B&C 6MBX44
Thiele-Small parameters
| Nominal size | 6.5" |
|---|---|
| Impedance | 16 Ω |
| Fs | 115 Hz |
| Qts | 0.35 |
| Qes | 0.41 |
| Qms | 2.9 |
| Vas | 4 L |
| Sd | 132 cm² |
| Xmax | 3.5 mm |
| Re | 10.4 Ω |
| Bl | 14.7 T·m |
| Mms | 12 g |
| Pe | 200 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 280 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 1.3 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 6MBX44 | 113 -2 | 0.31 -0.04 | 4.1 +0.1 | 3.5 = | 98 = | close | 8 Ω vs 16 Ω: amp load changes | + |
| Oberton 6NM150 | 124 +9 | 0.377 +0.03 | 4 = | 2.25 -1.25 | 97 -1 | usable | 8 Ω vs 16 Ω: amp load changes · 150 W vs 200 W: lower power handling · Xmax 2.25 mm < 3.5 mm: lower excursion-limited SPL | + |
| B&C 6CLA51 | 96 -19 | 0.32 -0.03 | 4.3 +0.3 | 4.8 +1.3 | 94.5 -3.5 | usable | 8 Ω vs 16 Ω: amp load changes | + |
| Beyma 6G40Nd/N | 100 -15 | 0.38 +0.03 | 3.7 -0.3 | 3 -0.5 | 94 -4 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
| 18 Sound 6NMB420 | 110 -5 | 0.33 -0.02 | 6.1 +2.1 | 3 -0.5 | 100 +2 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
| 18 Sound 6NMB420 | 112 -3 | 0.4 +0.05 | 5.9 +1.9 | 3 -0.5 | 100 +2 | usable | Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
| 18 Sound 6NTLW2000 | 86 -29 | 0.35 = | 4.6 +0.6 | 4.9 +1.4 | 93 -5 | usable | 8 Ω vs 16 Ω: amp load changes | + |
| B&C 6PEV13 | 126 +11 | 0.36 +0.01 | 6 +2 | 2.5 -1 | 99 +1 | usable | 8 Ω vs 16 Ω: amp load changes · 120 W vs 200 W: lower power handling · Xmax 2.5 mm < 3.5 mm: lower excursion-limited SPL | + |
| 18 Sound 6NMB900 | 100 -15 | 0.34 -0.01 | 6.65 +2.65 | 3 -0.5 | 96 -2 | usable | Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
| 18 Sound 6M44 | 102 -13 | 0.29 -0.06 | 3.8 -0.2 | 2.25 -1.25 | 95 -3 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 2.25 mm < 3.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 6MBX44 →
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.