MCM Electronics 55-3243

15" · 4 Ω · 500 W · 98.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	43.6 Hz
Qts	0.465
Qes	0.554
Qms	2.894
Vas	127.5 L
Sd	855 cm²
Xmax	6.2 mm
Re	3.4 Ω
Bl	13.4 T·m
Mms	107.2 g
Pe	500 W
Sensitivity	98.5 dB

Alignment hint

EBP	79 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 97.1 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
Beyma 15MCS500-8	46 +2.4	0.47 =	133.5 +6	6.5 +0.3	97.5 -1	close	8 Ω vs 4 Ω: amp load changes	+
Beyma 15MCS500	46 +2.4	0.48 +0.01	134 +6.5	8 +1.8	98 -0.5	close	8 Ω vs 4 Ω: amp load changes	+
Beyma 15MC500	46 +2.4	0.45 -0.02	134 +6.5	8 +1.8	98 -0.5	close	8 Ω vs 4 Ω: amp load changes	+
Eminence KAPPALITE 3015 LF v2014	43.7 +0.1	0.456 -0.01	150.9 +23.4	6.6 +0.4	97.8 -0.7	close	8 Ω vs 4 Ω: amp load changes	+
Eminence KAPPALITE 3015 LF v2016	43.7 +0.1	0.456 -0.01	150.9 +23.4	6.6 +0.4	97.8 -0.7	close	8 Ω vs 4 Ω: amp load changes	+
Eminence KAPPALITE 3015 LF v2018	44 +0.4	0.456 -0.01	150.9 +23.4	6.6 +0.4	97.9 -0.6	close	8 Ω vs 4 Ω: amp load changes	+
Eminence KAPPALITE 3015 LF-4	47 +3.4	0.468 =	118.6 -8.9	5.7 -0.5	99.2 +0.7	close	Xmax 5.7 mm < 6.2 mm: lower excursion-limited SPL	+
Eminence KappaLITE 3015LF	44 +0.4	0.46 -0.01	150.9 +23.4	9.6 +3.4	98.4 -0.1	close	8 Ω vs 4 Ω: amp load changes	+
LaVoce WAN153.00	43 -0.6	0.411 -0.05	137 +9.5	6.7 +0.5	98.3 -0.2	close	8 Ω vs 4 Ω: amp load changes	+
RCF L 15P530	45 +1.4	0.478 +0.01	160 +32.5	6.2 =	98.5 =	close	8 Ω vs 4 Ω: amp load changes · 350 W vs 500 W: lower power handling	+

Compare the closest 3 against the 55-3243 →

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.