Davis 31TCA12 vn2
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 51.8 Hz |
| Qts | 0.484 |
| Qes | 0.562 |
| Qms | 3.49 |
| Vas | 78.4 L |
| Sd | 538 cm² |
| Xmax | 4.6 mm |
| Re | 6.18 Ω |
| Bl | 13.2 T·m |
| Mms | 48.8 g |
| Pe | 200 W |
| Sensitivity | 96 dB |
Alignment hint
| EBP | 92 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 69.1 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 |
|---|---|---|---|---|---|---|---|---|
| Davis 31TCA12 vp2015 n1 | 51.8 = | 0.484 = | 78.4 = | 4.6 = | 96 = | close | + | |
| Davis 31TCA12 N1 | 51.1 -0.7 | 0.479 -0.01 | 84.1 +5.7 | 4.7 +0.1 | 96.1 +0.1 | close | + | |
| the box Speaker 12-280/8-A | 50.6 -1.2 | 0.472 -0.01 | 72.8 -5.6 | 5.5 +0.9 | 96.1 +0.1 | close | + | |
| Elder Audio 12LB075-U | 50 -1.8 | 0.472 -0.01 | 72.8 -5.6 | 5.5 +0.9 | 96 = | close | + | |
| Faital PRO 12PR330 | 52 +0.2 | 0.49 +0.01 | 76.3 -2.1 | 7.27 +2.67 | 97 +1 | close | 16 Ω vs 8 Ω: amp load changes | + |
| Eminence DELTA 12 LF v2 | 51 -0.8 | 0.477 -0.01 | 67.9 -10.5 | 4.6 = | 95.7 -0.3 | close | + | |
| Eminence DELTA 12 LFA | 51 -0.8 | 0.477 -0.01 | 67.9 -10.5 | 4.8 +0.2 | 95.7 -0.3 | close | + | |
| Radian CRS1230 | 48 -3.8 | 0.464 -0.02 | 76 -2.4 | 5.5 +0.9 | 95.8 -0.2 | close | + | |
| Davis 31TCA12 vp2015 n2 | 48.5 -3.3 | 0.471 -0.01 | 85.1 +6.7 | 4.9 +0.3 | 95.6 -0.4 | close | + | |
| LaVoce FBASS12-20 | 53 +1.2 | 0.46 -0.02 | 75.41 -2.99 | 4.3 -0.3 | 97 +1 | close | Xmax 4.3 mm < 4.6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 31TCA12 vn2 →
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.