Fane COLOSSUS 12XB
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 43 Hz |
| Qts | 0.243 |
| Qes | 0.254 |
| Qms | 5.71 |
| Vas | 78 L |
| Sd | 531.6 cm² |
| Xmax | 6 mm |
| Re | 5.2 Ω |
| Bl | 19.6 T·m |
| Mms | 69.6 g |
| Pe | 500 W |
| Sensitivity | 97.7 dB |
Alignment hint
| EBP | 169 · 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 |
|---|---|---|---|---|---|---|---|---|
| BMS 12N803 | 41 -2 | 0.24 = | 77 -1 | 6 = | 97 -0.7 | close | + | |
| Monacor SP-12/500FH | 45 +2 | 0.251 +0.01 | 76.2 -1.8 | 6.4 +0.4 | 98.2 +0.5 | close | + | |
| Faital PRO 12FH510 | 45 +2 | 0.24 = | 81.3 +3.3 | 7.5 +1.5 | 98 +0.3 | close | + | |
| Faital PRO 12FH510 | 45 +2 | 0.25 +0.01 | 75.2 -2.8 | 7.5 +1.5 | 97 -0.7 | close | 4 Ω vs 8 Ω: amp load changes | + |
| RCF L 12P300 | 40 -3 | 0.242 = | 81 +3 | 7.8 +1.8 | 96.7 -1 | close | + | |
| BMS 12N620 | 44.7 +1.7 | 0.25 +0.01 | 72.7 -5.3 | 5.5 -0.5 | 98 +0.3 | close | Xmax 5.5 mm < 6 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH530 | 45 +2 | 0.26 +0.02 | 74.1 -3.9 | 7.5 +1.5 | 98 +0.3 | close | + | |
| Oberton 12B401 | 46.63 +3.63 | 0.245 = | 69.6 -8.4 | 6.75 +0.75 | 97 -0.7 | close | + | |
| Faital PRO 12FH500 | 45 +2 | 0.25 +0.01 | 87.3 +9.3 | 7.5 +1.5 | 97 -0.7 | close | + | |
| Beyma 12CXA400Nd v2018 | 45 +2 | 0.251 +0.01 | 88.5 +10.5 | 5.5 -0.5 | 97.7 = | close | Xmax 5.5 mm < 6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the COLOSSUS 12XB →
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.