Fertin Acoustics 46EX 07.5V
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 22.2 Hz |
| Qts | 0.24 |
| Qes | 0.25 |
| Qms | 5.87 |
| Vas | 667.7 L |
| Sd | 1101.5 cm² |
| Xmax | 3 mm |
| Re | 5 Ω |
| Bl | 19.1 T·m |
| Mms | 131.5 g |
| Pe | 100 W |
| Sensitivity | 98.6 dB |
Alignment hint
| EBP | 89 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 86.9 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 |
|---|---|---|---|---|---|---|---|---|
| McCauley B1860 | 23.9 +1.7 | 0.244 = | 723.6 +55.9 | 5.5 +2.5 | 99.1 +0.5 | close | + | |
| Altec 3184 | 24 +1.8 | 0.219 -0.02 | 690.9 +23.2 | 6.4 +3.4 | 98.5 -0.1 | close | + | |
| Great Plains Audio 3184 GPA | 24 +1.8 | 0.219 -0.02 | 690.9 +23.2 | 6.4 +3.4 | 98.5 -0.1 | close | + | |
| Monacor SP-495PA | 25 +2.8 | 0.286 +0.05 | 690 +22.3 | 4 +1 | 98.6 = | close | + | |
| RCF LP 18/551 | 21.7 -0.5 | 0.222 -0.02 | 760 +92.3 | 10 +7 | 98.8 +0.2 | close | + | |
| Fertin Acoustics 46EX 07.5V v2 | 23 +0.8 | 0.26 +0.02 | 500 -167.7 | 3 = | 97.2 -1.4 | usable | + | |
| Beyma 18GT200 v1 | 24.6 +2.4 | 0.213 -0.03 | 595 -72.7 | 5.8 +2.8 | 99.3 +0.7 | usable | + | |
| Electro-Voice DL18W | 25 +2.8 | 0.27 +0.03 | 543.7 -124 | 3.3 +0.3 | 97.9 -0.7 | usable | + | |
| JBL 2245H | 20 -2.2 | 0.24 = | 821.2 +153.5 | 8.5 +5.5 | 97.2 -1.4 | usable | + | |
| Eminence 111712 | 21.6 -0.6 | 0.288 +0.05 | 736.2 +68.5 | 5.8 +2.8 | 97.1 -1.5 | usable | + |
Compare the closest 3 against the 46EX 07.5V →
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.