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Reference Series Woofer Speaker 8Ω Ø20.3cm
The Dayton Audio RS225P-8A is a 20.3cm diameter bass speaker, belonging to the Reference Seriesrange. This range has the particularity of offering membranes combining natural paper pulp, synthetic Kevlar and fibreglass. This combination creates a non-woven fiber composite that is perfect for detailed, smooth and natural sound with a distinctive and elegant aesthetic.
The RS225P-8A woofer has undergone design modifications to offer softer high frequencies, extended bandwidth and easier integration with other speakers. Other features include a low distortion motor and rubber suspension, 89.1dB sensitivity and 7mm Xmax (max linear excursion) for deep bass.
| Specifications | |
|---|---|
| Speaker Serie | Reference Series |
| Speaker type | Woofer |
| Nominal diameter | 8" (20.3cm) |
| Power Handling : RMS | 80W |
| Power Handling : Max | 120W |
| Impedance | 8Ω |
| Sensitivity | 89.1dB 2.83V/1m |
| Frequency response | 30Hz - 7000Hz |
| Voice coil diameter | 38.6mm |
| DC Resistance (Re) | 7.1Ω |
| Voice coil inductance (Le) | 1.02mH @ 1kHz |
| Resonant frequency (Fs) | 31.6Hz |
| Mechanical Q (Qms) | 1.25 |
| Electromagnetic Q (Qes) | 0.46 |
| Total Q (Qts) | 0.34 |
| Diaphragm Mass Inc. Airload (Mms) | 23.6g |
| Mechanical Compliance of Suspension (Cms) | 1.07mm/N |
| Surface Area of Cone (Sd) | 213.8cm² |
| BL Product (BL) | 8.5Tm |
| Compliance equivalent volume (Vas) | 66.8l |
| Maximum linear excursion (Xmax) | 7mm |
| Cone material | Paper / Kevlar |
| Surround material | Rubber |
| Basket material | Cast Aluminium |
| Magnet material | Ferrite |
| Overall outside diameter | 223mm |
| Overall depth | 89mm |
| Cutout diamter | 184mm |
| Fixation holes | 6 |
| Speaker Power (W RMS) | 70.0 |
| Speaker Type | Woofer |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 203.0 |
| Diaphragm type | Kevlar |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | 88.0 |
| Max Linear Excursion (Xmax) (mm) | 5.3 |
| Lowest frequency (Hz) | 40 |
| Highest frequency (Hz) | 4500 |
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