P.Audio C12-500MB
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 47 Hz |
| Qts | 0.238 |
| Qes | 0.25 |
| Qms | 4.92 |
| Vas | 73 L |
| Sd | 550 cm² |
| Xmax | 4.5 mm |
| Re | 6 Ω |
| Bl | 21.7 T·m |
| Mms | 66.6 g |
| Pe | 500 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 188 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 9.3 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 |
|---|---|---|---|---|---|---|---|---|
| BMS 12N620 | 44.7 -2.3 | 0.25 +0.01 | 72.7 -0.3 | 5.5 +1 | 98 = | close | + | |
| Oberton 12B400 | 50.47 +3.47 | 0.249 +0.01 | 74.74 +1.74 | 5.25 +0.75 | 98 = | close | + | |
| P.Audio BM-12CX38 | 48 +1 | 0.221 -0.02 | 72.9 -0.1 | 4.5 = | 99.3 +1.3 | close | + | |
| Oberton 12B450 | 46.29 -0.71 | 0.235 = | 71.75 -1.25 | 7.75 +3.25 | 99 +1 | close | + | |
| B&C 12PLB76 | 50 +3 | 0.23 -0.01 | 75 +2 | 5 +0.5 | 99 +1 | close | 350 W vs 500 W: lower power handling | + |
| Oberton 12B401 | 46.63 -0.37 | 0.245 +0.01 | 69.6 -3.4 | 6.75 +2.25 | 97 -1 | close | + | |
| BMS 12N802 | 43 -4 | 0.24 = | 65 -8 | 4.5 = | 98 = | close | + | |
| Monacor SP-12/500FH | 45 -2 | 0.251 +0.01 | 76.2 +3.2 | 6.4 +1.9 | 98.2 +0.2 | close | + | |
| RCF LF12P903 | 47 = | 0.23 -0.01 | 65 -8 | 7 +2.5 | 97.8 -0.2 | close | + | |
| Faital PRO 12FH510 | 45 -2 | 0.24 = | 81.3 +8.3 | 7.5 +3 | 98 = | close | + |
Compare the closest 3 against the C12-500MB →
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.