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This woofer DC130AS-8 from Dayton Audio, with a nominal diameter of 13.3cm (5-1/4"), features a treated paper cone, a rubber surround and a 2.5cm aluminum voice coil. Its shielded design concentrates the magnetic flux in the air gap, while the steel basket provides a structure suited to replacement or speaker building projects. It can be used as a woofer, upper midrange or small subwoofer, handles 30W RMS, has a sensitivity of 88.5dB and offers a maximum linear excursion of 2.5mm.

Technical specifications
| Specifications | |
|---|---|
| Product type | Woofer |
| Power | RMS: 30W Max: 60W |
| Impedance | 8Ω |
| Frequency response | 55Hz-4kHz |
| Sensitivity | 88.5dB |
| Nominal diameter | Ø13.3cm |
| Thiele-Small parameters | |
|---|---|
| Resonance frequency (Fs) | 57.2Hz |
| DC resistance (Re) | 5.6Ω |
| Voice coil inductance (LE) | 0.84mH |
| Mechanical quality coefficient (Qms) | 2.01 |
| Electromagnetic quality coefficient (Qes) | 0.58 |
| Total quality coefficient (Qts) | 0.45 |
| Compliance equivalent volume (Vas) | 0.34pi³ |
| Mechanical compliance of suspension (Cms) | 0.8mm/N |
| Force factor (BL) | 5.83T·m |
| Total moving mass + air load on the cone (Mms) | 9.7g |
| Max linear excursion (Xmax) | 2.5mm |
| Cone surface area (Sd) | 91.6cm² |
| Mounting informations | |
|---|---|
| Total external diameter | 13.4cm |
| Cutout diameter | 11.98cm |
| Depth | 7.85cm |
| Number of mounting holes | 4 |
| Materials | |
|---|---|
| Cone | Treated paper |
| Magnet | Ferrite |
| Frame | Steel |
| Voice coil wire | Copper |
| General | |
|---|---|
| Weight | 0,9kg |
| Package | 1x DAYTON AUDIO DC130AS-8 |
| Speaker Power (W RMS) | 30 |
| Speaker Type | Woofer |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 133.0 |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | 88.5 |
| Max Linear Excursion (Xmax) (mm) | 2.5 |
| Lowest frequency (Hz) | 55 |
| Highest frequency (Hz) | 4000 |