Tang Band WQ-1858
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 20 Hz |
| Qts | 0.451 |
| Qes | 0.51 |
| Qms | 3.88 |
| Vas | 116 L |
| Sd | 500 cm² |
| Xmax | 13.3 mm |
| Re | 6.8 Ω |
| Bl | 17.9 T·m |
| Mms | 191.3 g |
| Pe | 500 W |
| Sensitivity | 85.3 dB |
Alignment hint
| EBP | 39 · 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
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| Morel UW 1258 | 21 +1 | 0.431 -0.02 | 138.4 +22.4 | 12.5 -0.8 | 86.3 +1 | close | Xmax 12.5 mm < 13.3 mm: lower excursion-limited SPL | + |
| Infinity KAPPA PERFECT 12.1 | 23.32 +3.32 | 0.44 -0.01 | 99.97 -16.03 | 14.15 +0.85 | 86.2 +0.9 | close | 4 Ω vs 8 Ω: amp load changes · 350 W vs 500 W: lower power handling | + |
| Dayton Audio RSS315HFA-8 v2016 | 22.2 +2.2 | 0.444 -0.01 | 97.2 -18.8 | 11 -2.3 | 85.8 +0.5 | close | Xmax 11 mm < 13.3 mm: lower excursion-limited SPL | + |
| Soundstream R1-12 | 21.5 +1.5 | 0.465 +0.01 | 81.1 -34.9 | 18 +4.7 | 84.8 -0.5 | usable | + | |
| Eclipse 8712.8 | 20 = | 0.39 -0.06 | 84.95 -31.05 | 18.5 +5.2 | 84.1 -1.2 | usable | 200 W vs 500 W: lower power handling | + |
| JL Audio 13W6V2-D4 | 24.3 +4.3 | 0.434 -0.02 | 111.6 -4.4 | 10.6 -2.7 | 88.3 +3 | usable | Xmax 10.6 mm < 13.3 mm: lower excursion-limited SPL | + |
| Eminence LAB 12 | | 22 +2 | 0.38 -0.07 | 125.2 +9.2 | 13 -0.3 | 89.2 +3.9 | usable | 6 Ω vs 8 Ω: amp load changes · Xmax 13 mm < 13.3 mm: lower excursion-limited SPL | + |
| Blaupunkt VCS 1200 | 23 +3 | 0.487 +0.04 | 102 -14 | 13 -0.3 | 89.9 +4.6 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 13 mm < 13.3 mm: lower excursion-limited SPL | + |
| Peerless XXLS308 SWR 51 | 21.5 +1.5 | 0.448 = | 162.5 +46.5 | 11.5 -1.8 | 88.7 +3.4 | usable | 175 W vs 500 W: lower power handling · Xmax 11.5 mm < 13.3 mm: lower excursion-limited SPL | + |
| RE Audio XXX12-V2-4 | 21 +1 | 0.404 -0.05 | 73.9 -42.1 | 13.5 +0.2 | 86.5 +1.2 | usable | + |
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.