RCF L12P300
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40 Hz |
| Qts | 0.27 |
| Qes | 0.28 |
| Qms | 7.3 |
| Vas | 76 L |
| Sd | 530 cm² |
| Xmax | 5 mm |
| Re | 6 Ω |
| Bl | 21 T·m |
| Mms | 81.92 g |
| Pe | 150 W |
| Sensitivity | 94.2 dB |
Alignment hint
| EBP | 143 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 13 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 |
|---|---|---|---|---|---|---|---|---|
| the box Speaker 12-280/8-W | 38 -2 | 0.304 +0.03 | 75.7 -0.3 | 5.5 +0.5 | 94 -0.2 | close | + | |
| Beyma 12LW30/N v2015 | 42 +2 | 0.269 = | 84 +8 | 6.1 +1.1 | 96.3 +2.1 | close | + | |
| BMS 12N804 | 39 -1 | 0.29 +0.02 | 71 -5 | 8 +3 | 95 +0.8 | close | + | |
| BMS 12N803 | 41 +1 | 0.24 -0.03 | 77 +1 | 6 +1 | 97 +2.8 | close | + | |
| Beyma 12"WR400 | 42 +2 | 0.27 = | 91 +15 | 6.3 +1.3 | 97 +2.8 | close | + | |
| Ciare NDC 12-3 | 45.5 +5.5 | 0.285 +0.01 | 73.6 -2.4 | 5.4 +0.4 | 97 +2.8 | close | + | |
| Dayton Audio PA310-8 | 39 -1 | 0.292 +0.02 | 91.8 +15.8 | 5 = | 96.2 +2 | close | + | |
| RCF L 12P300 | 40 = | 0.242 -0.03 | 81 +5 | 7.8 +2.8 | 96.7 +2.5 | close | + | |
| BMS 12S305 | 35 -5 | 0.265 -0.01 | 82 +6 | 11 +6 | 95 +0.8 | close | + | |
| Beyma 12G40 | 44 +4 | 0.292 +0.02 | 81 +5 | 6 +1 | 96.8 +2.6 | close | + |
Compare the closest 3 against the L12P300 →
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.