Fertin Acoustics 30 MODEL 7
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 22 Hz |
| Qts | 0.098 |
| Qes | 0.1 |
| Qms | 4.6 |
| Vas | 336 L |
| Sd | 483 cm² |
| Xmax | 3 mm |
| Re | 6.2 Ω |
| Bl | 20.9 T·m |
| Mms | 50.9 g |
| Pe | 40 W |
| Sensitivity | 98.6 dB |
Alignment hint
| EBP | 220 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 6.6 L |
EBP > 100: favours a ported (bass-reflex) 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 |
|---|---|---|---|---|---|---|---|---|
| Audax HD33S66 | 24 +2 | 0.145 +0.05 | 338 +2 | 3.5 +0.5 | 98 -0.6 | usable | + | |
| Fertin Acoustics 30SM8 | 21.7 -0.3 | 0.146 +0.05 | 324 -12 | 3 = | 96.5 -2.1 | usable | + | |
| Fertin Acoustics 30EXM8 | 23.7 +1.7 | 0.147 +0.05 | 250 -86 | 3 = | 96.5 -2.1 | usable | + | |
| Focal AUDIOM 12A | 21.5 -0.5 | 0.165 +0.07 | 489 +153 | 4.5 +1.5 | 97.8 -0.8 | usable | + | |
| Monacor SPH-300TC v1 | 23 +1 | 0.198 +0.1 | 315 -21 | 4 +1 | 95.4 -3.2 | risky | + | |
| JBL 124A | 16 -6 | 0.137 +0.04 | 399.3 +63.3 | 5.1 +2.1 | 93.7 -4.9 | risky | + | |
| JBL 2203A | 16 -6 | 0.137 +0.04 | 399.3 +63.3 | 5.1 +2.1 | 93.7 -4.9 | risky | + | |
| JBL 2203H | 16 -6 | 0.137 +0.04 | 399.3 +63.3 | 5.1 +2.1 | 93.7 -4.9 | risky | + | |
| Pioneer A30GU30-55D | 24 +2 | 0.209 +0.11 | 277 -59 | 3.1 +0.1 | 97.9 -0.7 | risky | 4 Ω vs 8 Ω: amp load changes | + |
| Tannoy 3128 | 25 +3 | 0.195 +0.1 | 276 -60 | 3 = | 96.5 -2.1 | risky | + |
Compare the closest 3 against the 30 MODEL 7 →
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.