Jensen B 12
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 4 Ω |
| Fs | 46.2 Hz |
| Qts | 0.29 |
| Qes | 0.3 |
| Qms | 9.05 |
| Vas | 81.3 L |
| Sd | 409.1 cm² |
| Xmax | 2.5 mm |
| Re | 3.28 Ω |
| Bl | 10.4 T·m |
| Mms | 34.2 g |
| Pe | 150 W |
| Sensitivity | 100.1 dB |
Alignment hint
| EBP | 154 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 16.4 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 |
|---|---|---|---|---|---|---|---|---|
| Supravox 215-2000EXC_10V | 49 +2.8 | 0.286 = | 98.2 +16.9 | 2.6 +0.1 | 100.9 +0.8 | close | 8 Ω vs 4 Ω: amp load changes · 20 W vs 150 W: lower power handling | + |
| Supravox 215-2000EXC_09V | 49 +2.8 | 0.309 +0.02 | 96.5 +15.2 | 2.7 +0.2 | 100.5 +0.4 | close | 8 Ω vs 4 Ω: amp load changes · 20 W vs 150 W: lower power handling | + |
| Supravox 215-2000EXC_11V | 49 +2.8 | 0.268 -0.02 | 99.4 +18.1 | 2.5 = | 101.2 +1.1 | close | 8 Ω vs 4 Ω: amp load changes · 20 W vs 150 W: lower power handling | + |
| Supravox 245 HERITAGE EXC 14V | 50.9 +4.7 | 0.268 -0.02 | 98 +16.7 | 3.2 +0.7 | 99.4 -0.7 | close | 8 Ω vs 4 Ω: amp load changes · 50 W vs 150 W: lower power handling | + |
| Supravox 215-2000EXC_08V | 49 +2.8 | 0.344 +0.05 | 97.8 +16.5 | 2.9 +0.4 | 100.1 = | usable | 8 Ω vs 4 Ω: amp load changes · 20 W vs 150 W: lower power handling | + |
| Supravox 215-2000EXC_12V | 49 +2.8 | 0.26 -0.03 | 102 +20.7 | 2.5 = | 101.5 +1.4 | usable | 8 Ω vs 4 Ω: amp load changes · 20 W vs 150 W: lower power handling | + |
| Supravox 215-2000EXC_13V | 49 +2.8 | 0.249 -0.04 | 97.8 +16.5 | 2.4 -0.1 | 101.5 +1.4 | usable | 8 Ω vs 4 Ω: amp load changes · 20 W vs 150 W: lower power handling · Xmax 2.4 mm < 2.5 mm: lower excursion-limited SPL | + |
| Beyma 10G150 | 47 +0.8 | 0.246 -0.04 | 75 -6.3 | 3.7 +1.2 | 97 -3.1 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Eminence S2010 | 46 -0.2 | 0.314 +0.02 | 63.4 -17.9 | 4 +1.5 | 96.6 -3.5 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Eminence BASSLITE S2010 | 46 -0.2 | 0.31 +0.02 | 63.4 -17.9 | 4 +1.5 | 96.2 -3.9 | usable | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the B 12 →
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.