BRAX DB_BRAX_GRAPHIC_GL6-MK2_Web
Best box: 24.5 L bass reflex tuned to 39.3 Hz · F3 39.3 Hz
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Comparable 6.5" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the BRAX DB_BRAX_GRAPHIC_GL6-MK2_Web 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) | 24.5 Liters |
| Tuning Frequency (Fb) | 39.3 Hz |
| F3 (-3 dB Cutoff) | 39.3 Hz |
| F6 / F10 Extension | 35.1 Hz / 31.9 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 12.0 cm |
| First Pipe Resonance | 1436.0 Hz |
| Estimated MOL @ F3 | 107.6 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 19.2 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 68.8 Hz |
| F3 (-3 dB Cutoff) | 115.3 Hz |
| F6 / F10 Extension | 76.8 Hz / 49.7 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 52.0 Hz |
| Total Q (Qts) | 0.52 |
| Electrical Q (Qes) | 0.569 |
| Mechanical Q (Qms) | 6.0 |
| Equivalent Volume (Vas) | 16.3 Liters |
| Diaphragm Area (Sd) | 139.0 cm² |
| DC Resistance (Re) | 3.0 Ω |
| Efficiency Bandwidth Product (EBP) | 91.3 |
| Linear Excursion (Xmax) | 4.0 mm |
| Thermal Power (Pe) | N/A 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 BRAX DB_BRAX_GRAPHIC_GL6-MK2_Web?
Load Forge's calculated alignment puts BRAX DB_BRAX_GRAPHIC_GL6-MK2_Web in a 24.5 liter vented enclosure tuned to 39.3 Hz, reaching an F3 cutoff of approximately 39.3 Hz.
Can BRAX DB_BRAX_GRAPHIC_GL6-MK2_Web be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 19.2 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 115.3 Hz.
What port dimensions should be used for BRAX DB_BRAX_GRAPHIC_GL6-MK2_Web to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 12.0 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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