MCM Electronics 55-2953
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 32 Hz |
| Qts | 0.408 |
| Qes | 0.475 |
| Qms | 2.9 |
| Vas | 232 L |
| Sd | 851 cm² |
| Xmax | 3.8 mm |
| Re | 7.2 Ω |
| Bl | 18.2 T·m |
| Mms | 108.2 g |
| Pe | 200 W |
| Sensitivity | 94.5 dB |
Alignment hint
| EBP | 67 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 115.8 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 |
|---|---|---|---|---|---|---|---|---|
| Rockford Fosgate SPP-154 | 30 -2 | 0.4 -0.01 | 235 +3 | 3.8 = | 96.3 +1.8 | close | 4 Ω vs 8 Ω: amp load changes · 100 W vs 200 W: lower power handling | + |
| Celestion PULSE15 | 35.7 +3.7 | 0.431 +0.02 | 246.7 +14.7 | 4.75 +0.95 | 95.6 +1.1 | close | + | |
| SICA 15 S 3 PL 8 Ohms | 33 +1 | 0.38 -0.03 | 230 -2 | 8 +4.2 | 97.1 +2.6 | close | + | |
| GRS 15PT-8 | 28 -4 | 0.415 +0.01 | 242 +10 | 7.8 +4 | 93.2 -1.3 | close | + | |
| Sica 15 S 3 PL | 33 +1 | 0.38 -0.03 | 230 -2 | 8 +4.2 | 97.2 +2.7 | close | + | |
| Beyma 15SP | 32 = | 0.412 = | 309 +77 | 4.3 +0.5 | 96.9 +2.4 | close | 150 W vs 200 W: lower power handling | + |
| MCM Electronics 55-2963 | 32 = | 0.386 -0.02 | 286 +54 | 6.5 +2.7 | 95.8 +1.3 | close | + | |
| Celestion PULSE 15 | 35.7 +3.7 | 0.431 +0.02 | 246.7 +14.7 | 4.8 +1 | 97.2 +2.7 | close | + | |
| SB Audience BIANCO-15OB350 v2022 | 32 = | 0.493 +0.09 | 239.4 +7.4 | 9.2 +5.4 | 94.2 -0.3 | close | + | |
| Martin Audio L-1530 vp | 30 -2 | 0.331 -0.08 | 220 -12 | 5 +1.2 | 94.7 +0.2 | close | + |
Compare the closest 3 against the 55-2953 →
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.