SB Acoustics SB42FHC75-6
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 22.5 Hz |
| Qts | 0.372 |
| Qes | 0.4 |
| Qms | 5.4 |
| Vas | 318 L |
| Sd | 850 cm² |
| Xmax | 10.1 mm |
| Re | 4.6 Ω |
| Bl | 16.1 T·m |
| Mms | 159.4 g |
| Pe | 300 W |
| Sensitivity | 94 dB |
Alignment hint
| EBP | 56 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 121.7 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 |
|---|---|---|---|---|---|---|---|---|
| Visaton TIW400 | 23 +0.5 | 0.348 -0.02 | 300 -18 | 10.6 +0.5 | 93.3 -0.7 | close | + | |
| Adire Audio TEMPEST DVC 4 Ohms config | 18.8 -3.7 | 0.377 +0.01 | 317 -1 | 8.2 -1.9 | 92.8 -1.2 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 8.2 mm < 10.1 mm: lower excursion-limited SPL | + |
| Visaton TIW 400-8 | 23 +0.5 | 0.35 -0.02 | 300 -18 | 27 +16.9 | 91.8 -2.2 | close | + | |
| JBL 2216ND (pour JBL 4367) | 28.3 +5.8 | 0.376 = | 333 +15 | 9.5 -0.6 | 96.3 +2.3 | usable | Xmax 9.5 mm < 10.1 mm: lower excursion-limited SPL | + |
| Focal 15K 8711 | 23.9 +1.4 | 0.362 -0.01 | 321.3 +3.3 | 6 -4.1 | 93.3 -0.7 | usable | 225 W vs 300 W: lower power handling · Xmax 6 mm < 10.1 mm: lower excursion-limited SPL | + |
| AE Speakers SBP15-4 | 21.3 -1.2 | 0.432 +0.06 | 364 +46 | 14 +3.9 | 95.4 +1.4 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| AE Speakers SBP15-8 | 21.3 -1.2 | 0.432 +0.06 | 364 +46 | 14 +3.9 | 92.3 -1.7 | usable | + | |
| Dayton Audio DCS385-4 | 17.5 -5 | 0.389 +0.02 | 311 -7 | 9.3 -0.8 | 91.8 -2.2 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 9.3 mm < 10.1 mm: lower excursion-limited SPL | + |
| Focal 15WX | 24.4 +1.9 | 0.353 -0.02 | 318.9 +0.9 | 6 -4.1 | 93.5 -0.5 | usable | 225 W vs 300 W: lower power handling · Xmax 6 mm < 10.1 mm: lower excursion-limited SPL | + |
| Focal AUDIOM 15WX | 24.4 +1.9 | 0.353 -0.02 | 318.9 +0.9 | 6 -4.1 | 93.5 -0.5 | usable | 225 W vs 300 W: lower power handling · Xmax 6 mm < 10.1 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the SB42FHC75-6 →
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.