Dayton Audio RSS460HO-4 18" Reference Series HO Subwoofer 4 ohm
Best box: 155.1 L bass reflex tuned to 22.0 Hz · F3 23.2 Hz
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Comparable 18.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Dayton Audio RSS460HO-4 18" Reference Series HO Subwoofer 4 ohm does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
⚠️ Engineering Notice for Builders
- Large enclosure volume (155.1 L) requires extensive internal matrix bracing to prevent panel resonance.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 155.1 Liters |
| Tuning Frequency (Fb) | 22.0 Hz |
| F3 (-3 dB Cutoff) | 23.2 Hz |
| F6 / F10 Extension | 20.1 Hz / 17.4 Hz |
| Port Inner Diameter | Ø 12.5 cm |
| Port Physical Length | 40.1 cm |
| First Pipe Resonance | 429.0 Hz |
| Estimated MOL @ F3 | 115.3 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 70.1 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 40.7 Hz |
| F3 (-3 dB Cutoff) | 42.5 Hz |
| F6 / F10 Extension | 31.8 Hz / 23.9 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 18.8 Hz |
| Total Q (Qts) | 0.32 |
| Electrical Q (Qes) | 0.347 |
| Mechanical Q (Qms) | 4.05 |
| Equivalent Volume (Vas) | 272.1 Liters |
| Diaphragm Area (Sd) | 1164.0 cm² |
| DC Resistance (Re) | 3.2 Ω |
| Efficiency Bandwidth Product (EBP) | 54.1 |
| Linear Excursion (Xmax) | 12.8 mm |
| Thermal Power (Pe) | 900.0 W |
| Nominal Diameter | 18.0" |
| 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 RSS460HO-4 18" Reference Series HO Subwoofer 4 ohm?
Load Forge's calculated alignment puts Dayton Audio RSS460HO-4 18" Reference Series HO Subwoofer 4 ohm in a 155.1 liter vented enclosure tuned to 22.0 Hz, reaching an F3 cutoff of approximately 23.2 Hz.
Can Dayton Audio RSS460HO-4 18" Reference Series HO Subwoofer 4 ohm be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 70.1 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 42.5 Hz.
What port dimensions should be used for Dayton Audio RSS460HO-4 18" Reference Series HO Subwoofer 4 ohm to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 12.5 cm with a length of 40.1 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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