← all drivers

Image Dynamics CTX128

10" · 8 Ω · 175 W · 85.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size10"
Impedance8 Ω
Fs23.3 Hz
Qts0.562
Qes0.668
Qms3.539
Vas131.01 L
Sd545 cm²
Xmax16 mm
Re7.8 Ω
Bl16.01 T·m
Mms149.91 g
Pe175 W
Sensitivity85.8 dB

Alignment hint

EBP35 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 224.7 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
Kartesian SUB265_VKI-S22 -1.30.443 -0.12108.4 -22.6116 =89.6 +3.8usable4 Ω vs 8 Ω: amp load changes+
AE Speakers DIPOLE 10-D1625.9 +2.60.676 +0.11118 -13.0110.1 -5.987.7 +1.9usable100 W vs 175 W: lower power handling · Xmax 10.1 mm < 16 mm: lower excursion-limited SPL+
Scan-Speak 26W/8867T00 vp21.9 -1.40.449 -0.11128 -3.019 -787.8 +2usableXmax 9 mm < 16 mm: lower excursion-limited SPL+
Visaton GF 250 - 2x4 Ohms s&eacute;rie26 +2.70.554 -0.01110 -21.0110 -691 +5.2usable4 Ω vs 8 Ω: amp load changes · Xmax 10 mm < 16 mm: lower excursion-limited SPL+
AE Speakers IB10AU-825 +1.70.485 -0.0868 -63.0115.3 -0.786.4 +0.6usableXmax 15.3 mm < 16 mm: lower excursion-limited SPL+
AE Speakers SBP10-823.9 +0.60.47 -0.0968.2 -62.8114 -286.1 +0.3usableXmax 14 mm < 16 mm: lower excursion-limited SPL+
AE Speakers IB10AU-425 +1.70.485 -0.0868 -63.0115.3 -0.789.5 +3.7usable4 Ω vs 8 Ω: amp load changes · Xmax 15.3 mm < 16 mm: lower excursion-limited SPL+
Audiotechnology 10A7725KAP23 -0.30.41 -0.15139 +7.998.6 -7.489.5 +3.7usableXmax 8.6 mm < 16 mm: lower excursion-limited SPL+
Dayton Audio 10 DVC25 +1.70.379 -0.18110.4 -20.6117.8 +1.892.1 +6.3usable4 Ω vs 8 Ω: amp load changes+
Audiotechnology 10B772510KAP25 +1.70.415 -0.15128 -3.018.6 -7.489.7 +3.9usableXmax 8.6 mm < 16 mm: lower excursion-limited SPL+

Compare the closest 3 against the CTX128 →

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.