SB Acoustics SB42FHCL75-6
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 18.4 Hz |
| Qts | 0.307 |
| Qes | 0.32 |
| Qms | 7.4 |
| Vas | 462 L |
| Sd | 850 cm² |
| Xmax | 11.5 mm |
| Re | 4.6 Ω |
| Bl | 16.5 T·m |
| Mms | 164 g |
| Pe | 300 W |
| Sensitivity | 93.9 dB |
Alignment hint
| EBP | 57 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 107.3 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 |
|---|---|---|---|---|---|---|---|---|
| Monacor SP-380P v2000 | 20 +1.6 | 0.337 +0.03 | 450 -12 | 9.4 -2.1 | 92.5 -1.4 | close | 200 W vs 300 W: lower power handling · Xmax 9.4 mm < 11.5 mm: lower excursion-limited SPL | + |
| Orion Audio 2NT 15 | 18 -0.4 | 0.248 -0.06 | 419.1 -42.9 | 10.5 -1 | 92.5 -1.4 | usable | Xmax 10.5 mm < 11.5 mm: lower excursion-limited SPL | + |
| Audiotechnology FLEXUNIT 15 F 102 25 10 KAP | 22 +3.6 | 0.29 -0.02 | 410 -52 | 8.6 -2.9 | 93.5 -0.4 | usable | Xmax 8.6 mm < 11.5 mm: lower excursion-limited SPL | + |
| JBL 2235H | 20 +1.6 | 0.252 -0.05 | 458.7 -3.3 | 8.4 -3.1 | 94.4 +0.5 | usable | Xmax 8.4 mm < 11.5 mm: lower excursion-limited SPL | + |
| Audiotechnology 15F1022510KAP | 22 +3.6 | 0.288 -0.02 | 410 -52 | 8.5 -3 | 94.9 +1 | usable | 200 W vs 300 W: lower power handling · Xmax 8.5 mm < 11.5 mm: lower excursion-limited SPL | + |
| Oxygen ALIUM 380 | 18 -0.4 | 0.3 -0.01 | 322 -140 | 7.9 -3.6 | 93.3 -0.6 | usable | 4 Ω vs 8 Ω: amp load changes · 200 W vs 300 W: lower power handling · Xmax 7.9 mm < 11.5 mm: lower excursion-limited SPL | + |
| TC Sounds TC2000 vp | 18 -0.4 | 0.323 +0.02 | 267 -195 | 14 +2.5 | 92.5 -1.4 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Altec 927-8A | 22.9 +4.5 | 0.278 -0.03 | 496.1 +34.1 | 8.3 -3.2 | 95.1 +1.2 | usable | 200 W vs 300 W: lower power handling · Xmax 8.3 mm < 11.5 mm: lower excursion-limited SPL | + |
| Fostex FW 405 | 20 +1.6 | 0.336 +0.03 | 595 +133 | 7 -4.5 | 93.9 = | usable | 150 W vs 300 W: lower power handling · Xmax 7 mm < 11.5 mm: lower excursion-limited SPL | + |
| AE Speakers TD15H | 21 +2.6 | 0.254 -0.05 | 467 +5 | 7 -4.5 | 94.9 +1 | usable | Xmax 7 mm < 11.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the SB42FHCL75-6 →
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.