Beyma 15WRS400
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 38 Hz |
| Qts | 0.337 |
| Qes | 0.36 |
| Qms | 5.2 |
| Vas | 205.4 L |
| Sd | 880 cm² |
| Xmax | 6.3 mm |
| Re | 5.5 Ω |
| Bl | 18.4 T·m |
| Mms | 92.7 g |
| Pe | 400 W |
| Sensitivity | 98.6 dB |
Alignment hint
| EBP | 106 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 60.4 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 |
|---|---|---|---|---|---|---|---|---|
| Fane SOVEREIGN PRO 15-600 | 38 = | 0.351 +0.01 | 201 -4.4 | 6.5 +0.2 | 98.2 -0.4 | close | + | |
| RCF MB 15X301 | 38 = | 0.345 +0.01 | 195 -10.4 | 6 -0.3 | 98.3 -0.3 | close | Xmax 6 mm < 6.3 mm: lower excursion-limited SPL | + |
| Beyma 15MW/ND | 40 +2 | 0.331 -0.01 | 207 +1.6 | 6.5 +0.2 | 99.4 +0.8 | close | + | |
| RCF MB 15N301 (prodance) | 40.1 +2.1 | 0.35 +0.01 | 203.2 -2.2 | 6 -0.3 | 98.8 +0.2 | close | Xmax 6 mm < 6.3 mm: lower excursion-limited SPL | + |
| 18 Sound 15ND830 | 39 +1 | 0.32 -0.02 | 213 +7.6 | 6.5 +0.2 | 98 -0.6 | close | + | |
| Oberton 15NMB35 | 38.93 +0.93 | 0.335 = | 177.47 -27.93 | 6.75 +0.45 | 99.5 +0.9 | close | + | |
| 18 Sound 15W700 | 38 = | 0.3 -0.04 | 217 +11.6 | 6.5 +0.2 | 99 +0.4 | close | + | |
| PD PDN 15BR40 | 35.7 -2.3 | 0.338 = | 224.8 +19.4 | 9.8 +3.5 | 98.5 -0.1 | close | + | |
| Precision Devices PDN 15BR40 | 35.7 -2.3 | 0.338 = | 224.8 +19.4 | 9.8 +3.5 | 98.5 -0.1 | close | + | |
| PHL Audio 5221 SP | 41 +3 | 0.329 -0.01 | 190 -15.4 | 6.6 +0.3 | 99.5 +0.9 | close | + |
Compare the closest 3 against the 15WRS400 →
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.