Fertin Acoustics 30EX-12.5V
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 42 Hz |
| Qts | 0.108 |
| Qes | 0.11 |
| Qms | 6 |
| Vas | 76 L |
| Sd | 491.1 cm² |
| Xmax | 1.1 mm |
| Re | 6 Ω |
| Bl | 30.3 T·m |
| Mms | 63.9 g |
| Pe | 40 W |
| Sensitivity | 100.3 dB |
Alignment hint
| EBP | 382 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 1.8 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 |
|---|---|---|---|---|---|---|---|---|
| Fertin Acoustics 30EX-10V | 42 = | 0.156 +0.05 | 76 = | 1.4 +0.3 | 98.7 -1.6 | usable | + | |
| Oberton 12NMB600 | 41.03 -0.97 | 0.134 +0.03 | 70.8 -5.2 | 5.25 +4.15 | 99 -1.3 | usable | + | |
| RCF L12P110K | 44 +2 | 0.13 +0.02 | 98 +22 | 3 +1.9 | 99.6 -0.7 | usable | + | |
| Ciare M320.75 C/Fx - 04 | 40 -2 | 0.121 +0.01 | 106 +30 | 2 +0.9 | 103.1 +2.8 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| TAD TM-1201 | 52 +10 | 0.136 +0.03 | 63 -13 | 1.3 +0.2 | 101.5 +1.2 | usable | + | |
| TAD TM-1201 H | 52 +10 | 0.136 +0.03 | 63 -13 | 1.3 +0.2 | 101.5 +1.2 | usable | + | |
| RCF L 12P110K | 44 +2 | 0.136 +0.03 | 98 +22 | 3 +1.9 | 101.3 +1 | usable | + | |
| BMS 12N810 | 40.7 -1.3 | 0.16 +0.05 | 89.6 +13.6 | 2.5 +1.4 | 100 -0.3 | usable | + | |
| 18 Sound 12ND610 | 46 +4 | 0.14 +0.03 | 94.4 +18.4 | 3.5 +2.4 | 102 +1.7 | usable | + | |
| B&C 12 NW 76 | 40 -2 | 0.163 +0.06 | 76 = | 4.8 +3.7 | 98.3 -2 | usable | + |
Compare the closest 3 against the 30EX-12.5V →
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.