Visaton 292-678
Best box: 6.2 L bass reflex tuned to 70.5 Hz · F3 110.2 Hz
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Comparable 5.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Visaton 292-678 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) | 6.2 Liters |
| Tuning Frequency (Fb) | 70.5 Hz |
| F3 (-3 dB Cutoff) | 110.2 Hz |
| F6 / F10 Extension | 95.9 Hz / 78.0 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 15.5 cm |
| First Pipe Resonance | 1108.0 Hz |
| Estimated MOL @ F3 | 105.5 dB SPL |
Sealed (Acoustic Suspension) — compromise
SUITS INFINITE / OPEN BAFFLEWith Qts 1.08 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 1.527; for a flat response this driver is better used on an infinite (IB) or open baffle.
| Net Box Volume (Vb) | 7.7 Liters |
| System Q (Qtc) | 1.527 (above Butterworth: Qtc cannot fall below Qts (1.08)) |
| System Resonance (Fc) | 117.4 Hz |
| F3 (-3 dB Cutoff) | 97.8 Hz |
| F6 / F10 Extension | 84.9 Hz / 71.0 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 83.0 Hz |
| Total Q (Qts) | 1.08 |
| Electrical Q (Qes) | 1.558 |
| Mechanical Q (Qms) | 3.52 |
| Equivalent Volume (Vas) | 7.7 Liters |
| Diaphragm Area (Sd) | 90.0 cm² |
| DC Resistance (Re) | 7.7 Ω |
| Efficiency Bandwidth Product (EBP) | 53.3 |
| Linear Excursion (Xmax) | 4.0 mm |
| Thermal Power (Pe) | 40.0 W |
| Nominal Diameter | 5.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Visaton 292-678?
Load Forge's calculated alignment puts Visaton 292-678 in a 6.2 liter vented enclosure tuned to 70.5 Hz, reaching an F3 cutoff of approximately 110.2 Hz.
Can Visaton 292-678 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 7.7 liters with a Qtc of 1.527 (above Butterworth: Qtc cannot fall below Qts (1.08)), the system exhibits an F3 of 97.8 Hz.
What port dimensions should be used for Visaton 292-678 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 15.5 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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