RCF L15/542K
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 45 Hz |
| Qts | 0.36 |
| Qes | 0.375 |
| Qms | 9 |
| Vas | 146 L |
| Sd | 850 cm² |
| Xmax | 4.5 mm |
| Re | 7.2 Ω |
| Bl | 21.35 T·m |
| Mms | 84 g |
| Pe | 400 W |
| Sensitivity | 97.3 dB |
Alignment hint
| EBP | 120 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 51.1 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 |
|---|---|---|---|---|---|---|---|---|
| RCF L 15P542K | 45 = | 0.355 -0.01 | 146 = | 6.2 +1.7 | 98 +0.7 | close | + | |
| MC Kenzie C15.500BS | 45 = | 0.35 -0.01 | 145 -1 | 6.5 +2 | 98.8 +1.5 | close | + | |
| P.Audio C15-600EL | 44.9 -0.1 | 0.352 -0.01 | 137.4 -8.6 | 5 +0.5 | 99 +1.7 | close | + | |
| Oberton 15NCX | 43.7 -1.3 | 0.361 = | 138.5 -7.5 | 6.1 +1.6 | 98.8 +1.5 | close | + | |
| 18 Sound 15W1300 | 46 +1 | 0.361 = | 138 -8 | 6 +1.5 | 99 +1.7 | close | + | |
| LaVoce NBASS15-30 | 42 -3 | 0.36 = | 143.06 -2.94 | 6.6 +2.1 | 98.5 +1.2 | close | + | |
| Peavey 1505 DT vp 1993 vert | 44.2 -0.8 | 0.362 = | 124.7 -21.3 | 4.8 +0.3 | 98.2 +0.9 | close | + | |
| Focal 15PR75-225 | 43.5 -1.5 | 0.351 -0.01 | 155 +9 | 4.3 -0.2 | 98.7 +1.4 | close | 225 W vs 400 W: lower power handling · Xmax 4.3 mm < 4.5 mm: lower excursion-limited SPL | + |
| Eighteen Sound 15NCX750 | 49 +4 | 0.37 +0.01 | 141 -5 | 5.5 +1 | 98 +0.7 | close | + | |
| Focal 15PR75-212 | 42 -3 | 0.36 = | 162 +16 | 4.4 -0.1 | 98.3 +1 | close | 212 W vs 400 W: lower power handling · Xmax 4.4 mm < 4.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the L15/542K →
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.