RCF LF12G301
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 43 Hz |
| Qts | 0.22 |
| Qes | 0.23 |
| Qms | 4.6 |
| Vas | 97 L |
| Sd | 560000 cm² |
| Xmax | 7 mm |
| Re | 5.8 Ω |
| Bl | 19 T·m |
| Mms | 56 g |
| Pe | 450 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 187 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 10.4 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 LF12G801 | 43 = | 0.22 = | 97 = | 7 = | 97 = | close | + | |
| RCF LF12P901 | 43 = | 0.22 = | 97 = | 7 = | 97 = | close | + | |
| RCF LF12Y308 | 43 = | 0.22 = | 97 = | 7 = | 97 = | close | + | |
| RCF L 12P301 | 43 = | 0.219 = | 97 = | 7.8 +0.8 | 98.6 +1.6 | close | + | |
| RCF LF 12G301 | 43 = | 0.219 = | 97 = | 5.9 -1.1 | 98.6 +1.6 | close | Xmax 5.9 mm < 7 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH500 | 45 +2 | 0.22 = | 80.3 -16.7 | 7.25 +0.25 | 97 = | close | 4 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 12ND730 | 45 +2 | 0.23 +0.01 | 90 -7 | 6.5 -0.5 | 98 +1 | close | Xmax 6.5 mm < 7 mm: lower excursion-limited SPL | + |
| PHL Audio B303-8 4230 | 40 -3 | 0.22 = | 87.2 -9.8 | 5.8 -1.2 | 97.3 +0.3 | close | Xmax 5.8 mm < 7 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH500 | 45 +2 | 0.25 +0.03 | 87.3 -9.7 | 7.5 +0.5 | 97 = | close | + | |
| Faital PRO 12FH510 | 45 +2 | 0.24 +0.02 | 81.3 -15.7 | 7.5 +0.5 | 98 +1 | close | + |
Compare the closest 3 against the LF12G301 →
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.