B&C 12NDL88-4
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 48 Hz |
| Qts | 0.24 |
| Qes | 0.249 |
| Qms | 6.8 |
| Vas | 57 L |
| Sd | 522 cm² |
| Xmax | 8 mm |
| Re | 3.1 Ω |
| Bl | 16.6 T·m |
| Mms | 73.6 g |
| Pe | 700 W |
| Sensitivity | 95.9 dB |
Alignment hint
| EBP | 193 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 7.4 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 12NDL88 | 48 = | 0.24 = | 57 = | 8 = | 97 +1.1 | close | + | |
| Beyma 12 P1000/Nd | 47 -1 | 0.26 +0.02 | 49 -8 | 8 = | 96 +0.1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Sica 12 S 4 PL | 40.4 -7.6 | 0.25 +0.01 | 57 = | 7.5 -0.5 | 95.5 -0.4 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 7.5 mm < 8 mm: lower excursion-limited SPL | + |
| Faital PRO 12FX600 | 48 = | 0.24 = | 44.4 -12.6 | 9.9 +1.9 | 97 +1.1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| SICA 12 K 4 PL 2000W | 48 = | 0.24 = | 46.3 -10.7 | 7 -1 | 94.9 -1 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 7 mm < 8 mm: lower excursion-limited SPL | + |
| Beyma 12MC700Nd | 51 +3 | 0.24 = | 58 +1 | 7 -1 | 99 +3.1 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 7 mm < 8 mm: lower excursion-limited SPL | + |
| Beyma 12P1000ND | 47 -1 | 0.26 +0.02 | 49 -8 | 8 = | 94.6 -1.3 | close | 8 Ω vs 4 Ω: amp load changes · 450 W vs 700 W: lower power handling | + |
| Beyma 12"LEX1300Nd | 45 -3 | 0.24 = | 43 -14 | 11 +3 | 96 +0.1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Sica 12 K 4 PL | 48.5 +0.5 | 0.25 +0.01 | 47.4 -9.6 | 7 -1 | 97.1 +1.2 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 7 mm < 8 mm: lower excursion-limited SPL | + |
| RCF LF12P903 | 47 -1 | 0.23 -0.01 | 65 +8 | 7 -1 | 97.8 +1.9 | close | 8 Ω vs 4 Ω: amp load changes · 500 W vs 700 W: lower power handling · Xmax 7 mm < 8 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 12NDL88-4 →
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.