Oberton 6M150
Thiele-Small parameters
| Nominal size | 6.5" |
|---|---|
| Impedance | 8 Ω |
| Fs | 115.1 Hz |
| Qts | 0.422 |
| Qes | 0.457 |
| Qms | 5.46 |
| Vas | 5.35 L |
| Sd | 139 cm² |
| Xmax | 2.25 mm |
| Re | 6.21 Ω |
| Bl | 10.02 T·m |
| Mms | 10.22 g |
| Pe | 150 W |
| Sensitivity | 96 dB |
Alignment hint
| EBP | 252 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 3 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 |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 6NMB420 | 112 -3.1 | 0.4 -0.02 | 5.9 +0.55 | 3 +0.75 | 100 +4 | close | 16 Ω vs 8 Ω: amp load changes | + |
| Oberton 6NM150 | 124 +8.9 | 0.377 -0.04 | 4 -1.35 | 2.25 = | 97 +1 | usable | + | |
| B&C 6PEV13 | 126 +10.9 | 0.36 -0.06 | 6 +0.65 | 2.5 +0.25 | 99 +3 | usable | + | |
| B&C 6CLA51 | 89 -26.1 | 0.41 -0.01 | 5.7 +0.35 | 5.5 +3.25 | 93.5 -2.5 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| B&C 6MBX44 | 115 -0.1 | 0.35 -0.07 | 4 -1.35 | 3.5 +1.25 | 98 +2 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 6NMB900 | 100 -15.1 | 0.34 -0.08 | 6.65 +1.3 | 3 +0.75 | 96 = | usable | 16 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 6NMB420 | 110 -5.1 | 0.33 -0.09 | 6.1 +0.75 | 3 +0.75 | 100 +4 | usable | + | |
| Beyma 6G40Nd/N | 100 -15.1 | 0.38 -0.04 | 3.7 -1.65 | 3 +0.75 | 94 -2 | usable | + | |
| B&C 6MD38 | 130 +14.9 | 0.44 +0.02 | 3 -2.35 | 2 -0.25 | 96 = | usable | Xmax 2 mm < 2.25 mm: lower excursion-limited SPL | + |
| 18 Sound 6NTLW2000 | 86 -29.1 | 0.38 -0.04 | 4.8 -0.55 | 4.9 +2.65 | 93 -3 | usable | 16 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 6M150 →
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.