MCM Electronics 55-2992
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 53.6 Hz |
| Qts | 0.402 |
| Qes | 0.46 |
| Qms | 3.2 |
| Vas | 44.4 L |
| Sd | 543 cm² |
| Xmax | 4.1 mm |
| Re | 6.6 Ω |
| Bl | 19.9 T·m |
| Mms | 82.2 g |
| Pe | 350 W |
| Sensitivity | 94.5 dB |
Alignment hint
| EBP | 117 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 21.2 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 |
|---|---|---|---|---|---|---|---|---|
| PD PDN 12SB40 | 47.2 -6.4 | 0.382 -0.02 | 45.1 +0.7 | 6 +1.9 | 94.2 -0.3 | close | + | |
| Precision Devices PDN 12SB40 | 47.2 -6.4 | 0.382 -0.02 | 45.1 +0.7 | 6 +1.9 | 94.2 -0.3 | close | + | |
| SB Audience NERO-12MWN400D | 55 +1.4 | 0.387 -0.02 | 48.3 +3.9 | 3.9 -0.2 | 96.8 +2.3 | close | Xmax 3.9 mm < 4.1 mm: lower excursion-limited SPL | + |
| SB Audience NERO-12MWN700D | 52.7 -0.9 | 0.383 -0.02 | 52.5 +8.1 | 3.9 -0.2 | 96.6 +2.1 | close | Xmax 3.9 mm < 4.1 mm: lower excursion-limited SPL | + |
| B&C 12 PLB 100 | 50 -3.6 | 0.365 -0.04 | 47 +2.6 | 6 +1.9 | 95.8 +1.3 | close | + | |
| Beyma 12MCS500-8 | 62 +8.4 | 0.417 +0.01 | 44 -0.4 | 4.9 +0.8 | 97.2 +2.7 | close | + | |
| P.Audio SN-12MB mk2 | 62 +8.4 | 0.413 +0.01 | 43.6 -0.8 | 5 +0.9 | 97.6 +3.1 | close | + | |
| Eminence OMEGA PRO-12-2KW-8 | 48.14 -5.46 | 0.39 -0.01 | 49.55 +5.15 | 7.1 +3 | 93.33 -1.17 | close | + | |
| Beyma 12"LX60V2 | 49 -4.6 | 0.38 -0.02 | 43 -1.4 | 9 +4.9 | 96 +1.5 | close | + | |
| Beyma 12LX60V2 | 49 -4.6 | 0.38 -0.02 | 43 -1.4 | 9 +4.9 | 92.9 -1.6 | close | + |
Compare the closest 3 against the 55-2992 →
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.