Dayton Audio DC130B-8 5-1/4" Classic Woofer Speaker
Best box: 11.4 L bass reflex tuned to 52.7 Hz · F3 50.7 Hz
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Comparable 5.25" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Dayton Audio DC130B-8 5-1/4" Classic Woofer Speaker 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
- Limited linear excursion (Xmax: 2.5 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 11.4 Liters |
| Tuning Frequency (Fb) | 52.7 Hz |
| F3 (-3 dB Cutoff) | 50.7 Hz |
| F6 / F10 Extension | 45.2 Hz / 39.9 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 15.0 cm |
| First Pipe Resonance | 1146.0 Hz |
| Estimated MOL @ F3 | 99.9 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 4.9 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 95.4 Hz |
| F3 (-3 dB Cutoff) | 94.4 Hz |
| F6 / F10 Extension | 71.6 Hz / 54.1 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 52.5 Hz |
| Total Q (Qts) | 0.38 |
| Electrical Q (Qes) | 0.478 |
| Mechanical Q (Qms) | 1.85 |
| Equivalent Volume (Vas) | 12.2 Liters |
| Diaphragm Area (Sd) | 91.6 cm² |
| DC Resistance (Re) | 5.7 Ω |
| Efficiency Bandwidth Product (EBP) | 109.8 |
| Linear Excursion (Xmax) | 2.5 mm |
| Thermal Power (Pe) | 40.0 W |
| Nominal Diameter | 5.25" |
| 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 DC130B-8 5-1/4" Classic Woofer Speaker?
Load Forge's calculated alignment puts Dayton Audio DC130B-8 5-1/4" Classic Woofer Speaker in a 11.4 liter vented enclosure tuned to 52.7 Hz, reaching an F3 cutoff of approximately 50.7 Hz.
Can Dayton Audio DC130B-8 5-1/4" Classic Woofer Speaker be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 4.9 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 94.4 Hz.
What port dimensions should be used for Dayton Audio DC130B-8 5-1/4" Classic Woofer Speaker to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 15.0 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
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