Davis 31TCA12W
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 27 Hz |
| Qts | 0.283 |
| Qes | 0.32 |
| Qms | 2.42 |
| Vas | 335 L |
| Sd | 530 cm² |
| Xmax | 6 mm |
| Re | 6.28 Ω |
| Bl | 11.7 T·m |
| Mms | 40.8 g |
| Pe | 200 W |
| Sensitivity | 96.2 dB |
Alignment hint
| EBP | 84 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 63.9 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 |
|---|---|---|---|---|---|---|---|---|
| Crites Speakers CW1228 | 27.7 +0.7 | 0.277 -0.01 | 286.6 -48.4 | 6.4 +0.4 | 96.3 +0.1 | close | 120 W vs 200 W: lower power handling | + |
| Visaton W300S4 | 23 -4 | 0.253 -0.03 | 300 -35 | 7 +1 | 96.4 +0.2 | close | 4 Ω vs 8 Ω: amp load changes · 150 W vs 200 W: lower power handling | + |
| Siare 31TE | 23 -4 | 0.265 -0.02 | 322 -13 | 5 -1 | 95.1 -1.1 | usable | 120 W vs 200 W: lower power handling · Xmax 5 mm < 6 mm: lower excursion-limited SPL | + |
| Tonsil GDN 30/80/2 | 25 -2 | 0.26 -0.02 | 270 -65 | 6 = | 93.5 -2.7 | usable | 80 W vs 200 W: lower power handling | + |
| Siare 31TE V2 | 23 -4 | 0.265 -0.02 | 387 +52 | 5 -1 | 95.9 -0.3 | usable | 120 W vs 200 W: lower power handling · Xmax 5 mm < 6 mm: lower excursion-limited SPL | + |
| Audax HD33S66 vp | 28.8 +1.8 | 0.272 -0.01 | 441.3 +106.3 | 9.9 +3.9 | 98.5 +2.3 | usable | 150 W vs 200 W: lower power handling | + |
| Audiotechnology FLEXUNIT 12B772510 | 25 -2 | 0.299 +0.02 | 250 -85 | 8.6 +2.6 | 94.3 -1.9 | usable | + | |
| Monacor SPP-300/AD | 23 -4 | 0.265 -0.02 | 305 -30 | 5 -1 | 93.9 -2.3 | usable | 100 W vs 200 W: lower power handling · Xmax 5 mm < 6 mm: lower excursion-limited SPL | + |
| Audax PR330M0 | 28 +1 | 0.269 -0.01 | 264 -71 | 4 -2 | 96.5 +0.3 | usable | 150 W vs 200 W: lower power handling · Xmax 4 mm < 6 mm: lower excursion-limited SPL | + |
| Monacor SP-305PA | 35 +8 | 0.283 = | 315 -20 | 5.3 -0.7 | 99.8 +3.6 | usable | Xmax 5.3 mm < 6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 31TCA12W →
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.