MCM Electronics 55-2974

15" · 8 Ω · 200 W · 95.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	32.5 Hz
Qts	0.473
Qes	0.559
Qms	3.085
Vas	322.2 L
Sd	840 cm²
Xmax	6 mm
Re	7.2 Ω
Bl	13.9 T·m
Mms	73.6 g
Pe	200 W
Sensitivity	95.4 dB

Alignment hint

EBP	58 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 260.9 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
MCM Electronics 55-3213	32.5 =	0.473 =	322.2 =	6 =	98.7 +3.3	close	4 Ω vs 8 Ω: amp load changes	+
MCM Electronics 55-3234	32.5 =	0.458 -0.01	322.2 =	6 =	98.9 +3.5	close	4 Ω vs 8 Ω: amp load changes	+
Eminence LEGEND BP1525	32 -0.5	0.479 +0.01	397 +74.8	6.2 +0.2	96.9 +1.5	close		+
Beyma 15T100/N vp	35 +2.5	0.455 -0.02	275 -47.2	6 =	96.8 +1.4	close		+
Supravox 380-2000 OB	27.5 -5	0.451 -0.02	360 +37.8	6.3 +0.3	95.2 -0.2	close	120 W vs 200 W: lower power handling	+
Celestion K15-200E	32 -0.5	0.473 =	386 +63.8	5 -1	97.7 +2.3	close	Xmax 5 mm < 6 mm: lower excursion-limited SPL	+
MCM Electronics 55-2963	32 -0.5	0.386 -0.09	286 -36.2	6.5 +0.5	95.8 +0.4	close		+
SB Audience BIANCO-15OB350 v2022	32 -0.5	0.493 +0.02	239.4 -82.8	9.2 +3.2	94.2 -1.2	usable		+
PRV Audio 15W 700	31.7 -0.8	0.625 +0.15	308.1 -14.1	6.9 +0.9	94.7 -0.7	usable		+
Eminence DELTA 15LF-4	40 +7.5	0.49 +0.02	253.93 -68.27	5.97 -0.03	95 -0.4	usable	4 Ω vs 8 Ω: amp load changes · Xmax 5.97 mm < 6 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 55-2974 →

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.