Volt B250.2 PA
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 50 Hz |
| Qts | 0.314 |
| Qes | 0.36 |
| Qms | 2.46 |
| Vas | 33 L |
| Sd | 324 cm² |
| Xmax | 4.6 mm |
| Re | 5.25 Ω |
| Bl | 14.4 T·m |
| Mms | 45.2 g |
| Pe | 250 W |
| Sensitivity | 94.4 dB |
Alignment hint
| EBP | 139 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 8.1 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 |
|---|---|---|---|---|---|---|---|---|
| SICA 10 S 3 CP 8 Ohms | 48 -2 | 0.323 +0.01 | 32.4 -0.6 | 6.1 +1.5 | 94 -0.4 | close | + | |
| Beyma 10G40 | 55 +5 | 0.314 = | 33 = | 5 +0.4 | 95.4 +1 | close | + | |
| 18 Sound 10NW750 | 53 +3 | 0.31 = | 34 +1 | 7.5 +2.9 | 94 -0.4 | close | + | |
| Celestion NTR10-2520E | 56 +6 | 0.312 = | 30 -3 | 4.75 +0.15 | 93.7 -0.7 | close | + | |
| Sica 10 Fe 3 CP | 52 +2 | 0.31 = | 38.6 +5.6 | 5 +0.4 | 95.9 +1.5 | close | + | |
| Beyma 10MW/ND v2 | 49 -1 | 0.319 +0.01 | 40.7 +7.7 | 6.1 +1.5 | 94.8 +0.4 | close | + | |
| Oberton 10B200 | 48.06 -1.94 | 0.349 +0.03 | 31.94 -1.06 | 5.75 +1.15 | 93 -1.4 | close | + | |
| SICA 10 FE 3 CP v2017 | 52 +2 | 0.307 -0.01 | 38.6 +5.6 | 4.2 -0.4 | 95.8 +1.4 | close | Xmax 4.2 mm < 4.6 mm: lower excursion-limited SPL | + |
| PRV Audio 10MR1000 | 59.2 +9.2 | 0.323 +0.01 | 31 -2 | 5 +0.4 | 95.4 +1 | close | + | |
| Beyma 10MW/ND | 49 -1 | 0.32 +0.01 | 40.7 +7.7 | 7.5 +2.9 | 93.5 -0.9 | close | 6 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the B250.2 PA →
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.