Visaton BGS 40 v2
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40 Hz |
| Qts | 0.424 |
| Qes | 0.49 |
| Qms | 3.13 |
| Vas | 263 L |
| Sd | 855 cm² |
| Xmax | 5.7 mm |
| Re | 6.5 Ω |
| Bl | 14.3 T·m |
| Mms | 61.7 g |
| Pe | 200 W |
| Sensitivity | 98.2 dB |
Alignment hint
| EBP | 82 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 147.7 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 |
|---|---|---|---|---|---|---|---|---|
| DAS Audio 15L | 38 -2 | 0.418 -0.01 | 263 = | 6 +0.3 | 98.1 -0.1 | close | + | |
| DAS Audio 15P | 40 = | 0.422 = | 233 -30 | 6 +0.3 | 98.2 = | close | + | |
| Selenium 38GPT12 vp2 | 39.9 -0.1 | 0.469 +0.04 | 242.8 -20.2 | 5 -0.7 | 97.8 -0.4 | close | Xmax 5 mm < 5.7 mm: lower excursion-limited SPL | + |
| JBL MI-15A | 40 = | 0.421 = | 271.8 +8.8 | 4 -1.7 | 99.2 +1 | close | 150 W vs 200 W: lower power handling · Xmax 4 mm < 5.7 mm: lower excursion-limited SPL | + |
| Fane SOVEREIGN 15-600LF | 37 -3 | 0.388 -0.04 | 236 -27 | 6.9 +1.2 | 98.3 +0.1 | close | + | |
| Fane SOVEREIGN 15-600LF v2015 | 37 -3 | 0.388 -0.04 | 236 -27 | 6.9 +1.2 | 98.3 +0.1 | close | + | |
| Beyma 15CXA400Fe | 40 = | 0.419 -0.01 | 191 -72 | 6 +0.3 | 97.6 -0.6 | close | + | |
| Eminence Kl3015CX-8 vp | 38 -2 | 0.438 +0.01 | 219.7 -43.3 | 7.8 +2.1 | 97.5 -0.7 | close | + | |
| Eminence DELTA 15 LF-4 | 40 = | 0.488 +0.06 | 253.9 -9.1 | 6 +0.3 | 100.6 +2.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Beyma 15T100/N vp | 35 -5 | 0.455 +0.03 | 275 +12 | 6 +0.3 | 96.8 -1.4 | close | + |
Compare the closest 3 against the BGS 40 v2 →
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.