Tang Band 264-9004
Best box: 26.5 L bass reflex tuned to 45.8 Hz · F3 47.8 Hz
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Comparable 8.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Tang Band 264-9004 does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 26.5 Liters |
| Tuning Frequency (Fb) | 45.8 Hz |
| F3 (-3 dB Cutoff) | 47.8 Hz |
| F6 / F10 Extension | 41.6 Hz / 36.1 Hz |
| Port Inner Diameter | Ø 6.8 cm |
| Port Physical Length | 14.7 cm |
| First Pipe Resonance | 1168.0 Hz |
| Estimated MOL @ F3 | 104.1 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 12.1 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 83.7 Hz |
| F3 (-3 dB Cutoff) | 84.7 Hz |
| F6 / F10 Extension | 64.1 Hz / 48.3 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 38.0 Hz |
| Total Q (Qts) | 0.31 |
| Electrical Q (Qes) | 0.363 |
| Mechanical Q (Qms) | 2.14 |
| Equivalent Volume (Vas) | 51.0 Liters |
| Diaphragm Area (Sd) | 220.0 cm² |
| DC Resistance (Re) | 3.6 Ω |
| Efficiency Bandwidth Product (EBP) | 104.8 |
| Linear Excursion (Xmax) | 6.0 mm |
| Thermal Power (Pe) | 50.0 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 Tang Band 264-9004?
Load Forge's calculated alignment puts Tang Band 264-9004 in a 26.5 liter vented enclosure tuned to 45.8 Hz, reaching an F3 cutoff of approximately 47.8 Hz.
Can Tang Band 264-9004 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 12.1 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 84.7 Hz.
What port dimensions should be used for Tang Band 264-9004 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 6.8 cm with a length of 14.7 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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