Dayton Audio DC160-8 6-1/2" Classic Woofer
Best box: 12.1 L bass reflex tuned to 39.6 Hz · F3 40.0 Hz
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Comparable 6.5" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Dayton Audio DC160-8 6-1/2" Classic Woofer 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: 3.2 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) | 12.1 Liters |
| Tuning Frequency (Fb) | 39.6 Hz |
| F3 (-3 dB Cutoff) | 40.0 Hz |
| F6 / F10 Extension | 35.1 Hz / 30.7 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 27.4 cm |
| First Pipe Resonance | 627.0 Hz |
| Estimated MOL @ F3 | 98.7 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 5.4 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 73.2 Hz |
| F3 (-3 dB Cutoff) | 74.2 Hz |
| F6 / F10 Extension | 55.7 Hz / 41.9 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 35.7 Hz |
| Total Q (Qts) | 0.34 |
| Electrical Q (Qes) | 0.377 |
| Mechanical Q (Qms) | 3.46 |
| Equivalent Volume (Vas) | 17.8 Liters |
| Diaphragm Area (Sd) | 134.8 cm² |
| DC Resistance (Re) | 6.6 Ω |
| Efficiency Bandwidth Product (EBP) | 94.7 |
| Linear Excursion (Xmax) | 3.2 mm |
| Thermal Power (Pe) | 50.0 W |
| Nominal Diameter | 6.5" |
| 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 DC160-8 6-1/2" Classic Woofer?
Load Forge's calculated alignment puts Dayton Audio DC160-8 6-1/2" Classic Woofer in a 12.1 liter vented enclosure tuned to 39.6 Hz, reaching an F3 cutoff of approximately 40.0 Hz.
Can Dayton Audio DC160-8 6-1/2" Classic Woofer be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 5.4 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 74.2 Hz.
What port dimensions should be used for Dayton Audio DC160-8 6-1/2" Classic Woofer to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 27.4 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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