Volt BM2500.5 PA
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 52 Hz |
| Qts | 0.25 |
| Qes | 0.26 |
| Qms | 6.55 |
| Vas | 43 L |
| Sd | 336 cm² |
| Xmax | 4 mm |
| Re | 5.2 Ω |
| Bl | 15 T·m |
| Mms | 34.5 g |
| Pe | 250 W |
| Sensitivity | 97.5 dB |
Alignment hint
| EBP | 200 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 6.1 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 K 3 PL 8 Ohms v2017 | 50.6 -1.4 | 0.256 +0.01 | 40 -3 | 4 = | 96.7 -0.8 | close | + | |
| 18 Sound 10NMB420 | 56 +4 | 0.25 = | 40 -3 | 4 = | 99 +1.5 | close | + | |
| SICA 10 F 2.5 CP | 52.4 +0.4 | 0.259 +0.01 | 41.4 -1.6 | 3.4 -0.6 | 96.8 -0.7 | close | 150 W vs 250 W: lower power handling · Xmax 3.4 mm < 4 mm: lower excursion-limited SPL | + |
| Dayton Audio APOLLO 10N | 54 +2 | 0.222 -0.03 | 43.5 +0.5 | 4.3 +0.3 | 97.1 -0.4 | close | + | |
| P.Audio E10-200S v2011 | 55.4 +3.4 | 0.272 +0.02 | 44.6 +1.6 | 4 = | 96.9 -0.6 | close | + | |
| PHL Audio 3420 | 53 +1 | 0.256 +0.01 | 35 -8 | 4.3 +0.3 | 97.6 +0.1 | close | + | |
| Sica 10 K 3 PL | 50.6 -1.4 | 0.26 +0.01 | 40 -3 | 6.5 +2.5 | 96.7 -0.8 | close | + | |
| PHL Audio 3430 | 57 +5 | 0.271 +0.02 | 41 -2 | 4.2 +0.2 | 97.7 +0.2 | close | + | |
| B&C 10 PS 26 (prodance) | 53.4 +1.4 | 0.267 +0.02 | 39.5 -3.5 | 5.4 +1.4 | 96.8 -0.7 | close | + | |
| RCF MB 10N251 | 55 +3 | 0.271 +0.02 | 38.8 -4.2 | 4.6 +0.6 | 97.4 -0.1 | close | + |
Compare the closest 3 against the BM2500.5 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.