RCF LF 15X401
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 34 Hz |
| Qts | 0.289 |
| Qes | 0.3 |
| Qms | 7.6 |
| Vas | 146 L |
| Sd | 910 cm² |
| Xmax | 10.3 mm |
| Re | 5.5 Ω |
| Bl | 26.1 T·m |
| Mms | 174.2 g |
| Pe | 1500 W |
| Sensitivity | 96.4 dB |
Alignment hint
| EBP | 113 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 29.3 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 LF15X401 | 34 = | 0.29 = | 146 = | 12 +1.7 | 96.5 +0.1 | close | + | |
| 18 Sound 15NLW9500 | 34 = | 0.29 = | 147.5 +1.5 | 9 -1.3 | 96 -0.4 | close | 4 Ω vs 8 Ω: amp load changes · 1000 W vs 1500 W: lower power handling · Xmax 9 mm < 10.3 mm: lower excursion-limited SPL | + |
| Beyma 15P1000 | 35 +1 | 0.293 = | 146 = | 8.7 -1.6 | 96.3 -0.1 | close | 1000 W vs 1500 W: lower power handling · Xmax 8.7 mm < 10.3 mm: lower excursion-limited SPL | + |
| BMS 15N840 v2015 | 35.6 +1.6 | 0.303 +0.01 | 145.7 -0.3 | 9.9 -0.4 | 97.1 +0.7 | close | Xmax 9.9 mm < 10.3 mm: lower excursion-limited SPL | + |
| BMS 15N840 | 35.6 +1.6 | 0.3 +0.01 | 145.7 -0.3 | 11 +0.7 | 95 -1.4 | close | + | |
| B&C 15NBX100 | 36 +2 | 0.29 = | 125 -21 | 10 -0.3 | 97 +0.6 | close | 1000 W vs 1500 W: lower power handling · Xmax 10 mm < 10.3 mm: lower excursion-limited SPL | + |
| Beyma 15LEX1200Nd | 36 +2 | 0.3 +0.01 | 127 -19 | 11 +0.7 | 97 +0.6 | close | + | |
| Fane COLOSSUS 15XS | 36.3 +2.3 | 0.307 +0.02 | 149.7 +3.7 | 9.1 -1.2 | 97.3 +0.9 | close | 1000 W vs 1500 W: lower power handling · Xmax 9.1 mm < 10.3 mm: lower excursion-limited SPL | + |
| Fane COLOSSUS PRIME 15XS | 36.3 +2.3 | 0.307 +0.02 | 149.7 +3.7 | 9.1 -1.2 | 97.3 +0.9 | close | 1000 W vs 1500 W: lower power handling · Xmax 9.1 mm < 10.3 mm: lower excursion-limited SPL | + |
| RCF LF15G401 | 36 +2 | 0.26 -0.03 | 150 +4 | 9 -1.3 | 97 +0.6 | close | 800 W vs 1500 W: lower power handling · Xmax 9 mm < 10.3 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the LF 15X401 →
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.