DC Audio PS3 Subwoofers
Best box: 6.0 L sealed · Fc 56.0 Hz · F3 47.9 Hz
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Comparable 9.5" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the DC Audio PS3 Subwoofers 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.
- Straight vent would be 237.6 cm long: not physically buildable as a simple tube. Use a passive radiator, a folded slot port or model a 3D folded duct in Load Forge Studio.
Textbook Bass Reflex — not recommended
PORT NOT BUILDABLE| Net Box Volume (Vb) | 4.8 Liters |
| Tuning Frequency (Fb) | 33.7 Hz |
| F3 (-3 dB Cutoff) | 48.7 Hz |
| F6 / F10 Extension | 40.1 Hz / 30.6 Hz |
| Port Inner Diameter ESTIMATED | Ø 7.5 cm |
| Port Physical Length | 237.6 cm |
| First Pipe Resonance | 72.0 Hz |
Sealed (Acoustic Suspension) — compromise
SUITS INFINITE / OPEN BAFFLEWith Qts 0.703 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 0.994; for a flat response this driver is better used on an infinite (IB) or open baffle.
| Net Box Volume (Vb) | 6.0 Liters |
| System Q (Qtc) | 0.994 (above Butterworth) |
| System Resonance (Fc) | 56.0 Hz |
| F3 (-3 dB Cutoff) | 47.9 Hz |
| F6 / F10 Extension | 39.3 Hz / 31.4 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 39.6 Hz |
| Total Q (Qts) | 0.703 |
| Electrical Q (Qes) | 0.762 |
| Mechanical Q (Qms) | 9.11 |
| Equivalent Volume (Vas) | 6.0 Liters |
| Diaphragm Area (Sd) | 303.0 cm² |
| DC Resistance (Re) | 4.11 Ω |
| Efficiency Bandwidth Product (EBP) | 52.0 |
| Linear Excursion (Xmax) | N/A mm |
| Thermal Power (Pe) | N/A W |
| Nominal Diameter | 9.5" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for DC Audio PS3 Subwoofers?
A simple ported box is not recommended for DC Audio PS3 Subwoofers: the textbook alignment (4.8 liters tuned to 33.7 Hz) needs a 237.6 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 DC Audio PS3 Subwoofers be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 6.0 liters with a Qtc of 0.994 (above Butterworth), the system exhibits an F3 of 47.9 Hz.
What port dimensions should be used for DC Audio PS3 Subwoofers to avoid port chuffing?
A straight 7.5 cm port would need 237.6 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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