P.Audio C12-300MB
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 50 Hz |
| Qts | 0.256 |
| Qes | 0.27 |
| Qms | 4.99 |
| Vas | 79.4 L |
| Sd | 550 cm² |
| Xmax | 3.5 mm |
| Re | 5.4 Ω |
| Bl | 18.4 T·m |
| Mms | 54.1 g |
| Pe | 300 W |
| Sensitivity | 99.3 dB |
Alignment hint
| EBP | 185 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 12 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 |
|---|---|---|---|---|---|---|---|---|
| Oberton 12L300 | 53.8 +3.8 | 0.254 = | 79.63 +0.23 | 3.25 -0.25 | 100.5 +1.2 | close | Xmax 3.25 mm < 3.5 mm: lower excursion-limited SPL | + |
| 18 Sound 12CX800 | 53 +3 | 0.253 = | 73 -6.4 | 4.7 +1.2 | 99.4 +0.1 | close | + | |
| Celestion TN1230 | 49 -1 | 0.266 +0.01 | 70.3 -9.1 | 3.8 +0.3 | 98.6 -0.7 | close | + | |
| Celestion TN1230 v2009 | 49 -1 | 0.266 +0.01 | 70.3 -9.1 | 3.8 +0.3 | 98.6 -0.7 | close | + | |
| Monacor SP-12/300NEO | 53 +3 | 0.252 = | 68 -11.4 | 3.5 = | 99.5 +0.2 | close | + | |
| Monacor SP-12A/300NEO | 53 +3 | 0.252 = | 68 -11.4 | 3.5 = | 99.5 +0.2 | close | + | |
| Oberton 12B400 | 50.47 +0.47 | 0.249 -0.01 | 74.74 -4.66 | 5.25 +1.75 | 98 -1.3 | close | + | |
| RCF MB 12G301 | 53 +3 | 0.264 +0.01 | 72 -7.4 | 4.8 +1.3 | 99.5 +0.2 | close | + | |
| B&C 12 PLB 76 | 50 = | 0.229 -0.03 | 75 -4.4 | 4.4 +0.9 | 99.7 +0.4 | close | + | |
| Electro-Voice EVM-DL12X | 56 +6 | 0.24 -0.02 | 77.3 -2.1 | 4.1 +0.6 | 99.2 -0.1 | close | 150 W vs 300 W: lower power handling | + |
Compare the closest 3 against the C12-300MB →
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.