P.Audio BM-15LF
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 47 Hz |
| Qts | 0.668 |
| Qes | 0.71 |
| Qms | 11.34 |
| Vas | 123.4 L |
| Sd | 829 cm² |
| Xmax | 7.1 mm |
| Re | 5.1 Ω |
| Bl | 13.8 T·m |
| Mms | 89.6 g |
| Pe | 500 W |
| Sensitivity | 96.5 dB |
Alignment hint
| EBP | 66 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 1024 L |
EBP 50-100: works in either a sealed or ported 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 |
|---|---|---|---|---|---|---|---|---|
| Faital PRO 15FH520 | 42 -5 | 0.62 -0.05 | 134.2 +10.8 | 9 +1.9 | 97 +0.5 | close | 16 Ω vs 8 Ω: amp load changes | + |
| SB Audience BIANCO-15OB350 | 41 -6 | 0.697 +0.03 | 134.8 +11.4 | 6.5 -0.6 | 93.4 -3.1 | usable | 350 W vs 500 W: lower power handling · Xmax 6.5 mm < 7.1 mm: lower excursion-limited SPL | + |
| DAP Audio AB-15 | 46.7 -0.3 | 0.546 -0.12 | 122.3 -1.1 | 5.5 -1.6 | 95.4 -1.1 | usable | Xmax 5.5 mm < 7.1 mm: lower excursion-limited SPL | + |
| Focal 38KXSPL | 45.8 -1.2 | 0.55 -0.12 | 116.4 -7 | 5.5 -1.6 | 98 +1.5 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 5.5 mm < 7.1 mm: lower excursion-limited SPL | + |
| Beyma 15MCS500 | 46 -1 | 0.48 -0.19 | 134 +10.6 | 8 +0.9 | 98 +1.5 | usable | + | |
| Eminence DEFINIMAX 4015 LF | 42 -5 | 0.5 -0.17 | 115.5 -7.9 | 9 +1.9 | 96 -0.5 | usable | + | |
| Beyma 15CM V2 | 49 +2 | 0.49 -0.18 | 104 -19.4 | 7 -0.1 | 97 +0.5 | usable | 350 W vs 500 W: lower power handling · Xmax 7 mm < 7.1 mm: lower excursion-limited SPL | + |
| the box Speaker 15-300/8-A | 52.6 +5.6 | 0.64 -0.03 | 100.3 -23.1 | 4.6 -2.5 | 96.8 +0.3 | usable | 300 W vs 500 W: lower power handling · Xmax 4.6 mm < 7.1 mm: lower excursion-limited SPL | + |
| SB Audience BIANCO-15MW200 | 44 -3 | 0.586 -0.08 | 153 +29.6 | 5.2 -1.9 | 96 -0.5 | usable | 200 W vs 500 W: lower power handling · Xmax 5.2 mm < 7.1 mm: lower excursion-limited SPL | + |
| Beyma 15MCS500-8 | 46 -1 | 0.47 -0.2 | 133.5 +10.1 | 6.5 -0.6 | 97.5 +1 | usable | Xmax 6.5 mm < 7.1 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the BM-15LF →
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.