MCM Electronics 55-3233
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 42 Hz |
| Qts | 0.459 |
| Qes | 0.532 |
| Qms | 3.345 |
| Vas | 122.6 L |
| Sd | 531 cm² |
| Xmax | 4.9 mm |
| Re | 3.4 Ω |
| Bl | 8.8 T·m |
| Mms | 46.3 g |
| Pe | 120 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 79 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 89.3 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 |
|---|---|---|---|---|---|---|---|---|
| Eminence LTD-12MK2 | 37.9 -4.1 | 0.485 +0.03 | 123.2 +0.6 | 5.6 +0.7 | 98 = | close | + | |
| Eminence BETA-12A | 47 +5 | 0.46 = | 120.1 -2.5 | 4.4 -0.5 | 98 = | close | 8 Ω vs 4 Ω: amp load changes · Xmax 4.4 mm < 4.9 mm: lower excursion-limited SPL | + |
| Eminence BETA 12A2 | 47 +5 | 0.462 = | 120.1 -2.5 | 4.4 -0.5 | 98 = | close | 8 Ω vs 4 Ω: amp load changes · Xmax 4.4 mm < 4.9 mm: lower excursion-limited SPL | + |
| Eminence BETA 12A | 47 +5 | 0.462 = | 120 -2.6 | 4.4 -0.5 | 98 = | close | 8 Ω vs 4 Ω: amp load changes · Xmax 4.4 mm < 4.9 mm: lower excursion-limited SPL | + |
| MCM Electronics 55-2973 | 42 = | 0.481 +0.02 | 122.6 = | 5 +0.1 | 94.5 -3.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
| MCM Electronics 55-3212 | 38.5 -3.5 | 0.477 +0.02 | 122.6 = | 4.7 -0.2 | 96.6 -1.4 | close | Xmax 4.7 mm < 4.9 mm: lower excursion-limited SPL | + |
| Davis 31TCA12 vp3 | 49.1 +7.1 | 0.452 -0.01 | 115.6 -7 | 5.6 +0.7 | 97.3 -0.7 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Eminence DELTALITE II 2512 | 44 +2 | 0.406 -0.05 | 134.9 +12.3 | 4.9 = | 97.9 -0.1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Eminence DELTALITE II 2512 v2014 | 44 +2 | 0.406 -0.05 | 134.9 +12.3 | 4.9 = | 97.9 -0.1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Davis 31TCA12 vp2 | 46.4 +4.4 | 0.449 -0.01 | 113.1 -9.5 | 5.7 +0.8 | 96.4 -1.6 | close | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the 55-3233 →
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.