Fertin Acoustics 30AP
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 42 Hz |
| Qts | 0.282 |
| Qes | 0.29 |
| Qms | 9.7 |
| Vas | 101 L |
| Sd | 491.1 cm² |
| Xmax | 2 mm |
| Re | 6.12 Ω |
| Bl | 16.4 T·m |
| Mms | 48.1 g |
| Pe | 30 W |
| Sensitivity | 97.3 dB |
Alignment hint
| EBP | 145 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 19.1 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 30S | 42 = | 0.282 = | 101 = | 2 = | 97.2 -0.1 | close | + | |
| P.Audio C12-300MB v2012 | 41 -1 | 0.265 -0.02 | 99.2 -1.8 | 3.5 +1.5 | 97.6 +0.3 | close | + | |
| Beyma 12K200 v2 | 43 +1 | 0.276 -0.01 | 96.2 -4.8 | 4.5 +2.5 | 96.6 -0.7 | close | + | |
| Eminence KL3012CX-8 | 42 = | 0.299 +0.02 | 111.5 +10.5 | 3.7 +1.7 | 97.7 +0.4 | close | + | |
| Supravox 285 GMF vp richard | 40 -2 | 0.298 +0.02 | 108 +7 | 3.7 +1.7 | 97.1 -0.2 | close | + | |
| Ciare PW320 | 40 -2 | 0.258 -0.02 | 106 +5 | 3 +1 | 96.8 -0.5 | close | + | |
| Monacor SP-30PACT | 47 +5 | 0.277 = | 107 +6 | 2 = | 99.5 +2.2 | close | + | |
| Monacor SP-30PATC | 47 +5 | 0.277 = | 107 +6 | 2 = | 99.5 +2.2 | close | + | |
| Beyma 12WR400 | 42 = | 0.285 = | 91.1 -9.9 | 6.3 +4.3 | 96.9 -0.4 | close | + | |
| PHL Audio 4550 | 45 +3 | 0.289 +0.01 | 106 +5 | 4 +2 | 98.3 +1 | close | + |
Compare the closest 3 against the 30AP →
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.