RCF L 15/542K
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 36 Hz |
| Qts | 0.3 |
| Qes | 0.31 |
| Qms | 9 |
| Vas | 250 L |
| Sd | 804 cm² |
| Xmax | 5 mm |
| Re | 6.3 Ω |
| Bl | 18 T·m |
| Mms | 70.8 g |
| Pe | 400 W |
| Sensitivity | 98.8 dB |
Alignment hint
| EBP | 116 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 54.9 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 15"WR400 | 36 = | 0.3 = | 236 -14 | 6.3 +1.3 | 99 +0.2 | close | + | |
| Beyma 15WR400 v2020 | 36 = | 0.299 = | 236 -14 | 6.3 +1.3 | 99 +0.2 | close | + | |
| Faital PRO 15PR400 | 35 -1 | 0.31 +0.01 | 248.9 -1.1 | 5.75 +0.75 | 99 +0.2 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Faital PRO 15PR400 | 35 -1 | 0.32 +0.02 | 248.9 -1.1 | 5.75 +0.75 | 99 +0.2 | close | + | |
| Faital PRO 15PR400 v2021 | 35 -1 | 0.322 +0.02 | 248.9 -1.1 | 5.8 +0.8 | 98.9 +0.1 | close | + | |
| Monacor SP-15A/402PA | 36 = | 0.316 +0.02 | 235 -15 | 5 = | 98.1 -0.7 | close | + | |
| Beyma 15XA38Nd v2020 | 38 +2 | 0.296 = | 238 -12 | 6 +1 | 99 +0.2 | close | + | |
| Max Speaker PR1566 | 36 = | 0.296 = | 262 +12 | 8.6 +3.6 | 99.1 +0.3 | close | + | |
| Eminence KAPPA 15 | 36 = | 0.301 = | 278 +28 | 5.5 +0.5 | 100.1 +1.3 | close | + | |
| Supravox 400 GMF PRO MK2 | 35 -1 | 0.32 +0.02 | 247 -3 | 5.8 +0.8 | 97.9 -0.9 | close | 200 W vs 400 W: lower power handling | + |
Compare the closest 3 against the L 15/542K →
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.