Fountek FW300DV
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 39 Hz |
| Qts | 0.49 |
| Qes | 0.584 |
| Qms | 3.032 |
| Vas | 39.6 L |
| Sd | 530.9 cm² |
| Xmax | 4.6 mm |
| Re | 3.1 Ω |
| Bl | 14.7 T·m |
| Mms | 166.2 g |
| Pe | 300 W |
| Sensitivity | 92.1 dB |
Alignment hint
| EBP | 67 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 36.6 L |
EBP 50-100: works in either a sealed or ported alignment.
Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.
Substitute candidates
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| DLS OA12D | 37.8 -1.2 | 0.49 = | 48 +8.4 | 5.2 +0.6 | 92.1 = | close | 210 W vs 300 W: lower power handling | + |
| Dayton Audio TITANIC | 36.3 -2.7 | 0.506 +0.02 | 44 +4.4 | 7.4 +2.8 | 92 -0.1 | close | + | |
| Massive Audio REBEL 124 | 32.6 -6.4 | 0.485 -0.01 | 38 -1.6 | 7.1 +2.5 | 92.4 +0.3 | close | 2 Ω vs 4 Ω: amp load changes | + |
| Pioneer TS-W307D4 | 34.8 -4.2 | 0.52 +0.03 | 40.9 +1.3 | 7.4 +2.8 | 91.3 -0.8 | close | + | |
| Fountek FW322 - 8 Ohms | 40.1 +1.1 | 0.461 -0.03 | 53 +13.4 | 5 +0.4 | 91 -1.1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Gladen SQX12 | 36.7 -2.3 | 0.405 -0.08 | 40.9 +1.3 | 7 +2.4 | 92.6 +0.5 | close | + | |
| DC Audio LV4 D2 | 35.9 -3.1 | 0.5 +0.01 | 30.6 -9 | 11 +6.4 | 92.2 +0.1 | usable | + | |
| Pioneer TS-W3003D4 | 35 -4 | 0.588 +0.1 | 34.6 -5 | 6.2 +1.6 | 91.8 -0.3 | usable | + | |
| Polk Audio MM1240 | 35 -4 | 0.53 +0.04 | 38 -1.6 | 25 +20.4 | 92 -0.1 | usable | + | |
| Focal 33K | 38.4 -0.6 | 0.415 -0.08 | 51.1 +11.5 | 5.9 +1.3 | 93.5 +1.4 | usable | + |
Compare the closest 3 against the FW300DV →
Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.
Used in enclosures (0)
No enclosure in the catalog uses this driver yet.