Beyma 15MW/ND
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40 Hz |
| Qts | 0.331 |
| Qes | 0.34 |
| Qms | 12.33 |
| Vas | 207 L |
| Sd | 850 cm² |
| Xmax | 6.5 mm |
| Re | 5.7 Ω |
| Bl | 18.1 T·m |
| Mms | 77.5 g |
| Pe | 400 W |
| Sensitivity | 99.4 dB |
Alignment hint
| EBP | 118 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 58.1 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 |
|---|---|---|---|---|---|---|---|---|
| PHL Audio 5221 SP | 41 +1 | 0.329 = | 190 -17 | 6.6 +0.1 | 99.5 +0.1 | close | + | |
| Beyma 15WRS400 | 38 -2 | 0.337 +0.01 | 205.4 -1.6 | 6.3 -0.2 | 98.6 -0.8 | close | Xmax 6.3 mm < 6.5 mm: lower excursion-limited SPL | + |
| Fane SOVEREIGN PRO 15-500 | 40 = | 0.319 -0.01 | 192 -15 | 6 -0.5 | 99.4 = | close | Xmax 6 mm < 6.5 mm: lower excursion-limited SPL | + |
| 18 Sound 15ND830 | 39 -1 | 0.32 -0.01 | 213 +6 | 6.5 = | 98 -1.4 | close | + | |
| RCF MB 15N301 (prodance) | 40.1 +0.1 | 0.35 +0.02 | 203.2 -3.8 | 6 -0.5 | 98.8 -0.6 | close | Xmax 6 mm < 6.5 mm: lower excursion-limited SPL | + |
| Oberton 15NMB35 | 38.93 -1.07 | 0.335 = | 177.47 -29.53 | 6.75 +0.25 | 99.5 +0.1 | close | + | |
| Fane FC-153F01 | 40 = | 0.305 -0.03 | 220 +13 | 6.6 +0.1 | 100 +0.6 | close | + | |
| Fane SOVEREIGN PRO 15-600 | 38 -2 | 0.351 +0.02 | 201 -6 | 6.5 = | 98.2 -1.2 | close | + | |
| 18 Sound 15W700 | 38 -2 | 0.3 -0.03 | 217 +10 | 6.5 = | 99 -0.4 | close | + | |
| JBL 2226H | 40 = | 0.31 -0.02 | 175.6 -31.4 | 7 +0.5 | 99.3 -0.1 | close | + |
Compare the closest 3 against the 15MW/ND →
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.