All Comparisons
Down4sound PRO-FAB Birch FLAT PACK 12 | 1 12 Sub Box | DIY 12-Inch Ported Subwoofer Enclosure Box
Down4Sound
$139.99
View ProductVS
Subwoofer Spec Comparison
| Parameter | Down4sound PRO-FAB Birch FLAT PACK 12 | 1 12 Sub Box | DIY 12-Inch Ported Subwoofer Enclosure Box | VFL Comp Signature 15" Subwoofer |
|---|---|---|
| General | ||
| RMS Power | — | 5000 W |
| Electromechanical | ||
| Re (DC Resistance) | — | 2 Ω |
| Fs (Resonant Frequency) | 32 Hz | 34.5 Hz |
| Qts (Total Q) | — | 0.45 |
| Qes (Electrical Q) | — | 0.501 |
| Qms (Mechanical Q) | — | 4.41 |
| Physical / Acoustic | ||
| Vas (Eq. Compliance) | 68 L | 38.6 L |
| Xmax (Excursion) | — | 27.5 mm |
| Mms (Moving Mass) | — | 556.4 g |
| Sd (Cone Area) | 165.1 cm² | 77.9 cm² |
| BL (Force Factor) | — | 13.34 T·m |
| Sensitivity | — | 85.8 dB |
| EBP (Efficiency Bandwidth Product) | — | 68.862 |
| Ideal Enclosure | — | Flexible (Sealed or Ported) |