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Tang Band WQ-1858

12" · 8 Ω · 500 W · 85.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs20 Hz
Qts0.451
Qes0.51
Qms3.88
Vas116 L
Sd500 cm²
Xmax13.3 mm
Re6.8 Ω
Bl17.9 T·m
Mms191.3 g
Pe500 W
Sensitivity85.3 dB

Alignment hint

EBP39 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 79.6 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
Morel UW 125821 +10.431 -0.02138.4 +22.412.5 -0.886.3 +1closeXmax 12.5 mm < 13.3 mm: lower excursion-limited SPL+
Infinity KAPPA PERFECT 12.123.32 +3.320.44 -0.0199.97 -16.0314.15 +0.8586.2 +0.9close4 Ω vs 8 Ω: amp load changes · 350 W vs 500 W: lower power handling+
Dayton Audio RSS315HFA-8 v201622.2 +2.20.444 -0.0197.2 -18.811 -2.385.8 +0.5closeXmax 11 mm < 13.3 mm: lower excursion-limited SPL+
Soundstream R1-1221.5 +1.50.465 +0.0181.1 -34.918 +4.784.8 -0.5usable+
Eclipse 8712.820 =0.39 -0.0684.95 -31.0518.5 +5.284.1 -1.2usable200 W vs 500 W: lower power handling+
JL Audio 13W6V2-D424.3 +4.30.434 -0.02111.6 -4.410.6 -2.788.3 +3usableXmax 10.6 mm < 13.3 mm: lower excursion-limited SPL+
Eminence LAB 12 |22 +20.38 -0.07125.2 +9.213 -0.389.2 +3.9usable6 Ω vs 8 Ω: amp load changes · Xmax 13 mm < 13.3 mm: lower excursion-limited SPL+
Blaupunkt VCS 120023 +30.487 +0.04102 -1413 -0.389.9 +4.6usable4 Ω vs 8 Ω: amp load changes · Xmax 13 mm < 13.3 mm: lower excursion-limited SPL+
Peerless XXLS308 SWR 5121.5 +1.50.448 =162.5 +46.511.5 -1.888.7 +3.4usable175 W vs 500 W: lower power handling · Xmax 11.5 mm < 13.3 mm: lower excursion-limited SPL+
RE Audio XXX12-V2-421 +10.404 -0.0573.9 -42.113.5 +0.286.5 +1.2usable+

Compare the closest 3 against the WQ-1858 →

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.