Visaton BGS 40 v1
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 38 Hz |
| Qts | 0.306 |
| Qes | 0.4 |
| Qms | 1.3 |
| Vas | 263 L |
| Sd | 855 cm² |
| Xmax | 4.6 mm |
| Re | 6.5 Ω |
| Bl | 16.3 T·m |
| Mms | 68.4 g |
| Pe | 200 W |
| Sensitivity | 98.5 dB |
Alignment hint
| EBP | 95 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 60.6 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 |
|---|---|---|---|---|---|---|---|---|
| RCF L 15/542K | 36 -2 | 0.3 -0.01 | 250 -13 | 5 +0.4 | 98.8 +0.3 | close | + | |
| Beyma 15MI100 v2014 | 37 -1 | 0.287 -0.02 | 264 +1 | 4.5 -0.1 | 99.6 +1.1 | close | Xmax 4.5 mm < 4.6 mm: lower excursion-limited SPL | + |
| Beyma 15XA38Nd v2020 | 38 = | 0.296 -0.01 | 238 -25 | 6 +1.4 | 99 +0.5 | close | + | |
| Eminence OMEGA PRO 15 A | 33 -5 | 0.312 +0.01 | 258.5 -4.5 | 4.8 +0.2 | 98.3 -0.2 | close | + | |
| Eminence OMEGA 15 A | 33 -5 | 0.312 +0.01 | 258 -5 | 4.8 +0.2 | 98.3 -0.2 | close | + | |
| Faital PRO 15PR400 | 35 -3 | 0.31 = | 248.9 -14.1 | 5.75 +1.15 | 99 +0.5 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Monacor SP-15A/402PA | 36 -2 | 0.316 +0.01 | 235 -28 | 5 +0.4 | 98.1 -0.4 | close | + | |
| Max Speaker PR1566 | 36 -2 | 0.296 -0.01 | 262 -1 | 8.6 +4 | 99.1 +0.6 | close | + | |
| Eminence KAPPA 15 | 36 -2 | 0.301 -0.01 | 278 +15 | 5.5 +0.9 | 100.1 +1.6 | close | + | |
| Beyma SM115 v2 | 35 -3 | 0.315 +0.01 | 276 +13 | 7.3 +2.7 | 98.4 -0.1 | close | + |
Compare the closest 3 against the BGS 40 v1 →
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.