B&C 12 HPL 64-4 v2015
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 50 Hz |
| Qts | 0.321 |
| Qes | 0.34 |
| Qms | 5.8 |
| Vas | 92.3 L |
| Sd | 522 cm² |
| Xmax | 4 mm |
| Re | 3.4 Ω |
| Bl | 11.5 T·m |
| Mms | 41.9 g |
| Pe | 200 W |
| Sensitivity | 101 dB |
Alignment hint
| EBP | 147 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 24 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 12 HPL 64-4 | 50 = | 0.296 -0.03 | 85 -7.3 | 4 = | 100.4 -0.6 | close | + | |
| B&C 12 HPL 64 | 52 +2 | 0.316 -0.01 | 85 -7.3 | 4 = | 98.7 -2.3 | close | 8 Ω vs 4 Ω: amp load changes | + |
| P.Audio SN-12MB | 50 = | 0.296 -0.03 | 95.3 +3 | 5 +1 | 99.3 -1.7 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Eminence KappaLITE 3012HO | 52 +2 | 0.32 = | 81.1 -11.2 | 6.2 +2.2 | 100.5 -0.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Faital PRO 12PR300 | 50 = | 0.36 +0.04 | 92.6 +0.3 | 4.92 +0.92 | 99 -2 | close | 8 Ω vs 4 Ω: amp load changes | + |
| 18 Sound 12MB606 | 50 = | 0.323 = | 84 -8.3 | 6.4 +2.4 | 98.3 -2.7 | close | 8 Ω vs 4 Ω: amp load changes | + |
| 18 Sound 12ND710 | 53 +3 | 0.29 -0.03 | 85 -7.3 | 5 +1 | 101 = | close | 16 Ω vs 4 Ω: amp load changes | + |
| RCF MB 12N251 | 50 = | 0.338 +0.02 | 83 -9.3 | 5 +1 | 98.5 -2.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Eminence KAPPALITE 3012 H0 | 51.5 +1.5 | 0.318 = | 81.1 -11.2 | 5.8 +1.8 | 98.9 -2.1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Celestion K12-100 | 51 +1 | 0.325 = | 100 +7.7 | 3.2 -0.8 | 99.5 -1.5 | close | 8 Ω vs 4 Ω: amp load changes · 100 W vs 200 W: lower power handling · Xmax 3.2 mm < 4 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 12 HPL 64-4 v2015 →
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.