B&C 6MD38
Thiele-Small parameters
| Nominal size | 6.5" |
|---|---|
| Impedance | 16 Ω |
| Fs | 150 Hz |
| Qts | 0.5 |
| Qes | 0.61 |
| Qms | 2.8 |
| Vas | 2.3 L |
| Sd | 132 cm² |
| Xmax | 3.5 mm |
| Re | 11.7 Ω |
| Bl | 14.5 T·m |
| Mms | 11 g |
| Pe | 120 W |
| Sensitivity | 95 dB |
Alignment hint
| EBP | 246 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 2.3 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 6MDN44 | 138 -12 | 0.47 -0.03 | 2.8 +0.5 | 3 -0.5 | 97 +2 | usable | Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
| Beyma 6"MI100 | 128 -22 | 0.51 +0.01 | 3.1 +0.8 | 3 -0.5 | 94 -1 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
| B&C 6MDN44 | 140 -10 | 0.4 -0.1 | 2.7 +0.4 | 2.5 -1 | 96.5 +1.5 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 2.5 mm < 3.5 mm: lower excursion-limited SPL | + |
| B&C 6MD38 | 130 -20 | 0.44 -0.06 | 3 +0.7 | 2 -1.5 | 96 +1 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 2 mm < 3.5 mm: lower excursion-limited SPL | + |
| Beyma 6G40Nd/N | 100 -50 | 0.38 -0.12 | 3.7 +1.4 | 3 -0.5 | 94 -1 | risky | 8 Ω vs 16 Ω: amp load changes · Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
| B&C 6MBX44 | 115 -35 | 0.35 -0.15 | 4 +1.7 | 3.5 = | 98 +3 | risky | + | |
| Oberton 6NM150 | 124 -26 | 0.377 -0.12 | 4 +1.7 | 2.25 -1.25 | 97 +2 | risky | 8 Ω vs 16 Ω: amp load changes · Xmax 2.25 mm < 3.5 mm: lower excursion-limited SPL | + |
| Oberton 6M150 | 115.1 -34.9 | 0.422 -0.08 | 5.35 +3.05 | 2.25 -1.25 | 96 +1 | risky | 8 Ω vs 16 Ω: amp load changes · Xmax 2.25 mm < 3.5 mm: lower excursion-limited SPL | + |
| B&C 6MBX44 | 113 -37 | 0.31 -0.19 | 4.1 +1.8 | 3.5 = | 98 +3 | risky | 8 Ω vs 16 Ω: amp load changes | + |
| 18 Sound 6ND410 | 149 -1 | 0.48 -0.02 | 6.2 +3.9 | 2 -1.5 | 102 +7 | risky | Xmax 2 mm < 3.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 6MD38 →
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.