Hz |
| Speaker Power (W RMS) | 80.0 |
| Speaker Type | Subwoofer |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 203.0 |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | 86.0 |
| Max Linear Excursion (Xmax) (mm) | 6.0 |
| Lowest frequency (Hz) | 31 |
| Highest frequency (Hz) | 2500 |
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