Dayton Audio Odeum Apollo 8N 8MB200N-8 8" Professional Neodymium Midbass Woofer 8 Ohm
Best box: 5.0 L bass reflex tuned to 110.1 Hz · F3 107.9 Hz
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Comparable 8.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Dayton Audio Odeum Apollo 8N 8MB200N-8 8" Professional Neodymium Midbass Woofer 8 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
- Limited linear excursion (Xmax: 3.91 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) | 5.0 Liters |
| Tuning Frequency (Fb) | 110.1 Hz |
| F3 (-3 dB Cutoff) | 107.9 Hz |
| F6 / F10 Extension | 96.1 Hz / 84.4 Hz |
| Port Inner Diameter | Ø 6.8 cm |
| Port Physical Length | 13.1 cm |
| First Pipe Resonance | 1313.0 Hz |
| Estimated MOL @ F3 | 113.7 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 2.3 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 200.8 Hz |
| F3 (-3 dB Cutoff) | 190.3 Hz |
| F6 / F10 Extension | 144.3 Hz / 108.8 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 94.0 Hz |
| Total Q (Qts) | 0.32 |
| Electrical Q (Qes) | 0.345 |
| Mechanical Q (Qms) | 4.43 |
| Equivalent Volume (Vas) | 8.8 Liters |
| Diaphragm Area (Sd) | 201.0 cm² |
| DC Resistance (Re) | 6.0 Ω |
| Efficiency Bandwidth Product (EBP) | 272.5 |
| Linear Excursion (Xmax) | 3.9 mm |
| Thermal Power (Pe) | 200.0 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 Odeum Apollo 8N 8MB200N-8 8" Professional Neodymium Midbass Woofer 8 Ohm?
Load Forge's calculated alignment puts Dayton Audio Odeum Apollo 8N 8MB200N-8 8" Professional Neodymium Midbass Woofer 8 Ohm in a 5.0 liter vented enclosure tuned to 110.1 Hz, reaching an F3 cutoff of approximately 107.9 Hz.
Can Dayton Audio Odeum Apollo 8N 8MB200N-8 8" Professional Neodymium Midbass Woofer 8 Ohm be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 2.3 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 190.3 Hz.
What port dimensions should be used for Dayton Audio Odeum Apollo 8N 8MB200N-8 8" Professional Neodymium Midbass Woofer 8 Ohm to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 6.8 cm with a length of 13.1 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
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