MTX Audio T9922-44
Thiele-Small parameters
| Nominal size | 21.5" |
|---|---|
| Impedance | 2 Ω |
| Fs | 16.8 Hz |
| Qts | 0.539 |
| Qes | 0.6 |
| Qms | 5.319 |
| Vas | 239.1 L |
| Sd | 1642 cm² |
| Xmax | 22.2 mm |
| Re | 1.66 Ω |
| Bl | 20.4 T·m |
| Mms | 1425.4 g |
| Pe | 4000 W |
| Sensitivity | 91.5 dB |
Alignment hint
| EBP | 28 · 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
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| CSS Audio Maelstrom 21 DVC by Exodus Audio | 16.3 -0.5 | 0.389 -0.15 | 605 +365.9 | 16.3 -5.9 | 93 +1.5 | risky | 4 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 SAF214.50 | 30 +13.2 | 0.435 -0.1 | 267 +27.9 | 11.6 -10.6 | 95.6 +4.1 | risky | 8 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 RIPOLE | 21.1 +4.3 | 0.7 +0.16 | 503.3 +264.2 | 12.7 -9.5 | 90.1 -1.4 | risky | 8 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-21 | 19.8 +3 | 0.643 +0.1 | 526.1 +287 | 10 -12.2 | 92.8 +1.3 | risky | 4 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 vp | 30 +13.2 | 0.401 -0.14 | 311 +71.9 | 11.6 -10.6 | 96.4 +4.9 | risky | 8 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 21X451 | 28 +11.2 | 0.369 -0.17 | 385 +145.9 | 13 -9.2 | 97 +5.5 | risky | 8 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 21NLW9000 | 29 +12.2 | 0.347 -0.19 | 304 +64.9 | 10.7 -11.5 | 96.4 +4.9 | risky | 8 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 21LNW9000 | 29 +12.2 | 0.347 -0.19 | 304 +64.9 | 10.7 -11.5 | 96.4 +4.9 | risky | 8 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 115 | 32.5 +15.7 | 0.404 -0.13 | 268.7 +29.6 | 9.9 -12.3 | 99.2 +7.7 | risky | 4 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 21L50 | 33 +16.2 | 0.434 -0.11 | 300 +60.9 | 7.9 -14.3 | 97 +5.5 | risky | 8 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.