Beyma 15XA38Nd v2020
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 38 Hz |
| Qts | 0.296 |
| Qes | 0.31 |
| Qms | 6.4 |
| Vas | 238 L |
| Sd | 880 cm² |
| Xmax | 6 mm |
| Re | 6.7 Ω |
| Bl | 20.3 T·m |
| Mms | 80 g |
| Pe | 350 W |
| Sensitivity | 99 dB |
Alignment hint
| EBP | 123 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 50.6 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 15WR400 v2020 | 36 -2 | 0.299 = | 236 -2 | 6.3 +0.3 | 99 = | close | + | |
| Beyma 15"WR400 | 36 -2 | 0.3 = | 236 -2 | 6.3 +0.3 | 99 = | close | + | |
| 18 Sound 15W700 | 38 = | 0.3 = | 217 -21 | 6.5 +0.5 | 99 = | close | + | |
| Beyma 15WR400 | 38 = | 0.308 +0.01 | 214 -24 | 6 = | 99.7 +0.7 | close | + | |
| 18 Sound 15NMB420 | 42 +4 | 0.29 -0.01 | 225 -13 | 6.5 +0.5 | 99 = | close | + | |
| Max Speaker PR1566 | 36 -2 | 0.296 = | 262 +24 | 8.6 +2.6 | 99.1 +0.1 | close | + | |
| Faital PRO 15PR400 | 35 -3 | 0.31 +0.01 | 248.9 +10.9 | 5.75 -0.25 | 99 = | close | 4 Ω vs 8 Ω: amp load changes · Xmax 5.75 mm < 6 mm: lower excursion-limited SPL | + |
| Fane FC-153F01 | 40 +2 | 0.305 +0.01 | 220 -18 | 6.6 +0.6 | 100 +1 | close | + | |
| RCF L 15/542K | 36 -2 | 0.3 = | 250 +12 | 5 -1 | 98.8 -0.2 | close | Xmax 5 mm < 6 mm: lower excursion-limited SPL | + |
| 18 Sound 15W750 | 39 +1 | 0.29 -0.01 | 253 +15 | 8 +2 | 97 -2 | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 15XA38Nd v2020 →
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.