B&C 15 NDL 76
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 37 Hz |
| Qts | 0.228 |
| Qes | 0.24 |
| Qms | 4.5 |
| Vas | 195 L |
| Sd | 855 cm² |
| Xmax | 6 mm |
| Re | 5.3 Ω |
| Bl | 22.3 T·m |
| Mms | 97.2 g |
| Pe | 500 W |
| Sensitivity | 99.9 dB |
Alignment hint
| EBP | 154 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 22.6 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 15NDL76 | 37 = | 0.22 -0.01 | 195 = | 7 +1 | 99.5 -0.4 | close | + | |
| PHL Audio 5051 | 37 = | 0.245 +0.02 | 190 -5 | 5.9 -0.1 | 99.2 -0.7 | close | Xmax 5.9 mm < 6 mm: lower excursion-limited SPL | + |
| DAS Audio 15GN | 36 -1 | 0.213 -0.02 | 197 +2 | 6 = | 99.2 -0.7 | close | + | |
| RCF MB 15N351 | 42 +5 | 0.226 = | 191 -4 | 6 = | 101.2 +1.3 | close | + | |
| 18 Sound 15ND930 | 36 -1 | 0.22 -0.01 | 206 +11 | 7.5 +1.5 | 98 -1.9 | close | + | |
| PHL Audio 5140 | 38 +1 | 0.245 +0.02 | 180 -15 | 5.7 -0.3 | 100.6 +0.7 | close | Xmax 5.7 mm < 6 mm: lower excursion-limited SPL | + |
| Celestion FTR15-4080F-Bis | 35 -2 | 0.243 +0.01 | 182.8 -12.2 | 6 = | 98.3 -1.6 | close | + | |
| PHL Audio 5030 | 40 +3 | 0.236 +0.01 | 180 -15 | 5.4 -0.6 | 100.2 +0.3 | close | Xmax 5.4 mm < 6 mm: lower excursion-limited SPL | + |
| PHL Audio 5050 | 38 +1 | 0.254 +0.03 | 180 -15 | 5.9 -0.1 | 99.2 -0.7 | close | Xmax 5.9 mm < 6 mm: lower excursion-limited SPL | + |
| Electro-Voice EVX-155 | 35.4 -1.6 | 0.212 -0.02 | 220 +25 | 6.4 +0.4 | 100.5 +0.6 | close | + |
Compare the closest 3 against the 15 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.