Fane COLOSSUS 24 BASS RIPOLE
Thiele-Small parameters
| Nominal size | 21.5" |
|---|---|
| Impedance | 8 Ω |
| Fs | 21.1 Hz |
| Qts | 0.7 |
| Qes | 0.794 |
| Qms | 5.944 |
| Vas | 503.3 L |
| Sd | 1699.8 cm² |
| Xmax | 12.7 mm |
| Re | 7.34 Ω |
| Bl | 23.7 T·m |
| Mms | 456.6 g |
| Pe | 800 W |
| Sensitivity | 90.1 dB |
Alignment hint
| EBP | 27 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 24661.7 L |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| Mach 5 Audio FTW-LTE-21 | 19.8 -1.3 | 0.643 -0.06 | 526.1 +22.8 | 10 -2.7 | 92.8 +2.7 | usable | 4 Ω vs 8 Ω: amp load changes · 450 W vs 800 W: lower power handling · Xmax 10 mm < 12.7 mm: lower excursion-limited SPL | + |
| CSS Audio Maelstrom 21 DVC by Exodus Audio | 16.3 -4.8 | 0.389 -0.31 | 605 +101.7 | 16.3 +3.6 | 93 +2.9 | risky | 4 Ω vs 8 Ω: amp load changes | + |
| MTX Audio T9922-44 | 16.8 -4.3 | 0.539 -0.16 | 239.1 -264.2 | 22.2 +9.5 | 91.5 +1.4 | risky | 2 Ω vs 8 Ω: amp load changes | + |
| Mach 5 Audio FTW21 | 19.7 -1.4 | 0.378 -0.32 | 499.9 -3.4 | 7.5 -5.2 | 95.8 +5.7 | risky | 4 Ω vs 8 Ω: amp load changes · 600 W vs 800 W: lower power handling · Xmax 7.5 mm < 12.7 mm: lower excursion-limited SPL | + |
| RCF LF 21X451 | 28 +6.9 | 0.369 -0.33 | 385 -118.3 | 13 +0.3 | 97 +6.9 | risky | + | |
| Pyle Audio PDW21250 | 22.4 +1.3 | 0.331 -0.37 | 703.8 +200.5 | 9 -3.7 | 96.2 +6.1 | risky | Xmax 9 mm < 12.7 mm: lower excursion-limited SPL | + |
| LaVoce SAF214.50 | 30 +8.9 | 0.435 -0.26 | 267 -236.3 | 11.6 -1.1 | 95.6 +5.5 | risky | Xmax 11.6 mm < 12.7 mm: lower excursion-limited SPL | + |
| LaVoce SAF214.50 vp | 30 +8.9 | 0.401 -0.3 | 311 -192.3 | 11.6 -1.1 | 96.4 +6.3 | risky | Xmax 11.6 mm < 12.7 mm: lower excursion-limited SPL | + |
| RCF LF 21N401 | 30 +8.9 | 0.378 -0.32 | 374 -129.3 | 10.6 -2.1 | 98 +7.9 | risky | Xmax 10.6 mm < 12.7 mm: lower excursion-limited SPL | + |
| MC Kenzie FRL-21/1200-LF | 30 +8.9 | 0.378 -0.32 | 374 -129.3 | 9.5 -3.2 | 98 +7.9 | risky | Xmax 9.5 mm < 12.7 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the COLOSSUS 24 BASS RIPOLE →
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.