Tang Band WQ-1814S

12" · 4 Ω · 300 W · 92.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	35 Hz
Qts	0.427
Qes	0.53
Qms	2.19
Vas	61 L
Sd	500 cm²
Xmax	4 mm
Re	3.4 Ω
Bl	12.9 T·m
Mms	118.7 g
Pe	300 W
Sensitivity	92.6 dB

Alignment hint

EBP	66 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 35 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
Sica 12 SR 3 PL	36 +1	0.42 -0.01	60.4 -0.6	7 +3	91.8 -0.8	close	8 Ω vs 4 Ω: amp load changes	+
SICA 12 SR 3 PL v2018	36 +1	0.418 -0.01	60.4 -0.6	7 +3	91.7 -0.9	close	8 Ω vs 4 Ω: amp load changes	+
SICA 12 SR 3 CP v2020	37.8 +2.8	0.402 -0.02	60.5 -0.5	5 +1	92.5 -0.1	close	8 Ω vs 4 Ω: amp load changes	+
Conrad B12123	33 -2	0.446 +0.02	64.6 +3.6	5.5 +1.5	92.4 -0.2	close	200 W vs 300 W: lower power handling	+
Celestion FTR12-4080DL/4	35.3 +0.3	0.428 =	51.4 -9.6	8 +4	92.5 -0.1	close		+
Sica 12 SR 3 CP	37 +2	0.4 -0.03	60.9 -0.1	8 +4	92.2 -0.4	close	8 Ω vs 4 Ω: amp load changes	+
SICA 12 SR 3 CP v2018	36.8 +1.8	0.387 -0.04	64 +3	6 +2	92.5 -0.1	close	8 Ω vs 4 Ω: amp load changes	+
Monacor PREDATOR 12	33 -2	0.463 +0.04	64 +3	5.9 +1.9	91.9 -0.7	close		+
Pioneer TS-W306C	32.6 -2.4	0.414 -0.01	55.6 -5.4	8.1 +4.1	92.8 +0.2	close		+
Focal 30A1	37.4 +2.4	0.42 -0.01	53 -8	5.2 +1.2	93.9 +1.3	close		+

Compare the closest 3 against the WQ-1814S →

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.