B&C 15 PLB 76 v2015
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 42 Hz |
| Qts | 0.249 |
| Qes | 0.26 |
| Qms | 5.9 |
| Vas | 164 L |
| Sd | 855 cm² |
| Xmax | 4.9 mm |
| Re | 5 Ω |
| Bl | 21.3 T·m |
| Mms | 89.7 g |
| Pe | 400 W |
| Sensitivity | 100.7 dB |
Alignment hint
| EBP | 162 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 23.2 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 15 PLB 74 | 42 = | 0.249 = | 164 = | 4.9 = | 100.7 = | close | + | |
| B&C 15PLB76 | 42 = | 0.25 = | 164 = | 5 +0.1 | 100 -0.7 | close | + | |
| B&C 15 PLB 76 | 42 = | 0.249 = | 154 -10 | 4.8 -0.1 | 100.4 -0.3 | close | Xmax 4.8 mm < 4.9 mm: lower excursion-limited SPL | + |
| Beyma 15P80/FE | 41 -1 | 0.236 -0.01 | 159.3 -4.7 | 6.6 +1.7 | 100.6 -0.1 | close | + | |
| Radian 5215B oem2 | 42 = | 0.247 = | 197 +33 | 5.5 +0.6 | 100.6 -0.1 | close | + | |
| Radian 5215B oem3 | 42 = | 0.247 = | 197 +33 | 5.5 +0.6 | 100.6 -0.1 | close | + | |
| Fane CRESCENDO 15MB | 42 = | 0.232 -0.02 | 167 +3 | 4.3 -0.6 | 100.6 -0.1 | close | 300 W vs 400 W: lower power handling · Xmax 4.3 mm < 4.9 mm: lower excursion-limited SPL | + |
| B&C 15 CXN 88 | 40 -2 | 0.254 +0.01 | 178 +14 | 6 +1.1 | 100.4 -0.3 | close | + | |
| PD PD 158 | 39.9 -2.1 | 0.241 -0.01 | 161.9 -2.1 | 5.9 +1 | 99.4 -1.3 | close | + | |
| Precision Devices PD 158 | 39.9 -2.1 | 0.241 -0.01 | 161.9 -2.1 | 5.9 +1 | 99.4 -1.3 | close | + |
Compare the closest 3 against the 15 PLB 76 v2015 →
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.