Davis 31TCA12 vp3
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 49.1 Hz |
| Qts | 0.452 |
| Qes | 0.528 |
| Qms | 3.119 |
| Vas | 115.6 L |
| Sd | 535 cm² |
| Xmax | 5.6 mm |
| Re | 6.16 Ω |
| Bl | 11.5 T·m |
| Mms | 36.5 g |
| Pe | 200 W |
| Sensitivity | 97.3 dB |
Alignment hint
| EBP | 93 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 79.9 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 |
|---|---|---|---|---|---|---|---|---|
| Davis 31TCA12 vp | 49.1 = | 0.459 +0.01 | 107.8 -7.8 | 5.5 -0.1 | 96.9 -0.4 | close | Xmax 5.5 mm < 5.6 mm: lower excursion-limited SPL | + |
| Davis 31TCA12 vp2 | 46.4 -2.7 | 0.449 = | 113.1 -2.5 | 5.7 +0.1 | 96.4 -0.9 | close | + | |
| Fane SOVEREIGN 12-200 | 45 -4.1 | 0.443 -0.01 | 104.8 -10.8 | 5.5 -0.1 | 97 -0.3 | close | Xmax 5.5 mm < 5.6 mm: lower excursion-limited SPL | + |
| PHL Audio 4530 vp | 45.8 -3.3 | 0.45 = | 104.5 -11.1 | 6 +0.4 | 95.8 -1.5 | close | + | |
| Eminence BETA-12A | 47 -2.1 | 0.46 +0.01 | 120.1 +4.5 | 4.4 -1.2 | 98 +0.7 | close | Xmax 4.4 mm < 5.6 mm: lower excursion-limited SPL | + |
| Eminence BETA 12A | 47 -2.1 | 0.462 +0.01 | 120 +4.4 | 4.4 -1.2 | 98 +0.7 | close | Xmax 4.4 mm < 5.6 mm: lower excursion-limited SPL | + |
| Eminence BETA 12A2 | 47 -2.1 | 0.462 +0.01 | 120.1 +4.5 | 4.4 -1.2 | 98 +0.7 | close | Xmax 4.4 mm < 5.6 mm: lower excursion-limited SPL | + |
| PHL Audio 4530 vp clio p | 47.1 -2 | 0.46 +0.01 | 93.2 -22.4 | 6 +0.4 | 95.7 -1.6 | close | + | |
| Davis 31TCA12 v2015 | 48.5 -0.6 | 0.442 -0.01 | 92.3 -23.3 | 5 -0.6 | 96.5 -0.8 | close | Xmax 5 mm < 5.6 mm: lower excursion-limited SPL | + |
| MCM Electronics 55-3233 | 42 -7.1 | 0.459 +0.01 | 122.6 +7 | 4.9 -0.7 | 98 +0.7 | close | 4 Ω vs 8 Ω: amp load changes · 120 W vs 200 W: lower power handling · Xmax 4.9 mm < 5.6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 31TCA12 vp3 →
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.