RCF L15P400
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 36 Hz |
| Qts | 0.25 |
| Qes | 0.27 |
| Qms | 7.5 |
| Vas | 160 L |
| Sd | 910 cm² |
| Xmax | 8 mm |
| Re | 4.9 Ω |
| Bl | 24.8 T·m |
| Mms | 150 g |
| Pe | 400 W |
| Sensitivity | 96.3 dB |
Alignment hint
| EBP | 133 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 22.9 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 |
|---|---|---|---|---|---|---|---|---|
| BMS 15N830vv2 | 37 +1 | 0.27 +0.02 | 159 -1 | 8 = | 96 -0.3 | close | + | |
| RCF LF15G401 | 36 = | 0.26 +0.01 | 150 -10 | 9 +1 | 97 +0.7 | close | + | |
| RCF LF15Y408 | 36 = | 0.26 +0.01 | 150 -10 | 9 +1 | 97 +0.7 | close | + | |
| 18 Sound 15NLW9300 | 39 +3 | 0.26 +0.01 | 170 +10 | 8 = | 97 +0.7 | close | + | |
| PHL Audio 6090 | 35 -1 | 0.265 +0.02 | 145 -15 | 7.9 -0.1 | 97 +0.7 | close | Xmax 7.9 mm < 8 mm: lower excursion-limited SPL | + |
| RCF L 15P400 | 36 = | 0.261 +0.01 | 160 = | 7.2 -0.8 | 98.6 +2.3 | close | Xmax 7.2 mm < 8 mm: lower excursion-limited SPL | + |
| BMS 15N830V2 | 39.5 +3.5 | 0.27 +0.02 | 159 -1 | 8 = | 97.1 +0.8 | close | 6 Ω vs 8 Ω: amp load changes | + |
| Ciare NDC 15-4 S | 31.2 -4.8 | 0.253 = | 156.2 -3.8 | 8.8 +0.8 | 95.5 -0.8 | close | + | |
| PHL Audio 6201MNd | 36 = | 0.266 +0.02 | 138.4 -21.6 | 7.9 -0.1 | 97.3 +1 | close | Xmax 7.9 mm < 8 mm: lower excursion-limited SPL | + |
| 18 Sound 15ND930 | 35 -1 | 0.24 -0.01 | 182 +22 | 7.5 -0.5 | 97 +0.7 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 7.5 mm < 8 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the L15P400 →
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 (19)
- FK BR 15subbass reflex
- FK BR 15Bsubbass reflex
- FK BR 15x2subbass reflex
- FK FLH 15subfront loaded horn
- FK Kick Folded 15kickfolded horn
- FK Mid TH 15midtapped horn
- FK Sealed 15subsealed
- FK Sealed 15Bsubsealed
- FK Sub Karlsonatorsubfront loaded horn
- FK TH 15subtapped horn
- FK TH 15Bsubtapped horn
- FK Top 15 2Wtopbass reflex
- FK Top 15 2W Btopbass reflex
- FK Top 15 2W Ctopbass reflex
- FK Top 15 3Wtopbass reflex
- FK Top 3Wtopbass reflex
- FK Top AltDrvtopbass reflex
- FK Top Img 3Wtopbass reflex
- FK Top Midhorn 15midfront loaded horn