B&C 6MD38
Thiele-Small parameters
| Nominal size | 6.5" |
|---|---|
| Impedance | 8 Ω |
| Fs | 130 Hz |
| Qts | 0.44 |
| Qes | 0.49 |
| Qms | 3.7 |
| Vas | 3 L |
| Sd | 132 cm² |
| Xmax | 2 mm |
| Re | 5.7 Ω |
| Bl | 10.5 T·m |
| Mms | 12 g |
| Pe | 120 W |
| Sensitivity | 96 dB |
Alignment hint
| EBP | 265 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 1.9 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 +8 | 0.47 +0.03 | 2.8 -0.2 | 3 +1 | 97 +1 | close | 16 Ω vs 8 Ω: amp load changes | + |
| B&C 6MDN44 | 140 +10 | 0.4 -0.04 | 2.7 -0.3 | 2.5 +0.5 | 96.5 +0.5 | close | + | |
| Beyma 6"MI100 | 128 -2 | 0.51 +0.07 | 3.1 +0.1 | 3 +1 | 94 -2 | close | + | |
| Oberton 6NM150 | 124 -6 | 0.377 -0.06 | 4 +1 | 2.25 +0.25 | 97 +1 | usable | + | |
| B&C 6MD38 | 150 +20 | 0.5 +0.06 | 2.3 -0.7 | 3.5 +1.5 | 95 -1 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| Oberton 6M150 | 115.1 -14.9 | 0.422 -0.02 | 5.35 +2.35 | 2.25 +0.25 | 96 = | usable | + | |
| Beyma 6G40Nd/N | 100 -30 | 0.38 -0.06 | 3.7 +0.7 | 3 +1 | 94 -2 | usable | + | |
| B&C 6MBX44 | 115 -15 | 0.35 -0.09 | 4 +1 | 3.5 +1.5 | 98 +2 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| B&C 6MBX44 | 113 -17 | 0.31 -0.13 | 4.1 +1.1 | 3.5 +1.5 | 98 +2 | usable | + | |
| 18 Sound 6M44 | 102 -28 | 0.29 -0.15 | 3.8 +0.8 | 2.25 +0.25 | 95 -1 | usable | + |
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.