Acr Speaker c-1018-hw-curve
Best box: 93.9 L sealed · Fc 62.2 Hz · F3 49.9 Hz
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Comparable 10.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Acr Speaker c-1018-hw-curve does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
Textbook Bass Reflex — not recommended (5.9 dB bass hump)
PORT BUILDABLE| Net Box Volume (Vb) | 75.1 Liters |
| Tuning Frequency (Fb) | 37.4 Hz |
| F3 (-3 dB Cutoff) | 57.9 Hz |
| F6 / F10 Extension | 51.4 Hz / 42.9 Hz |
| Port Inner Diameter | Ø 6.8 cm |
| Port Physical Length | 5.5 cm |
| First Pipe Resonance | 3127.0 Hz |
| Estimated MOL @ F3 | 109.9 dB SPL |
Sealed (Acoustic Suspension) — compromise
SUITS INFINITE / OPEN BAFFLEWith Qts 1.38 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 1.952; for a flat response this driver is better used on an infinite (IB) or open baffle.
| Net Box Volume (Vb) | 93.9 Liters |
| System Q (Qtc) | 1.952 (above Butterworth: Qtc cannot fall below Qts (1.38)) |
| System Resonance (Fc) | 62.2 Hz |
| F3 (-3 dB Cutoff) | 49.9 Hz |
| F6 / F10 Extension | 44.1 Hz / 37.5 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 44.0 Hz |
| Total Q (Qts) | 1.38 |
| Electrical Q (Qes) | 1.884 |
| Mechanical Q (Qms) | 5.16 |
| Equivalent Volume (Vas) | 93.9 Liters |
| Diaphragm Area (Sd) | 353.0 cm² |
| DC Resistance (Re) | 5.6 Ω |
| Efficiency Bandwidth Product (EBP) | 23.4 |
| Linear Excursion (Xmax) | 4.2 mm |
| Thermal Power (Pe) | N/A 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 Acr Speaker c-1018-hw-curve?
A simple ported box is not recommended for Acr Speaker c-1018-hw-curve: the textbook alignment (75.1 liters tuned to 37.4 Hz) needs a 5.5 cm port, and no nearby retune stays buildable without a bass hump. A sealed box, a passive radiator or a folded duct is the practical choice.
Can Acr Speaker c-1018-hw-curve be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 93.9 liters with a Qtc of 1.952 (above Butterworth: Qtc cannot fall below Qts (1.38)), the system exhibits an F3 of 49.9 Hz.
What port dimensions should be used for Acr Speaker c-1018-hw-curve to avoid port chuffing?
A straight 6.8 cm port would need 5.5 cm of length, which does not fit a practical cabinet. Use a passive radiator or a folded/3D duct instead of a straight tube.
Shareable Acoustic Card for Forums & Social Media
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