B&C 15 FW 76
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40 Hz |
| Qts | 0.211 |
| Qes | 0.22 |
| Qms | 5.1 |
| Vas | 138 L |
| Sd | 855 cm² |
| Xmax | 4.7 mm |
| Re | 5 Ω |
| Bl | 25.9 T·m |
| Mms | 117.6 g |
| Pe | 500 W |
| Sensitivity | 100.1 dB |
Alignment hint
| EBP | 182 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 13.5 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 15FW76 | 40 = | 0.21 = | 138 = | 7 +2.3 | 100 -0.1 | close | + | |
| PHL Audio 6051 | 39 -1 | 0.209 = | 135.6 -2.4 | 5.3 +0.6 | 100.5 +0.4 | close | + | |
| PHL Audio 6050 | 40 = | 0.209 = | 130 -8 | 5.1 +0.4 | 100.7 +0.6 | close | + | |
| Oberton 15XL601 | 40.9 +0.9 | 0.216 +0.01 | 150.32 +12.32 | 5.25 +0.55 | 100 -0.1 | close | + | |
| B&C 15 NW 76 | 42 +2 | 0.218 +0.01 | 130 -8 | 4.9 +0.2 | 100 -0.1 | close | + | |
| Oberton 15LX600 | 40.9 +0.9 | 0.216 +0.01 | 150.3 +12.3 | 5.3 +0.6 | 100.4 +0.3 | close | + | |
| PD PD 154 | 39 -1 | 0.206 -0.01 | 149 +11 | 4.6 -0.1 | 99.2 -0.9 | close | Xmax 4.6 mm < 4.7 mm: lower excursion-limited SPL | + |
| Precision Devices PD 154 | 39 -1 | 0.206 -0.01 | 149 +11 | 4.6 -0.1 | 99.2 -0.9 | close | Xmax 4.6 mm < 4.7 mm: lower excursion-limited SPL | + |
| B&C 15NW76 | 39 -1 | 0.21 = | 143 +5 | 8 +3.3 | 99 -1.1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| PD PD 153ER | 39 -1 | 0.219 +0.01 | 160 +22 | 4.8 +0.1 | 99.6 -0.5 | close | + |
Compare the closest 3 against the 15 FW 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.