RCF L 17/64AF vp FREDO51
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 60 Hz |
| Qts | 0.388 |
| Qes | 0.43 |
| Qms | 3.96 |
| Vas | 109 L |
| Sd | 780 cm² |
| Xmax | 2.8 mm |
| Re | 5.3 Ω |
| Bl | 16 T·m |
| Mms | 55.1 g |
| Pe | 150 W |
| Sensitivity | 101.2 dB |
Alignment hint
| EBP | 140 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 47 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 |
|---|---|---|---|---|---|---|---|---|
| P.Audio 15BM-300B | 50.6 -9.4 | 0.404 +0.02 | 113 +4 | 3.5 +0.7 | 99.1 -2.1 | close | + | |
| Audax PR38EX100VST vp_n | 49.1 -10.9 | 0.378 -0.01 | 111 +2 | 3.7 +0.9 | 98.4 -2.8 | usable | + | |
| LaVoce WXF15.350-8 | 50 -10 | 0.38 -0.01 | 118 +9 | 4.6 +1.8 | 99.3 -1.9 | usable | + | |
| LaVoce WXF15.400 | 50 -10 | 0.38 -0.01 | 118 +9 | 4.9 +2.1 | 99.3 -1.9 | usable | + | |
| RCF CX15N251 | 55 -5 | 0.354 -0.03 | 136 +27 | 4.1 +1.3 | 101.7 +0.5 | usable | + | |
| P.Audio R15/76MB | 62.5 +2.5 | 0.421 +0.03 | 83.4 -25.6 | 4.2 +1.4 | 100 -1.2 | usable | + | |
| Celestion TN1530 | 47.6 -12.4 | 0.39 = | 117 +8 | 3.8 +1 | 98.4 -2.8 | usable | + | |
| Focal 15PR75-250 | 50.8 -9.2 | 0.369 -0.02 | 128.8 +19.8 | 4 +1.2 | 99.7 -1.5 | usable | + | |
| RCF L 15P540 | 50 -10 | 0.393 +0.01 | 100 -9 | 5.2 +2.4 | 98.4 -2.8 | usable | + | |
| PD PD 156 | 50.2 -9.8 | 0.378 -0.01 | 120.2 +11.2 | 6.6 +3.8 | 99.2 -2 | usable | + |
Compare the closest 3 against the L 17/64AF vp FREDO51 →
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.