Pioneer TS-W257D4 DVC
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 2 Ω |
| Fs | 39.7 Hz |
| Qts | 0.546 |
| Qes | 0.57 |
| Qms | 12.94 |
| Vas | 18.2 L |
| Sd | 350 cm² |
| Xmax | 5.3 mm |
| Re | 1.5 Ω |
| Bl | 10 T·m |
| Mms | 152.1 g |
| Pe | 300 W |
| Sensitivity | 92.2 dB |
Alignment hint
| EBP | 70 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 26.9 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 |
|---|---|---|---|---|---|---|---|---|
| Focal SUB25KXE | 38 -1.7 | 0.52 -0.03 | 20 +1.8 | 8.2 +2.9 | 91.7 -0.5 | close | + | |
| Sony XS-L104P5B | 37.7 -2 | 0.569 +0.02 | 19.3 +1.1 | 6 +0.7 | 87.8 -4.4 | close | 4 Ω vs 2 Ω: amp load changes | + |
| Focal ACCESS 27A | 41.3 +1.6 | 0.48 -0.07 | 21.2 +3 | 5 -0.3 | 90.8 -1.4 | close | 4 Ω vs 2 Ω: amp load changes · Xmax 5 mm < 5.3 mm: lower excursion-limited SPL | + |
| Focal 27 V2 | 38.5 -1.2 | 0.629 +0.08 | 21.3 +3.1 | 5.5 +0.2 | 90.1 -2.1 | usable | 4 Ω vs 2 Ω: amp load changes | + |
| Focal 11V 5552 | 40.5 +0.8 | 0.497 -0.05 | 24.1 +5.9 | 4.6 -0.7 | 90.8 -1.4 | usable | 4 Ω vs 2 Ω: amp load changes · 175 W vs 300 W: lower power handling · Xmax 4.6 mm < 5.3 mm: lower excursion-limited SPL | + |
| Auditor 250 S | 42.1 +2.4 | 0.631 +0.08 | 20.5 +2.3 | 5 -0.3 | 89 -3.2 | usable | 4 Ω vs 2 Ω: amp load changes · Xmax 5 mm < 5.3 mm: lower excursion-limited SPL | + |
| LaVoce SSF102.40 4 Ohms | 43 +3.3 | 0.56 +0.01 | 30 +11.8 | 5.7 +0.4 | 92.2 = | usable | 4 Ω vs 2 Ω: amp load changes | + |
| Focal 27 V1 | 39 -0.7 | 0.445 -0.1 | 21.4 +3.2 | 4.9 -0.4 | 90.4 -1.8 | usable | 4 Ω vs 2 Ω: amp load changes · Xmax 4.9 mm < 5.3 mm: lower excursion-limited SPL | + |
| JBL P1022 | 29 -10.7 | 0.542 = | 20 +1.8 | 7 +1.7 | 90.3 -1.9 | usable | + | |
| Oxygen AIR2 250 | 36.4 -3.3 | 0.502 -0.04 | 22.4 +4.2 | 5.8 +0.5 | 88.3 -3.9 | usable | 4 Ω vs 2 Ω: amp load changes | + |
Compare the closest 3 against the TS-W257D4 DVC →
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.