Sphynx SP-W12-PRO-2
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 33 Hz |
| Qts | 0.574 |
| Qes | 0.7 |
| Qms | 3.2 |
| Vas | 284 L |
| Sd | 517 cm² |
| Xmax | 4.3 mm |
| Re | 6.5 Ω |
| Bl | 7.7 T·m |
| Mms | 30.7 g |
| Pe | 100 W |
| Sensitivity | 94.5 dB |
Alignment hint
| EBP | 47 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 548.7 L |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| Philips AD1256 vp A | 36.9 +3.9 | 0.59 +0.02 | 244.9 -39.1 | 4.3 = | 94.7 +0.2 | close | 40 W vs 100 W: lower power handling | + |
| Philips AD5200 vp A | 36.9 +3.9 | 0.59 +0.02 | 244.9 -39.1 | 4.3 = | 94.7 +0.2 | close | 40 W vs 100 W: lower power handling | + |
| Alpine 6002CX vp | 33.5 +0.5 | 0.548 -0.03 | 246.4 -37.6 | 4.1 -0.2 | 97 +2.5 | close | Xmax 4.1 mm < 4.3 mm: lower excursion-limited SPL | + |
| Cabasse 30BZ18 v1 | 36 +3 | 0.616 +0.04 | 243 -41 | 4 -0.3 | 94.8 +0.3 | close | Xmax 4 mm < 4.3 mm: lower excursion-limited SPL | + |
| Cabasse 30BZ24 vp oriu2 | 37 +4 | 0.543 -0.03 | 223 -61 | 4 -0.3 | 93.6 -0.9 | usable | 16 Ω vs 8 Ω: amp load changes · Xmax 4 mm < 4.3 mm: lower excursion-limited SPL | + |
| Celestion T1600 vp 2 | 30.3 -2.7 | 0.44 -0.13 | 264.7 -19.3 | 4 -0.3 | 94.3 -0.2 | usable | Xmax 4 mm < 4.3 mm: lower excursion-limited SPL | + |
| Altec 412 vp1 | 33.7 +0.7 | 0.625 +0.05 | 230.5 -53.5 | 3 -1.3 | 95 +0.5 | usable | 20 W vs 100 W: lower power handling · Xmax 3 mm < 4.3 mm: lower excursion-limited SPL | + |
| Audax PR300T4 série vp | 37 +4 | 0.519 -0.05 | 220 -64 | 4 -0.3 | 95.6 +1.1 | usable | Xmax 4 mm < 4.3 mm: lower excursion-limited SPL | + |
| Europsonic HP30/70 | 30 -3 | 0.582 +0.01 | 204.7 -79.3 | 4.3 = | 90.9 -3.6 | usable | 35 W vs 100 W: lower power handling | + |
| Philips AD12250W8 vp doum2 | 28.7 -4.3 | 0.51 -0.06 | 237 -47 | 6 +1.7 | 92.5 -2 | usable | + |
Compare the closest 3 against the SP-W12-PRO-2 →
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.