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Fane COLOSSUS 24 BASS RIPOLE

21.5" · 8 Ω · 800 W · 90.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size21.5"
Impedance8 Ω
Fs21.1 Hz
Qts0.7
Qes0.794
Qms5.944
Vas503.3 L
Sd1699.8 cm²
Xmax12.7 mm
Re7.34 Ω
Bl23.7 T·m
Mms456.6 g
Pe800 W
Sensitivity90.1 dB

Alignment hint

EBP27 · 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Mach 5 Audio FTW-LTE-2119.8 -1.30.643 -0.06526.1 +22.810 -2.792.8 +2.7usable4 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 Audio16.3 -4.80.389 -0.31605 +101.716.3 +3.693 +2.9risky4 Ω vs 8 Ω: amp load changes+
MTX Audio T9922-4416.8 -4.30.539 -0.16239.1 -264.222.2 +9.591.5 +1.4risky2 Ω vs 8 Ω: amp load changes+
Mach 5 Audio FTW2119.7 -1.40.378 -0.32499.9 -3.47.5 -5.295.8 +5.7risky4 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 21X45128 +6.90.369 -0.33385 -118.313 +0.397 +6.9risky+
Pyle Audio PDW2125022.4 +1.30.331 -0.37703.8 +200.59 -3.796.2 +6.1riskyXmax 9 mm < 12.7 mm: lower excursion-limited SPL+
LaVoce SAF214.5030 +8.90.435 -0.26267 -236.311.6 -1.195.6 +5.5riskyXmax 11.6 mm < 12.7 mm: lower excursion-limited SPL+
LaVoce SAF214.50 vp30 +8.90.401 -0.3311 -192.311.6 -1.196.4 +6.3riskyXmax 11.6 mm < 12.7 mm: lower excursion-limited SPL+
RCF LF 21N40130 +8.90.378 -0.32374 -129.310.6 -2.198 +7.9riskyXmax 10.6 mm < 12.7 mm: lower excursion-limited SPL+
MC Kenzie FRL-21/1200-LF30 +8.90.378 -0.32374 -129.39.5 -3.298 +7.9riskyXmax 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.