Dayton Audio RS225P-8A 8" Reference Paper Woofer 8 Ohm
Best box: 46.7 L bass reflex tuned to 35.0 Hz · F3 35.4 Hz
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Comparable 8.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Dayton Audio RS225P-8A 8" Reference Paper Woofer 8 Ohm does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 46.7 Liters |
| Tuning Frequency (Fb) | 35.0 Hz |
| F3 (-3 dB Cutoff) | 35.4 Hz |
| F6 / F10 Extension | 31.1 Hz / 27.2 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 6.7 cm |
| First Pipe Resonance | 2562.0 Hz |
| Estimated MOL @ F3 | 104.1 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 20.7 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 63.6 Hz |
| F3 (-3 dB Cutoff) | 65.8 Hz |
| F6 / F10 Extension | 49.3 Hz / 37.0 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 31.6 Hz |
| Total Q (Qts) | 0.34 |
| Electrical Q (Qes) | 0.467 |
| Mechanical Q (Qms) | 1.25 |
| Equivalent Volume (Vas) | 68.8 Liters |
| Diaphragm Area (Sd) | 213.8 cm² |
| DC Resistance (Re) | 7.1 Ω |
| Efficiency Bandwidth Product (EBP) | 67.7 |
| Linear Excursion (Xmax) | 7.0 mm |
| Thermal Power (Pe) | 80.0 W |
| Nominal Diameter | 8.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Dayton Audio RS225P-8A 8" Reference Paper Woofer 8 Ohm?
Load Forge's calculated alignment puts Dayton Audio RS225P-8A 8" Reference Paper Woofer 8 Ohm in a 46.7 liter vented enclosure tuned to 35.0 Hz, reaching an F3 cutoff of approximately 35.4 Hz.
Can Dayton Audio RS225P-8A 8" Reference Paper Woofer 8 Ohm be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 20.7 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 65.8 Hz.
What port dimensions should be used for Dayton Audio RS225P-8A 8" Reference Paper Woofer 8 Ohm to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 6.7 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
Shareable Acoustic Card for Forums & Social Media
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