Tang Band WT-644F

10" · 8 Ω · 180 W · 91.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	32 Hz
Qts	0.357
Qes	0.37
Qms	10.14
Vas	77 L
Sd	350 cm²
Xmax	7.9 mm
Re	6.4 Ω
Bl	13.9 T·m
Mms	55.2 g
Pe	180 W
Sensitivity	91.3 dB

Alignment hint

EBP	86 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 26.3 L

EBP 50-100: works in either a sealed or ported 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
STX W.27.400.8.MC	31 -1	0.329 -0.03	79 +2	7.6 -0.3	91.6 +0.3	close	Xmax 7.6 mm < 7.9 mm: lower excursion-limited SPL	+
Visaton TIW250	31 -1	0.324 -0.03	80 +3	8.8 +0.9	91.7 +0.4	close		+
JBL P1000	30 -2	0.382 +0.03	71 -6	7.8 -0.1	91.2 -0.1	close	Xmax 7.8 mm < 7.9 mm: lower excursion-limited SPL	+
Focal 11V 7511 v2008	30.8 -1.2	0.362 +0.01	94.3 +17.3	8 +0.1	91.5 +0.2	close		+
AE Speakers TD10S	32.7 +0.7	0.347 -0.01	67.5 -9.5	7 -0.9	91.4 +0.1	close	Xmax 7 mm < 7.9 mm: lower excursion-limited SPL	+
Visaton TIW250XS 8 Ohms v2	33 +1	0.328 -0.03	66 -11	7.9 =	91.8 +0.5	close		+
Boston Acoustics PRO 10.4 LF	33 +1	0.36 =	66.26 -10.74	7.5 -0.4	89.4 -1.9	close	4 Ω vs 8 Ω: amp load changes · Xmax 7.5 mm < 7.9 mm: lower excursion-limited SPL	+
Alpine SWG-1044	33 +1	0.34 -0.02	65 -12	8 +0.1	89.8 -1.5	close	4 Ω vs 8 Ω: amp load changes	+
MTX Audio BG104A	26 -6	0.359 =	72.8 -4.2	9.7 +1.8	91.1 -0.2	close	4 Ω vs 8 Ω: amp load changes	+
Faital PRO 10FE330	35 +3	0.4 +0.04	72.4 -4.6	8.32 +0.42	92 +0.7	close		+

Compare the closest 3 against the WT-644F →

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.