RCF L 12P300
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40 Hz |
| Qts | 0.242 |
| Qes | 0.25 |
| Qms | 7.3 |
| Vas | 81 L |
| Sd | 530 cm² |
| Xmax | 7.8 mm |
| Re | 5.6 Ω |
| Bl | 20.8 T·m |
| Mms | 77 g |
| Pe | 1000 W |
| Sensitivity | 96.7 dB |
Alignment hint
| EBP | 160 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 10.7 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 |
|---|---|---|---|---|---|---|---|---|
| Faital PRO 12FH510 | 45 +5 | 0.24 = | 81.3 +0.3 | 7.5 -0.3 | 98 +1.3 | close | 500 W vs 1000 W: lower power handling · Xmax 7.5 mm < 7.8 mm: lower excursion-limited SPL | + |
| BMS 12N803 | 41 +1 | 0.24 = | 77 -4 | 6 -1.8 | 97 +0.3 | close | Xmax 6 mm < 7.8 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH510 | 45 +5 | 0.25 +0.01 | 75.2 -5.8 | 7.5 -0.3 | 97 +0.3 | close | 4 Ω vs 8 Ω: amp load changes · 500 W vs 1000 W: lower power handling · Xmax 7.5 mm < 7.8 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH500 | 45 +5 | 0.25 +0.01 | 87.3 +6.3 | 7.5 -0.3 | 97 +0.3 | close | 500 W vs 1000 W: lower power handling · Xmax 7.5 mm < 7.8 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH500 | 45 +5 | 0.22 -0.02 | 80.3 -0.7 | 7.25 -0.55 | 97 +0.3 | close | 4 Ω vs 8 Ω: amp load changes · 500 W vs 1000 W: lower power handling · Xmax 7.25 mm < 7.8 mm: lower excursion-limited SPL | + |
| Fane COLOSSUS 12XB | 43 +3 | 0.243 = | 78 -3 | 6 -1.8 | 97.7 +1 | close | 500 W vs 1000 W: lower power handling · Xmax 6 mm < 7.8 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH530 | 45 +5 | 0.26 +0.02 | 74.1 -6.9 | 7.5 -0.3 | 98 +1.3 | close | 500 W vs 1000 W: lower power handling · Xmax 7.5 mm < 7.8 mm: lower excursion-limited SPL | + |
| Beyma 12LW30/N v2015 | 42 +2 | 0.269 +0.03 | 84 +3 | 6.1 -1.7 | 96.3 -0.4 | close | 450 W vs 1000 W: lower power handling · Xmax 6.1 mm < 7.8 mm: lower excursion-limited SPL | + |
| PHL Audio B303-8 4230 | 40 = | 0.22 -0.02 | 87.2 +6.2 | 5.8 -2 | 97.3 +0.6 | close | 450 W vs 1000 W: lower power handling · Xmax 5.8 mm < 7.8 mm: lower excursion-limited SPL | + |
| BMS 12S305 | 35 -5 | 0.265 +0.02 | 82 +1 | 11 +3.2 | 95 -1.7 | close | + |
Compare the closest 3 against the L 12P300 →
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.