B&C 15 NBX 100
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 36 Hz |
| Qts | 0.289 |
| Qes | 0.31 |
| Qms | 4.2 |
| Vas | 125 L |
| Sd | 855 cm² |
| Xmax | 7.9 mm |
| Re | 5.1 Ω |
| Bl | 24.4 T·m |
| Mms | 160.2 g |
| Pe | 1000 W |
| Sensitivity | 96.7 dB |
Alignment hint
| EBP | 116 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 25.1 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 15NBX100 | 36 = | 0.29 = | 125 = | 10 +2.1 | 97 +0.3 | close | + | |
| Beyma 15LEX1200Nd | 36 = | 0.3 +0.01 | 127 +2 | 11 +3.1 | 97 +0.3 | close | + | |
| BMS 15S435 | 38 +2 | 0.28 -0.01 | 129 +4 | 8 +0.1 | 97 +0.3 | close | + | |
| BMS 15N840V2-8 | 35.6 -0.4 | 0.268 -0.02 | 130 +5 | 8.7 +0.8 | 97.2 +0.5 | close | + | |
| B&C 15 TBX 100 | 35 -1 | 0.284 -0.01 | 113 -12 | 7.6 -0.3 | 96 -0.7 | close | Xmax 7.6 mm < 7.9 mm: lower excursion-limited SPL | + |
| Oberton 15XB1000 | 37.2 +1.2 | 0.283 -0.01 | 111.02 -13.98 | 9 +1.1 | 97 +0.3 | close | + | |
| B&C 15TBX100 | 35 -1 | 0.28 -0.01 | 113 -12 | 9 +1.1 | 96 -0.7 | close | + | |
| PHL Audio 6251MND | 39 +3 | 0.293 = | 120 -5 | 7.4 -0.5 | 97.4 +0.7 | close | Xmax 7.4 mm < 7.9 mm: lower excursion-limited SPL | + |
| PHL Audio 6252MND | 39 +3 | 0.293 = | 120 -5 | 7.4 -0.5 | 97.4 +0.7 | close | Xmax 7.4 mm < 7.9 mm: lower excursion-limited SPL | + |
| B&C 15 TBX 40 | 38 +2 | 0.277 -0.01 | 131 +6 | 7.8 -0.1 | 97.8 +1.1 | close | Xmax 7.8 mm < 7.9 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 15 NBX 100 →
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.