Eminence BETA-15A

15" · 8 Ω · 300 W · 98.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	35 Hz
Qts	0.58
Qes	0.63
Qms	8.1
Vas	334.6 L
Sd	823.7 cm²
Xmax	4 mm
Re	6.32 Ω
Bl	11.5 T·m
Mms	60 g
Pe	300 W
Sensitivity	98.2 dB

Alignment hint

EBP	56 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 688 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 BETA 15	35 =	0.585 +0.01	334.6 =	4 =	96.6 -1.6	close		+
Eminence BETA 15A	35 =	0.585 +0.01	334.6 =	4 =	96.6 -1.6	close		+
Celestion K15-100	35 =	0.594 +0.01	342 +7.4	5 +1	96.2 -2	close	100 W vs 300 W: lower power handling	+
Hyper Phase CM15T	35 =	0.508 -0.07	308 -26.6	3.5 -0.5	97 -1.2	close	150 W vs 300 W: lower power handling · Xmax 3.5 mm < 4 mm: lower excursion-limited SPL	+
Supravox 380-2000 LC	38.7 +3.7	0.568 -0.01	272.2 -62.4	5 +1	97.3 -0.9	close	120 W vs 300 W: lower power handling	+
Celestion K15T-100	35 =	0.616 +0.04	364.7 +30.1	3 -1	96.3 -1.9	close	100 W vs 300 W: lower power handling · Xmax 3 mm < 4 mm: lower excursion-limited SPL	+
Beyma CM15/T	34 -1	0.615 +0.04	293 -41.6	3.5 -0.5	95.4 -2.8	close	200 W vs 300 W: lower power handling · Xmax 3.5 mm < 4 mm: lower excursion-limited SPL	+
Celestion BN15-400X v2018	35.1 +0.1	0.527 -0.05	253 -81.6	4 =	96.5 -1.7	usable		+
MCM Electronics 55-3213	32.5 -2.5	0.473 -0.11	322.2 -12.4	6 +2	98.7 +0.5	usable	4 Ω vs 8 Ω: amp load changes · 200 W vs 300 W: lower power handling	+
Davis 39RCA15	33.7 -1.3	0.612 +0.03	258 -76.6	4 =	95.3 -2.9	usable	200 W vs 300 W: lower power handling	+

Compare the closest 3 against the BETA-15A →

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.