Soundstream SPLX-122
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 35 Hz |
| Qts | 0.322 |
| Qes | 0.342 |
| Qms | 5.387 |
| Vas | 40.2 L |
| Sd | 452 cm² |
| Xmax | 8 mm |
| Re | 4 Ω |
| Bl | 19.5 T·m |
| Mms | 147.3 g |
| Pe | 750 W |
| Sensitivity | 92 dB |
Alignment hint
| EBP | 102 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 10.5 L |
EBP > 100: favours a ported (bass-reflex) 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 12 BG 100 | 39 +4 | 0.333 +0.01 | 41 +0.8 | 7.8 -0.2 | 92.4 +0.4 | close | Xmax 7.8 mm < 8 mm: lower excursion-limited SPL | + |
| B&C 12BG100 | 39 +4 | 0.33 +0.01 | 41 +0.8 | 10.5 +2.5 | 93 +1 | close | + | |
| Sica 12 SR 4 CP | 38 +3 | 0.3 -0.02 | 41.7 +1.5 | 9 +1 | 92.6 +0.6 | close | + | |
| Gladen SQL 12 EXTREME | 33 -2 | 0.353 +0.03 | 36 -4.2 | 9.4 +1.4 | 93.1 +1.1 | close | 2 Ω vs 8 Ω: amp load changes | + |
| B&C 12FG100 | 34 -1 | 0.32 = | 53 +12.8 | 10.3 +2.3 | 91 -1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Eminence DEFINIMAX 4012ULF-8 | 40 +5 | 0.31 -0.01 | 41.342 +1.14 | 6.7 -1.3 | 91 -1 | close | Xmax 6.7 mm < 8 mm: lower excursion-limited SPL | + |
| B&C 12 FG 100 4 Ohms | 34 -1 | 0.32 = | 53 +12.8 | 9.2 +1.2 | 94.3 +2.3 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Ground Zero GZRW 30SPL vp | 33.3 -1.7 | 0.357 +0.03 | 52 +11.8 | 9.1 +1.1 | 92 = | close | + | |
| B&C 12 FG 100 | 34 -1 | 0.362 +0.04 | 49 +8.8 | 9.5 +1.5 | 91 -1 | close | + | |
| B&C 12FG100 | 34 -1 | 0.36 +0.04 | 49 +8.8 | 10.3 +2.3 | 91 -1 | close | + |
Compare the closest 3 against the SPLX-122 →
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.