Beyma 6"B30/P
Thiele-Small parameters
| Nominal size | 6.5" |
|---|---|
| Impedance | 8 Ω |
| Fs | 56 Hz |
| Qts | 0.5 |
| Qes | 0.6 |
| Qms | 3 |
| Vas | 15.6 L |
| Sd | 140 cm² |
| Xmax | 5.5 mm |
| Re | 5.5 Ω |
| Bl | 6.8 T·m |
| Mms | 14 g |
| Pe | 50 W |
| Sensitivity | 90 dB |
Alignment hint
| EBP | 93 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 15.6 L |
EBP 50-100: works in either a sealed or ported 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 |
|---|---|---|---|---|---|---|---|---|
| Sica 6.5 H 1.5 CP | 45.4 -10.6 | 0.42 -0.08 | 20.2 +4.6 | 6 +0.5 | 89.4 -0.6 | usable | + | |
| Oberton 6B150 | 55.04 -0.96 | 0.292 -0.21 | 14.61 -0.99 | 5.5 = | 92 +2 | usable | + | |
| B&C 6NDL38 | 70 +14 | 0.5 = | 8.9 -6.7 | 6 +0.5 | 93 +3 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| Beyma 6"P200/ND | 56 = | 0.29 -0.21 | 11.9 -3.7 | 5.5 = | 92 +2 | usable | + | |
| 18 Sound 6ND430 | 61 +5 | 0.27 -0.23 | 12.6 -3 | 5 -0.5 | 92.5 +2.5 | risky | Xmax 5 mm < 5.5 mm: lower excursion-limited SPL | + |
| 18 Sound 6ND430 | 66 +10 | 0.3 -0.2 | 12.6 -3 | 5 -0.5 | 94 +4 | risky | 16 Ω vs 8 Ω: amp load changes · Xmax 5 mm < 5.5 mm: lower excursion-limited SPL | + |
| B&C 6NDL38 | 69 +13 | 0.39 -0.11 | 7.1 -8.5 | 6 +0.5 | 91 +1 | risky | 4 Ω vs 8 Ω: amp load changes | + |
| B&C 6NDL38 | 72 +16 | 0.42 -0.08 | 7 -8.6 | 6 +0.5 | 92 +2 | risky | + | |
| Beyma 6P200Fe | 58 +2 | 0.26 -0.24 | 11.1 -4.5 | 5 -0.5 | 93 +3 | risky | Xmax 5 mm < 5.5 mm: lower excursion-limited SPL | + |
| Beyma 6NMFW | 40 -16 | 0.34 -0.16 | 11 -4.6 | 9 +3.5 | 87 -3 | risky | + |
Compare the closest 3 against the 6"B30/P →
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.