P.Audio C12-300MB v2012
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 41 Hz |
| Qts | 0.265 |
| Qes | 0.28 |
| Qms | 4.92 |
| Vas | 99.2 L |
| Sd | 510 cm² |
| Xmax | 3.5 mm |
| Re | 5.4 Ω |
| Bl | 16.6 T·m |
| Mms | 55.4 g |
| Pe | 300 W |
| Sensitivity | 97.6 dB |
Alignment hint
| EBP | 146 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 16.2 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 |
|---|---|---|---|---|---|---|---|---|
| PD PD 912 | 41.3 +0.3 | 0.253 -0.01 | 97.9 -1.3 | 5 +1.5 | 96.7 -0.9 | close | + | |
| Precision Devices PD 912 | 41.3 +0.3 | 0.253 -0.01 | 97.9 -1.3 | 5 +1.5 | 96.7 -0.9 | close | + | |
| Precision Devices PD912 | 41.29 +0.29 | 0.25 -0.02 | 97.87 -1.33 | 5 +1.5 | 97 -0.6 | close | + | |
| Beyma SM112 | 45 +4 | 0.262 = | 101 +1.8 | 4.8 +1.3 | 98.3 +0.7 | close | + | |
| Beyma 12K200 v2 | 43 +2 | 0.276 +0.01 | 96.2 -3 | 4.5 +1 | 96.6 -1 | close | + | |
| SB Audience 12MW300 | 43 +2 | 0.264 = | 104 +4.8 | 5.6 +2.1 | 98.7 +1.1 | close | + | |
| Beyma 12G125 | 41 = | 0.269 = | 122 +22.8 | 4 +0.5 | 97.2 -0.4 | close | 125 W vs 300 W: lower power handling | + |
| Beyma 12CXA400Nd | 45 +4 | 0.268 = | 102.2 +3 | 6 +2.5 | 98 +0.4 | close | + | |
| Beyma 12"WR400 | 42 +1 | 0.27 +0.01 | 91 -8.2 | 6.3 +2.8 | 97 -0.6 | close | + | |
| Ciare PW320 | 40 -1 | 0.258 -0.01 | 106 +6.8 | 3 -0.5 | 96.8 -0.8 | close | 150 W vs 300 W: lower power handling · Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the C12-300MB v2012 →
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.