Eminence LEGEND 1058
Best box: 21.1 L bass reflex tuned to 82.5 Hz · F3 122.0 Hz
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Comparable 10.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Eminence LEGEND 1058 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
- Xmax is not published, so the port size is an empirical estimate (area ≥ 12 in² per ft³ of net volume, minimum by driver size), not a displacement calculation. Check air velocity in Load Forge Studio.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 21.1 Liters |
| Tuning Frequency (Fb) | 82.5 Hz |
| F3 (-3 dB Cutoff) | 122.0 Hz |
| F6 / F10 Extension | 106.8 Hz / 87.3 Hz |
| Port Inner Diameter ESTIMATED | Ø 10.0 cm |
| Port Physical Length | 9.2 cm |
| First Pipe Resonance | 1861.0 Hz |
| Estimated MOL @ F3 | 116.5 dB SPL |
Sealed (Acoustic Suspension) — compromise
SUITS INFINITE / OPEN BAFFLEWith Qts 1.13 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 1.598; for a flat response this driver is better used on an infinite (IB) or open baffle.
| Net Box Volume (Vb) | 26.4 Liters |
| System Q (Qtc) | 1.598 (above Butterworth: Qtc cannot fall below Qts (1.13)) |
| System Resonance (Fc) | 137.2 Hz |
| F3 (-3 dB Cutoff) | 106.0 Hz |
| F6 / F10 Extension | 92.2 Hz / 77.2 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 97.0 Hz |
| Total Q (Qts) | 1.13 |
| Electrical Q (Qes) | 1.207 |
| Mechanical Q (Qms) | 17.78 |
| Equivalent Volume (Vas) | 26.4 Liters |
| Diaphragm Area (Sd) | 344.9 cm² |
| DC Resistance (Re) | 7.49 Ω |
| Efficiency Bandwidth Product (EBP) | 80.4 |
| Linear Excursion (Xmax) | N/A mm |
| Thermal Power (Pe) | 75.0 W |
| Nominal Diameter | 10.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Eminence LEGEND 1058?
Load Forge's calculated alignment puts Eminence LEGEND 1058 in a 21.1 liter vented enclosure tuned to 82.5 Hz, reaching an F3 cutoff of approximately 122.0 Hz.
Can Eminence LEGEND 1058 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 26.4 liters with a Qtc of 1.598 (above Butterworth: Qtc cannot fall below Qts (1.13)), the system exhibits an F3 of 106.0 Hz.
What port dimensions should be used for Eminence LEGEND 1058 to avoid port chuffing?
Xmax is not published for Eminence LEGEND 1058, so the port is an empirical estimate: a 10.0 cm diameter with a length of 9.2 cm (area at least 12 in² per ft³ of net volume). Check the air velocity at your power level in Load Forge Studio.
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