HiVi M12 8 Ohms
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 27 Hz |
| Qts | 0.335 |
| Qes | 0.36 |
| Qms | 4.87 |
| Vas | 81.4 L |
| Sd | 515 cm² |
| Xmax | 5.2 mm |
| Re | 6.5 Ω |
| Bl | 22 T·m |
| Mms | 158.7 g |
| Pe | 150 W |
| Sensitivity | 89.4 dB |
Alignment hint
| EBP | 75 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 23.6 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 |
|---|---|---|---|---|---|---|---|---|
| HiVi M12A | 27 = | 0.335 = | 81.4 = | 5.2 = | 91.1 +1.7 | close | + | |
| HiVi 12M | 27 = | 0.335 = | 81.4 = | 5.2 = | 92.2 +2.8 | close | 4 Ω vs 8 Ω: amp load changes | + |
| HiVi M12 | 27 = | 0.335 = | 81.4 = | 5.2 = | 92.2 +2.8 | close | 4 Ω vs 8 Ω: amp load changes | + |
| HiVi M12 4 Ohms | 27 = | 0.335 = | 81.4 = | 5.2 = | 92.2 +2.8 | close | 4 Ω vs 8 Ω: amp load changes | + |
| HiVi M12_Le | 27 = | 0.335 = | 81.4 = | 5.2 = | 92.2 +2.8 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Audio System R12 | 27.7 +0.7 | 0.35 +0.01 | 84.3 +2.9 | 8.5 +3.3 | 88.6 -0.8 | close | 4 Ω vs 8 Ω: amp load changes | + |
| AER SB 12 | 29 +2 | 0.349 +0.01 | 82 +0.6 | 7.1 +1.9 | 90.6 +1.2 | close | + | |
| Oxygen AIR2 300 vp | 22 -5 | 0.34 +0.01 | 82 +0.6 | 9.6 +4.4 | 89.4 = | close | 4 Ω vs 8 Ω: amp load changes | + |
| Tang Band W8Q-1071F | 27 = | 0.334 = | 70.4 -11 | 9.7 +4.5 | 91.8 +2.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Sony XS-L122P5S | 24.8 -2.2 | 0.369 +0.03 | 86.7 +5.3 | 5.7 +0.5 | 91.1 +1.7 | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the M12 8 Ohms →
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.