18 Sound 12MB710
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 46 Hz |
| Qts | 0.2 |
| Qes | 0.2 |
| Qms | 10.3 |
| Vas | 81 L |
| Sd | 531 cm² |
| Xmax | 5 mm |
| Re | 5 Ω |
| Bl | 20.5 T·m |
| Mms | 59 g |
| Pe | 500 W |
| Sensitivity | 100 dB |
Alignment hint
| EBP | 230 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 7 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 |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 12MB720 | 46 = | 0.2 = | 81 = | 5 = | 100 = | close | + | |
| 18 Sound 12MB810 | 46 = | 0.2 = | 81 = | 5 = | 100 = | close | + | |
| Oberton 12NXL400 | 48.6 +2.6 | 0.203 = | 79.24 -1.76 | 5.25 +0.25 | 101 +1 | close | + | |
| PHL Audio 4040 | 45 -1 | 0.208 +0.01 | 85 +4 | 4.9 -0.1 | 99.1 -0.9 | close | Xmax 4.9 mm < 5 mm: lower excursion-limited SPL | + |
| Beyma 12P80/Fe | 46 = | 0.186 -0.01 | 75.6 -5.4 | 5.6 +0.6 | 99.8 -0.2 | close | + | |
| Oberton 12NB450 | 46.46 +0.46 | 0.204 = | 72.57 -8.43 | 7.75 +2.75 | 100 = | close | + | |
| B&C 12NDL76 | 50 +4 | 0.2 = | 73 -8 | 7 +2 | 100 = | close | + | |
| 18 Sound 12MB600 | 46 = | 0.19 -0.01 | 86 +5 | 4.5 -0.5 | 101 +1 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 4.5 mm < 5 mm: lower excursion-limited SPL | + |
| PHL Audio 4050 | 49 +3 | 0.197 = | 84 +3 | 4.1 -0.9 | 100.1 +0.1 | close | 350 W vs 500 W: lower power handling · Xmax 4.1 mm < 5 mm: lower excursion-limited SPL | + |
| Beyma 12P80FE V2 | 50 +4 | 0.201 = | 66.8 -14.2 | 5.2 +0.2 | 99.9 -0.1 | close | + |
Compare the closest 3 against the 12MB710 →
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.