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RS225P-4A 8" Reference Paper Woofer 4 Ohm
Quick Overview
Dayton Audio Reference Series paper cone drivers combine class-leading low distortion performance with the use of a proprietary cone blend. Now with a flatter frequency response and smoother high frequency roll-off allowing for extended bandwidth and easier crossover integration.Product Highlights
- Now with improved frequency response for easier crossover integration
- Three-part paper composite diaphragm featuring paper, Kevlar, and glass fibers
- Low-distortion motor, 6-hole cast frame, rubber surround, and solid aluminum phase plug
- Perfect for use as a woofer, midwoofer, or dedicated midrange driver
- 92.9 dB sensitivity and 6 mm of excursion
Product Manuals / Spec Sheets / Downloads
Dayton Audio RS225P-4A Specification SheetDayton Audio RS225P-4A Data Files
Buying Options
Now with improved frequency response – we tweaked the design and the result is a much a smoother high frequency roll-off allowing for extended bandwidth and easier crossover integration.
The performance of the original groundbreaking Reference Series from Dayton Audio, now available with a paper cone! The Reference Series Paper drivers use a proprietary paper cone formulation combining natural paper pulp and synthetic Kevlar® and glass fibers to create an advanced non-woven fiber composite that delivers the perfect combination of excellent detail and smooth, natural sonic character, plus a distinctive, classy look.
Optimum Cabinet Size
Sealed Volume 0.11 ft.³
Sealed F3 117 Hz
Vented Volume 0.27 ft.³
Vented F3 71 Hz
| Speaker Series | Reference Series |
| Model Number | RS225P-4A |
| Color | Black |
| Unit of Measure | Each |
| UPC | 848791002656 |
| Warranty - Parts | 5 Years |
| Warranty - Labor | 5 Years |
| Product Shipping Weight (lbs.) | 6 |
| Speaker Type | Woofer |
| Nominal Diameter | 8" |
| Power Handling (RMS) | 80 watts |
| Power Handling (max) | 120 watts |
| Continuous Program Power | -- |
| Impedance | 4 ohms |
| Sensitivity | 92.9 dB @ 2.83V/1m |
| Frequency Response |
35 - 5 500 Hz |
| Voice Coil Diameter | 38.5 mm |
| Magnet Weight | -- |
| DC Resistance (Re) | 3.3 ohms |
| Voice Coil Inductance (Le) | 0.51 mH @ 1 kHz |
| Resonant Frequency (Fs) | 37.7 Hz |
| Mechanical Q (Qms) | 1.85 |
| Electromagnetic Q (Qes) | 0.48 |
| Total Q (Qts) | 0.38 |
| Diaphragm Mass Inc. Airload (Mms) | 25.0g |
| Moving Mass Of Diaphragm (Mmd) | -- |
| Mechanical Compliance of Suspension (Cms) | 0.71 mm/N |
| Surface Area Of Cone (Sd) | 213.8 cm² |
| Volume of Displacement (Vd) | 128.2 cm³ |
| BL Product (BL) | 6.4 Tm |
| Compliance Equivalent Volume (Vas) | 45.8 liters |
| Maximum Linear Excursion (Xmax) | 6 mm |
| Drivers Mechanical Losses (Rms) | -- |
| Cone / Diaphragm Material | Paper / Kevlar Cone |
| Entry / Exit Diameter | -- |
| Surround Material | Rubber |
| Voice Coil Wire Material | -- |
| Voice Coil Former | -- |
| Basket/Frame Material | Cast Aluminum |
| Magnet Material | Ferrite |
| Overall Outside Diameter | 223 mm |
| Overall Depth | 84 mm |
| Baffle Cutout Diameter | 184 mm |
| # Mounting Holes | 6 |
| Mounting Hole Diameter | 209 mm |
| Bolt Circle Diameter | -- |
| Product Weight | -- |
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