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The Dayton Audio DS270-8 is a 25.4 cm (10-inch) woofer with a coated paper cone and rubber surround, part of the Designer Series. This series was specifically designed for speaker builders. It is an affordable and aesthetically pleasing line of drivers that prioritizes performance above all else. Thanks to meticulous design, each driver in the series is capable of handling its maximum rated power at the lowest possible frequencies without exceeding the Xmax value.
These speakers combine outstanding technical performance with an elegant design. Carefully optimized to deliver exceptional sound reproduction when integrated into a wide variety of setups, the transducers in the Designer series embody audiophile excellence with sophistication.

Technical characteristics
| Specifications | |
|---|---|
| Product type | Woofer |
| Nominal diameter | Ø25.4cm (10") |
| Power handling | RMS : 100W Max : 200W |
| Impedance | 8Ω |
| Frequency response | 30Hz - 3000Hz |
| Sensitivity | 90.7dB 2.83V/1m |
| Voice coil diameter | Ø38.6mm (1.52") |
| Thiele-Small Parameters | |
|---|---|
| Resonant frequency (Fs) | 31.6Hz |
| DC resistance (Re) | 5.4Ω |
| Voice coil inductance (Le) | 1.25mH |
| Mechanical Q (Qms) | 2.4 |
| Electromagnetic Q (Qes) | 0.54 |
| Total Q (Qts) | 0.44 |
| Compliance equivalent volume (Vas) | 3.09ft³ |
| Mechanical compliance of suspension (Cms) | 0.48mm/N |
| Force factor (BL) | 10.1T·m |
| Diaphragm mass inc. airload (Mms) | 56.4g |
| Maximum linear excursion (Xmax) | 5.5mm |
| Surface area of cone (Sd) | 353cm² |
| Materials | |
|---|---|
| Cone material | Coated paper |
| Surround material | Rubber |
| Voice coil material | Copper |
| Voice coil former material | Aluminum |
| Frame/basket material | Steel |
| Magnet material | Ferrite |
| Mounting information | |
|---|---|
| Overall outside diameter | Ø270mm (10.63") |
| Cutout diameter | Ø227mm (8.94") |
| Depth | Ø112mm (4.41") |
| Number of mounting holes | 5 |
| Bolt circle diameter | Ø260.1mm (10.24") |
| Recommended enclosure volume | |
|---|---|
| Sealed volume | 36.81L (1.3ft³) |
| F3 Sealed | 57Hz |
| Vented volume | 56.63LL (2ft³) |
| F3 Vented | 38Hz |
| Speaker Power (W RMS) | 100.0 |
| Speaker Type | Woofer |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 254.0 |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | 90.7 |
| Max Linear Excursion (Xmax) (mm) | 5.5 |
| Lowest frequency (Hz) | 30 |
| Highest frequency (Hz) | 3000 |