Oberton 12B45V
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 47.88 Hz |
| Qts | 0.354 |
| Qes | 0.371 |
| Qms | 7.37 |
| Vas | 58.51 L |
| Sd | 514.7 cm² |
| Xmax | 10.5 mm |
| Re | 4.9 Ω |
| Bl | 16.65 T·m |
| Mms | 69.86 g |
| Pe | 450 W |
| Sensitivity | 94 dB |
Alignment hint
| EBP | 129 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 19.6 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 |
|---|---|---|---|---|---|---|---|---|
| Faital PRO 12HP1010 | 45 -2.88 | 0.34 -0.01 | 56.5 -2.01 | 9.25 -1.25 | 96 +2 | close | Xmax 9.25 mm < 10.5 mm: lower excursion-limited SPL | + |
| B&C 12 NDL 88 16 Ohms | 50 +2.12 | 0.363 +0.01 | 55 -3.51 | 7.1 -3.4 | 93.1 -0.9 | close | 16 Ω vs 8 Ω: amp load changes · Xmax 7.1 mm < 10.5 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH500 16 Ohms | 48 +0.12 | 0.367 +0.01 | 66.6 +8.09 | 7.3 -3.2 | 92.8 -1.2 | usable | 16 Ω vs 8 Ω: amp load changes · Xmax 7.3 mm < 10.5 mm: lower excursion-limited SPL | + |
| Eminence DEFINIMAX 4012 HO | 46 -1.88 | 0.356 = | 59.4 +0.89 | 6.2 -4.3 | 95.2 +1.2 | usable | Xmax 6.2 mm < 10.5 mm: lower excursion-limited SPL | + |
| B&C 12NDL88 | 50 +2.12 | 0.37 +0.02 | 55 -3.51 | 8 -2.5 | 97 +3 | usable | 16 Ω vs 8 Ω: amp load changes · Xmax 8 mm < 10.5 mm: lower excursion-limited SPL | + |
| 18 Sound 12NTLS3500 | 41 -6.88 | 0.34 -0.01 | 63 +4.49 | 7.9 -2.6 | 94.5 +0.5 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 7.9 mm < 10.5 mm: lower excursion-limited SPL | + |
| 18 Sound 12NLW9300 v2022 | 47 -0.88 | 0.416 +0.06 | 56 -2.51 | 8 -2.5 | 95.4 +1.4 | usable | Xmax 8 mm < 10.5 mm: lower excursion-limited SPL | + |
| Lavoce SSF122.50L | 41 -6.88 | 0.41 +0.06 | 59 +0.49 | 11.5 +1 | 91.3 -2.7 | usable | + | |
| Eminence DEFINIMAX 4012HO | 51 +3.12 | 0.35 = | 53.801 -4.71 | 6.2 -4.3 | 94.8 +0.8 | usable | Xmax 6.2 mm < 10.5 mm: lower excursion-limited SPL | + |
| Beyma 12LX60V2 | 49 +1.12 | 0.38 +0.03 | 43 -15.51 | 9 -1.5 | 92.9 -1.1 | usable | 350 W vs 450 W: lower power handling · Xmax 9 mm < 10.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 12B45V →
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.