Electro-Voice SP12 vp
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 44 Hz |
| Qts | 0.24 |
| Qes | 0.27 |
| Qms | 2.16 |
| Vas | 123.5 L |
| Sd | 530 cm² |
| Xmax | 2.2 mm |
| Re | 6 Ω |
| Bl | 16 T·m |
| Mms | 41.7 g |
| Pe | 50 W |
| Sensitivity | 99.1 dB |
Alignment hint
| EBP | 163 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 16.1 L |
EBP > 100: favours a ported (bass-reflex) 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 |
|---|---|---|---|---|---|---|---|---|
| Altec ER-12 | 47.7 +3.7 | 0.256 +0.02 | 121.2 -2.3 | 2.5 +0.3 | 99.6 +0.5 | close | + | |
| Monacor SP-310PA | 48 +4 | 0.248 +0.01 | 111 -12.5 | 2.5 +0.3 | 99.5 +0.4 | close | + | |
| Eminence KAPPA-12A | 45 +1 | 0.27 +0.03 | 112.1 -11.4 | 3.2 +1 | 99.3 +0.2 | close | + | |
| Eminence KAPPA 12 | 45 +1 | 0.27 +0.03 | 112.1 -11.4 | 3.2 +1 | 99.3 +0.2 | close | + | |
| Eminence KAPPA 12 A | 45 +1 | 0.27 +0.03 | 112.1 -11.4 | 3.2 +1 | 99.3 +0.2 | close | + | |
| Beyma 12CXA400FE | 42 -2 | 0.251 +0.01 | 119 -4.5 | 6 +3.8 | 98.1 -1 | close | + | |
| Fane STUDIO 12L | 49 +5 | 0.241 = | 120.9 -2.6 | 4.3 +2.1 | 101.2 +2.1 | close | + | |
| RCF L 12/544 | 40 -4 | 0.224 -0.02 | 130 +6.5 | 4.9 +2.7 | 98.7 -0.4 | close | + | |
| Fostex F 356 | 46.9 +2.9 | 0.272 +0.03 | 143 +19.5 | 2.6 +0.4 | 99.3 +0.2 | close | + | |
| RCF L12/554K | 40.3 -3.7 | 0.23 -0.01 | 130 +6.5 | 5 +2.8 | 97.5 -1.6 | close | + |
Compare the closest 3 against the SP12 vp →
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.