B&C 12 HPL 76
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 49 Hz |
| Qts | 0.236 |
| Qes | 0.26 |
| Qms | 2.5 |
| Vas | 91 L |
| Sd | 522 cm² |
| Xmax | 4 mm |
| Re | 5.7 Ω |
| Bl | 17.3 T·m |
| Mms | 44.3 g |
| Pe | 350 W |
| Sensitivity | 99.6 dB |
Alignment hint
| EBP | 188 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 11.4 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 |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 12MB650 | 48 -1 | 0.23 -0.01 | 90 -1 | 5.5 +1.5 | 98 -1.6 | close | + | |
| B&C 12 PL 32 | 49 = | 0.249 +0.01 | 97 +6 | 3.5 -0.5 | 100.2 +0.6 | close | Xmax 3.5 mm < 4 mm: lower excursion-limited SPL | + |
| B&C 12 PL 32 8 Ohms | 49 = | 0.249 +0.01 | 97 +6 | 3.5 -0.5 | 100.2 +0.6 | close | Xmax 3.5 mm < 4 mm: lower excursion-limited SPL | + |
| B&C 12 PLB 76 | 50 +1 | 0.229 -0.01 | 75 -16 | 4.4 +0.4 | 99.7 +0.1 | close | + | |
| RCF L 12G301 | 48 -1 | 0.219 -0.02 | 97 +6 | 5.6 +1.6 | 100.1 +0.5 | close | + | |
| B&C 12PLB76 | 50 +1 | 0.23 -0.01 | 75 -16 | 5 +1 | 99 -0.6 | close | + | |
| 18 Sound 12MB700 | 46 -3 | 0.25 +0.01 | 100 +9 | 4.5 +0.5 | 100.5 +0.9 | close | 16 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 12ND730 | 45 -4 | 0.23 -0.01 | 90 -1 | 6.5 +2.5 | 98 -1.6 | close | + | |
| Electro-Voice EVM-DL12X | 56 +7 | 0.24 = | 77.3 -13.7 | 4.1 +0.1 | 99.2 -0.4 | close | 150 W vs 350 W: lower power handling | + |
| PHL Audio 4050 | 49 = | 0.197 -0.04 | 84 -7 | 4.1 +0.1 | 100.1 +0.5 | close | + |
Compare the closest 3 against the 12 HPL 76 →
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.