Fane FC-123F01
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 34 Hz |
| Qts | 0.235 |
| Qes | 0.249 |
| Qms | 4.32 |
| Vas | 110 L |
| Sd | 530 cm² |
| Xmax | 7.8 mm |
| Re | 5.4 Ω |
| Bl | 19.1 T·m |
| Mms | 78.4 g |
| Pe | 500 W |
| Sensitivity | 96.1 dB |
Alignment hint
| EBP | 137 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 13.7 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 |
|---|---|---|---|---|---|---|---|---|
| RCF L 12P400K | 34 = | 0.241 +0.01 | 130 +20 | 6 -1.8 | 96.3 +0.2 | close | 200 W vs 500 W: lower power handling · Xmax 6 mm < 7.8 mm: lower excursion-limited SPL | + |
| BMS 12S330 | 28.6 -5.4 | 0.24 +0.01 | 85.5 -24.5 | 8 +0.2 | 96 -0.1 | close | + | |
| Magnat SUB 300 SUPREME | 30 -4 | 0.289 +0.05 | 110 = | 7.6 -0.2 | 95.5 -0.6 | usable | 4 Ω vs 8 Ω: amp load changes · 300 W vs 500 W: lower power handling · Xmax 7.6 mm < 7.8 mm: lower excursion-limited SPL | + |
| Beyma 12LW30/N | 38 +4 | 0.287 +0.05 | 109 -1 | 7 -0.8 | 96.2 +0.1 | usable | Xmax 7 mm < 7.8 mm: lower excursion-limited SPL | + |
| DLS SP12 | 30.5 -3.5 | 0.237 = | 98.8 -11.2 | 9.1 +1.3 | 100.5 +4.4 | usable | 2 Ω vs 8 Ω: amp load changes | + |
| RCF L12P400K | 33.7 -0.3 | 0.25 +0.02 | 130 +20 | 6 -1.8 | 94.7 -1.4 | usable | 200 W vs 500 W: lower power handling · Xmax 6 mm < 7.8 mm: lower excursion-limited SPL | + |
| Dayton Audio APOLLO 12N | 38 +4 | 0.261 +0.03 | 128.1 +18.1 | 6.8 -1 | 96.4 +0.3 | usable | Xmax 6.8 mm < 7.8 mm: lower excursion-limited SPL | + |
| McCauley B1240 | 38 +4 | 0.286 +0.05 | 110 = | 6.5 -1.3 | 96.3 +0.2 | usable | 350 W vs 500 W: lower power handling · Xmax 6.5 mm < 7.8 mm: lower excursion-limited SPL | + |
| Eminence KAPPALITE 3012 LF-4 | 36.4 +2.4 | 0.308 +0.07 | 107.4 -2.6 | 8.1 +0.3 | 97.2 +1.1 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| RCF L 12P300 | 40 +6 | 0.242 +0.01 | 81 -29 | 7.8 = | 96.7 +0.6 | usable | + |
Compare the closest 3 against the FC-123F01 →
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.