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MTX Audio T9922-44

21.5" · 2 Ω · 4000 W · 91.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size21.5"
Impedance2 Ω
Fs16.8 Hz
Qts0.539
Qes0.6
Qms5.319
Vas239.1 L
Sd1642 cm²
Xmax22.2 mm
Re1.66 Ω
Bl20.4 T·m
Mms1425.4 g
Pe4000 W
Sensitivity91.5 dB

Alignment hint

EBP28 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 331.6 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
CSS Audio Maelstrom 21 DVC by Exodus Audio16.3 -0.50.389 -0.15605 +365.916.3 -5.993 +1.5risky4 Ω vs 2 Ω: amp load changes · 1000 W vs 4000 W: lower power handling · Xmax 16.3 mm < 22.2 mm: lower excursion-limited SPL+
LaVoce SAF214.5030 +13.20.435 -0.1267 +27.911.6 -10.695.6 +4.1risky8 Ω vs 2 Ω: amp load changes · 2000 W vs 4000 W: lower power handling · Xmax 11.6 mm < 22.2 mm: lower excursion-limited SPL+
Fane COLOSSUS 24 BASS RIPOLE21.1 +4.30.7 +0.16503.3 +264.212.7 -9.590.1 -1.4risky8 Ω vs 2 Ω: amp load changes · 800 W vs 4000 W: lower power handling · Xmax 12.7 mm < 22.2 mm: lower excursion-limited SPL+
Mach 5 Audio FTW-LTE-2119.8 +30.643 +0.1526.1 +28710 -12.292.8 +1.3risky4 Ω vs 2 Ω: amp load changes · 450 W vs 4000 W: lower power handling · Xmax 10 mm < 22.2 mm: lower excursion-limited SPL+
LaVoce SAF214.50 vp30 +13.20.401 -0.14311 +71.911.6 -10.696.4 +4.9risky8 Ω vs 2 Ω: amp load changes · 2000 W vs 4000 W: lower power handling · Xmax 11.6 mm < 22.2 mm: lower excursion-limited SPL+
RCF LF 21X45128 +11.20.369 -0.17385 +145.913 -9.297 +5.5risky8 Ω vs 2 Ω: amp load changes · 2000 W vs 4000 W: lower power handling · Xmax 13 mm < 22.2 mm: lower excursion-limited SPL+
18 Sound 21NLW900029 +12.20.347 -0.19304 +64.910.7 -11.596.4 +4.9risky8 Ω vs 2 Ω: amp load changes · 1800 W vs 4000 W: lower power handling · Xmax 10.7 mm < 22.2 mm: lower excursion-limited SPL+
RCF 21LNW900029 +12.20.347 -0.19304 +64.910.7 -11.596.4 +4.9risky8 Ω vs 2 Ω: amp load changes · 1800 W vs 4000 W: lower power handling · Xmax 10.7 mm < 22.2 mm: lower excursion-limited SPL+
B&C 21 SW 11532.5 +15.70.404 -0.13268.7 +29.69.9 -12.399.2 +7.7risky4 Ω vs 2 Ω: amp load changes · 1700 W vs 4000 W: lower power handling · Xmax 9.9 mm < 22.2 mm: lower excursion-limited SPL+
Beyma 21L5033 +16.20.434 -0.11300 +60.97.9 -14.397 +5.5risky8 Ω vs 2 Ω: amp load changes · 1000 W vs 4000 W: lower power handling · Xmax 7.9 mm < 22.2 mm: lower excursion-limited SPL+

Compare the closest 3 against the T9922-44 →

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.