MCM Electronics 55-2964

18" · 8 Ω · 300 W · 98.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	27 Hz
Qts	0.313
Qes	0.355
Qms	2.63
Vas	630.6 L
Sd	1232 cm²
Xmax	6 mm
Re	6.8 Ω
Bl	19.5 T·m
Mms	117.2 g
Pe	300 W
Sensitivity	98.1 dB

Alignment hint

EBP	76 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 153.7 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
Eminence SIGMA PRO 18 A2 (prodance)	26 -1	0.299 -0.01	613 -17.6	6.1 +0.1	98.3 +0.2	close		+
Eminence DELTA PRO 18 (Prodance)	26.6 -0.4	0.301 -0.01	533.6 -97	6.7 +0.7	98.8 +0.7	close		+
Eminence SIGMA PRO 18 (prodance)	26 -1	0.301 -0.01	523 -107.6	6.1 +0.1	98.4 +0.3	close		+
Eminence DELTA PRO 18	26 -1	0.301 -0.01	523 -107.6	6.7 +0.7	98.4 +0.3	close		+
Eminence JAY7010	28.1 +1.1	0.314 =	546.6 -84	9.1 +3.1	99.2 +1.1	close		+
Eminence DELTA PRO 18 A	26 -1	0.32 +0.01	493.2 -137.4	6.7 +0.7	98 -0.1	close		+
Eminence OMEGA PRO 18 (Prodance)	24.2 -2.8	0.316 =	581.5 -49.1	4.8 -1.2	97.8 -0.3	close	Xmax 4.8 mm < 6 mm: lower excursion-limited SPL	+
Eminence OMEGA PRO 18 A	25 -2	0.308 -0.01	548.7 -81.9	4.8 -1.2	98.1 =	close	Xmax 4.8 mm < 6 mm: lower excursion-limited SPL	+
Eminence OMEGA PRO-18A	25 -2	0.31 =	548.7 -81.9	4.8 -1.2	97 -1.1	close	Xmax 4.8 mm < 6 mm: lower excursion-limited SPL	+
Eminence SIGMA PRO 18	28 +1	0.29 -0.02	441.2 -189.4	6.1 +0.1	98.1 =	usable		+

Compare the closest 3 against the 55-2964 →

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.