Dayton Audio CE65W-8 Full-range Woofer
Best box: 4.0 L bass reflex tuned to 89.2 Hz · F3 136.1 Hz
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Comparable 8.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Dayton Audio CE65W-8 Full-range 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: 2.0 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) | 4.0 Liters |
| Tuning Frequency (Fb) | 89.2 Hz |
| F3 (-3 dB Cutoff) | 136.1 Hz |
| F6 / F10 Extension | 117.2 Hz / 94.0 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 14.9 cm |
| First Pipe Resonance | 1153.0 Hz |
| Estimated MOL @ F3 | 99.1 dB SPL |
Sealed (Acoustic Suspension) — compromise
SUITS INFINITE / OPEN BAFFLEWith Qts 0.99 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 1.4; for a flat response this driver is better used on an infinite (IB) or open baffle.
| Net Box Volume (Vb) | 5.0 Liters |
| System Q (Qtc) | 1.4 (above Butterworth: Qtc cannot fall below Qts (0.99)) |
| System Resonance (Fc) | 148.5 Hz |
| F3 (-3 dB Cutoff) | 121.9 Hz |
| F6 / F10 Extension | 104.6 Hz / 86.6 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 105.0 Hz |
| Total Q (Qts) | 0.99 |
| Electrical Q (Qes) | 1.333 |
| Mechanical Q (Qms) | 3.85 |
| Equivalent Volume (Vas) | 5.0 Liters |
| Diaphragm Area (Sd) | 220.0 cm² |
| DC Resistance (Re) | 6.9 Ω |
| Efficiency Bandwidth Product (EBP) | 78.8 |
| Linear Excursion (Xmax) | 2.0 mm |
| Thermal Power (Pe) | 7.0 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 CE65W-8 Full-range Woofer?
Load Forge's calculated alignment puts Dayton Audio CE65W-8 Full-range Woofer in a 4.0 liter vented enclosure tuned to 89.2 Hz, reaching an F3 cutoff of approximately 136.1 Hz.
Can Dayton Audio CE65W-8 Full-range Woofer be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 5.0 liters with a Qtc of 1.4 (above Butterworth: Qtc cannot fall below Qts (0.99)), the system exhibits an F3 of 121.9 Hz.
What port dimensions should be used for Dayton Audio CE65W-8 Full-range Woofer to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 14.9 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
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