B&C 14 NDL 76
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 41 Hz |
| Qts | 0.299 |
| Qes | 0.31 |
| Qms | 8.2 |
| Vas | 123 L |
| Sd | 707 cm² |
| Xmax | 6.5 mm |
| Re | 5 Ω |
| Bl | 18.9 T·m |
| Mms | 85.8 g |
| Pe | 500 W |
| Sensitivity | 98.4 dB |
Alignment hint
| EBP | 132 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 26.8 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 15LW1402 | 42 +1 | 0.28 -0.02 | 126 +3 | 7 +0.5 | 98.4 = | close | + | |
| PHL Audio 6251MND | 39 -2 | 0.293 -0.01 | 120 -3 | 7.4 +0.9 | 97.4 -1 | close | + | |
| PHL Audio 6252MND | 39 -2 | 0.293 -0.01 | 120 -3 | 7.4 +0.9 | 97.4 -1 | close | + | |
| Oberton 15NXL701 | 43.4 +2.4 | 0.3 = | 127.09 +4.09 | 9.25 +2.75 | 99 +0.6 | close | + | |
| RCF LF 15X401 v2013 | 41.8 +0.8 | 0.313 +0.01 | 116.4 -6.6 | 8.7 +2.2 | 98.1 -0.3 | close | + | |
| RCF MB 15H401 | 44 +3 | 0.3 = | 121 -2 | 5.7 -0.8 | 98.8 +0.4 | close | Xmax 5.7 mm < 6.5 mm: lower excursion-limited SPL | + |
| 18 Sound 15LW2400 | 40 -1 | 0.3 = | 131 +8 | 10 +3.5 | 97 -1.4 | close | + | |
| B&C 15CL76 | 42 +1 | 0.33 +0.03 | 135 +12 | 7 +0.5 | 98.5 +0.1 | close | + | |
| Sica 15 PF 3 | 45 +4 | 0.31 +0.01 | 117.6 -5.4 | 8 +1.5 | 99.1 +0.7 | close | + | |
| Faital PRO 15HP1020 | 40 -1 | 0.27 -0.03 | 126.6 +3.6 | 9 +2.5 | 98 -0.4 | close | + |
Compare the closest 3 against the 14 NDL 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.