MCM Electronics 55-2963

15" · 8 Ω · 200 W · 95.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	32 Hz
Qts	0.386
Qes	0.437
Qms	3.3
Vas	286 L
Sd	851 cm²
Xmax	6.5 mm
Re	7.2 Ω
Bl	17.1 T·m
Mms	87.8 g
Pe	200 W
Sensitivity	95.8 dB

Alignment hint

EBP	73 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 121.4 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
18 Sound 15W200 vp	32 =	0.35 -0.04	268.7 -17.3	6 -0.5	96.6 +0.8	close	Xmax 6 mm < 6.5 mm: lower excursion-limited SPL	+
Beyma SM115/N 8 ohms	35 +3	0.382 =	267 -19	7.3 +0.8	97.5 +1.7	close		+
Beyma SM115/N v2015	35 +3	0.382 =	267 -19	7.3 +0.8	97.5 +1.7	close		+
SICA 15 S 3 PL 8 Ohms	33 +1	0.38 -0.01	230 -56	8 +1.5	97.1 +1.3	close		+
Sica 15 S 3 PL	33 +1	0.38 -0.01	230 -56	8 +1.5	97.2 +1.4	close		+
Beyma SM115 vp2	35.4 +3.4	0.365 -0.02	295.8 +9.8	7.3 +0.8	98.2 +2.4	close		+
Eminence EMINATOR 2515	28.7 -3.3	0.367 -0.02	274.8 -11.2	6 -0.5	97.6 +1.8	close	4 Ω vs 8 Ω: amp load changes · Xmax 6 mm < 6.5 mm: lower excursion-limited SPL	+
Fostex W 200	32 =	0.35 -0.04	268.7 -17.3	5.2 -1.3	96.6 +0.8	close	150 W vs 200 W: lower power handling · Xmax 5.2 mm < 6.5 mm: lower excursion-limited SPL	+
Beyma CM-15G	34 +2	0.375 -0.01	285 -1	5 -1.5	97.7 +1.9	close	Xmax 5 mm < 6.5 mm: lower excursion-limited SPL	+
TAD TL-1603	28 -4	0.342 -0.04	304 +18	6.8 +0.3	95.5 -0.3	close		+

Compare the closest 3 against the 55-2963 →

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.