Beyma 6CMV2
Thiele-Small parameters
| Nominal size | 6.5" |
|---|---|
| Impedance | 8 Ω |
| Fs | 90 Hz |
| Qts | 0.34 |
| Qes | 0.45 |
| Qms | 1.4 |
| Vas | 6.5 L |
| Sd | 140 cm² |
| Xmax | 5.7 mm |
| Re | 5.3 Ω |
| Bl | 9.4 T·m |
| Mms | 13 g |
| Pe | 220 W |
| Sensitivity | 94 dB |
Alignment hint
| EBP | 200 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 6CLA51 | 89 -1 | 0.41 +0.07 | 5.7 -0.8 | 5.5 -0.2 | 93.5 -0.5 | close | 16 Ω vs 8 Ω: amp load changes · Xmax 5.5 mm < 5.7 mm: lower excursion-limited SPL | + |
| 18 Sound 6NTLW2000 | 86 -4 | 0.35 +0.01 | 4.6 -1.9 | 4.9 -0.8 | 93 -1 | usable | Xmax 4.9 mm < 5.7 mm: lower excursion-limited SPL | + |
| B&C 6PS38 | 75 -15 | 0.3 -0.04 | 8 +1.5 | 6 +0.3 | 94 = | usable | 150 W vs 220 W: lower power handling | + |
| B&C 6PS44 | 71 -19 | 0.33 -0.01 | 7 +0.5 | 4.5 -1.2 | 93 -1 | usable | Xmax 4.5 mm < 5.7 mm: lower excursion-limited SPL | + |
| 18 Sound 6NTLW2000 | 86 -4 | 0.38 +0.04 | 4.8 -1.7 | 4.9 -0.8 | 93 -1 | usable | 16 Ω vs 8 Ω: amp load changes · Xmax 4.9 mm < 5.7 mm: lower excursion-limited SPL | + |
| B&C 6CLA51 | 96 +6 | 0.32 -0.02 | 4.3 -2.2 | 4.8 -0.9 | 94.5 +0.5 | usable | Xmax 4.8 mm < 5.7 mm: lower excursion-limited SPL | + |
| 18 Sound 6NMB900 | 100 +10 | 0.34 = | 6.65 +0.15 | 3 -2.7 | 96 +2 | usable | 16 Ω vs 8 Ω: amp load changes · Xmax 3 mm < 5.7 mm: lower excursion-limited SPL | + |
| B&C 6NDL38 | 72 -18 | 0.42 +0.08 | 7 +0.5 | 6 +0.3 | 92 -2 | usable | 150 W vs 220 W: lower power handling | + |
| B&C 6NDL38 | 69 -21 | 0.39 +0.05 | 7.1 +0.6 | 6 +0.3 | 91 -3 | usable | 4 Ω vs 8 Ω: amp load changes · 150 W vs 220 W: lower power handling | + |
| Beyma 6P200Fe | 66 -24 | 0.35 +0.01 | 8.8 +2.3 | 4 -1.7 | 93 -1 | usable | 16 Ω vs 8 Ω: amp load changes · Xmax 4 mm < 5.7 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 6CMV2 →
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.