Fane COLOSSUS 18XB
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 36 Hz |
| Qts | 0.323 |
| Qes | 0.34 |
| Qms | 6.58 |
| Vas | 246 L |
| Sd | 1120 cm² |
| Xmax | 7.5 mm |
| Re | 6 Ω |
| Bl | 23.6 T·m |
| Mms | 139.7 g |
| Pe | 1000 W |
| Sensitivity | 98.5 dB |
Alignment hint
| EBP | 106 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 64.9 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 LF 18H400 | 38 +2 | 0.321 = | 250 +4 | 7.4 -0.1 | 100.3 +1.8 | close | Xmax 7.4 mm < 7.5 mm: lower excursion-limited SPL | + |
| Oberton 18B450 | 34.38 -1.62 | 0.342 +0.02 | 241.55 -4.45 | 7.25 -0.25 | 98 -0.5 | close | 500 W vs 1000 W: lower power handling · Xmax 7.25 mm < 7.5 mm: lower excursion-limited SPL | + |
| Peavey LO MAX 18 | 33.5 -2.5 | 0.318 -0.01 | 249.7 +3.7 | 9.5 +2 | 97.7 -0.8 | close | + | |
| PD PD 185N002 | 36 = | 0.297 -0.03 | 226 -20 | 7.8 +0.3 | 98.7 +0.2 | close | + | |
| Precision Devices PD 185N002 | 36 = | 0.297 -0.03 | 226 -20 | 7.8 +0.3 | 98.7 +0.2 | close | + | |
| Beyma 18" P1000Fe V2/S | 33 -3 | 0.32 = | 230 -16 | 8 +0.5 | 98 -0.5 | close | + | |
| 18 Sound 18LW2400 | 35 -1 | 0.31 -0.01 | 230 -16 | 9.5 +2 | 98 -0.5 | close | + | |
| B&C 18 TBX 46 v2 | 34 -2 | 0.311 -0.01 | 227 -19 | 8.1 +0.6 | 98.2 -0.3 | close | + | |
| 18 Sound 18LW2400 | 33 -3 | 0.32 = | 235 -11 | 9.5 +2 | 98 -0.5 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Beyma 18P1000FE | 33 -3 | 0.32 = | 230 -16 | 8 +0.5 | 97.8 -0.7 | close | + |
Compare the closest 3 against the COLOSSUS 18XB →
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.