Oberton 8M150
Thiele-Small parameters
| Nominal size | 8" |
|---|---|
| Impedance | 8 Ω |
| Fs | 68.2 Hz |
| Qts | 0.217 |
| Qes | 0.225 |
| Qms | 6.07 |
| Vas | 21.62 L |
| Sd | 202 cm² |
| Xmax | 3.25 mm |
| Re | 5.05 Ω |
| Bl | 11.62 T·m |
| Mms | 14.07 g |
| Pe | 150 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 303 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 2.2 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 8"MC300Nd | 62 -6.2 | 0.22 = | 18 -3.62 | 6 +2.75 | 96 -2 | usable | + | |
| B&C 8MDN51 | 70 +1.8 | 0.2 -0.02 | 16 -5.62 | 6 +2.75 | 97 -1 | usable | + | |
| B&C 8FMB51 | 67 -1.2 | 0.28 +0.06 | 20.7 -0.92 | 5.5 +2.25 | 96.5 -1.5 | usable | + | |
| B&C 8NW51 | 68 -0.2 | 0.22 = | 14 -7.62 | 7 +3.75 | 97 -1 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| Beyma 8MC500Nd | 69 +0.8 | 0.18 -0.04 | 15.9 -5.72 | 5 +1.75 | 98 = | usable | + | |
| 18 Sound 8NTLW2000 | 71 +2.8 | 0.21 -0.01 | 13 -8.62 | 4.4 +1.15 | 97.5 -0.5 | usable | + | |
| B&C 8MDN51 | 68 -0.2 | 0.27 +0.05 | 17.5 -4.12 | 6 +2.75 | 97 -1 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 8NW650 | 63 -5.2 | 0.25 +0.03 | 17.8 -3.82 | 5.5 +2.25 | 96 -2 | usable | + | |
| 18 Sound 8NW650 | 62 -6.2 | 0.25 +0.03 | 18.99 -2.63 | 5.5 +2.25 | 95 -3 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| Oberton 8M250 | 74.37 +6.17 | 0.201 -0.02 | 15.63 -5.99 | 2.75 -0.5 | 99.5 +1.5 | usable | Xmax 2.75 mm < 3.25 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 8M150 →
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.