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DAYTON AUDIO RS270P-4A Speaker Driver Woofer Paper 100W 4 Ohm 91dB 23Hz - 6000Hz Ø25.4cm
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Woofer RS270P-4A
The RS270P-4A woofer belongs to the "Reference Series" from Dayton Audio. Conforming to the requirements of the series, this model offers a very interesting quality/price ratio while respecting the specifications of very high performance loudspeakers.
This model inherits all the technical know-how and qualities that have made the Reference series so successful, but this time with a composite cone made from natural paper pulp, PPD-T (Kevlar), and fiberglass. The whole is designed to emphasize the details while ensuring a neutral and natural restitution.
The RS270P-4A benefits from a high accuracy over its frequency range (23-6000Hz) with an extremely low distortion level in the low end of the spectrum.
| Specifications | |
|---|---|
| Speaker driver type | Woofer |
| Nominal diameter | 10" |
| Power (RMS) | 100 watts |
| Power (max) | 200 watts |
| Impedance | 4 ohms |
| Sensitivity | 90.9 dB @ 2.83V/1m |
| Frequency response | 23 - 6,000 Hz |
| Voice coil diameter | 2" |
| DC Resistance (Re) | 3.9 Ohm |
| Voice coil inductance (Le) | 0.55 mH |
| Resnonant frequency (Fs) | 22.9 Hz |
| Mechanical quality coefficient (Qms) | 1.35 |
| Electrical quality coefficient (Qes) | 0.34 |
| Moving mass of diaphragm (Mmd) | 73.2g |
| Mechanical compliance of suspension (Cms) | 0.66 mm/N |
| Surface area of cone (Sd) | 346.4 cm² |
| Compliance equivalent volume (Vas) | 84.9L |
| Max linear excursion (Xmax) | 6.0 mm |
| Cone material | Paper / Kevlar |
| Surround | Rubber |
| Voice coil material | Copper |
| Voice coil former | Aluminum |
| Frame / Basket | Cast aluminum |
| Magnet material | Ferrite |
| Total diameter | 272 mm |
| Total depth | 113 mm |
| Cutout diameter | 236 mm |
| # Mouting holes | 6 |
| Optimum cabinet size (determined with BassBox 6 Pro) | |
|---|---|
| Sealed volume | 14.4L |
| Sealed F3 | 65Hz |
| Vented volume | 26.6L |
| Vented F3 | 46Hz |
| Speaker Power (W RMS) | 100.0 |
| Speaker Type | Woofer |
| Impedance (Ω) | 4 |
| Loudspeaker diameter (mm) | 254.0 |
| Diaphragm type | Kevlar |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | 91.0 |
| Max Linear Excursion (Xmax) (mm) | 6.0 |
| Lowest frequency (Hz) | 23 |
| Highest frequency (Hz) | 6000 |
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