Eminence KAPPA-15A

15" · 8 Ω · 450 W · 100.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	33 Hz
Qts	0.32
Qes	0.33
Qms	8.9
Vas	321.3 L
Sd	856.3 cm²
Xmax	4 mm
Re	5.22 Ω
Bl	15.7 T·m
Mms	76 g
Pe	450 W
Sensitivity	100.5 dB

Alignment hint

EBP	100 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 82.7 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 KAPPA 15 A	33 =	0.318 =	321.3 =	5.5 +1.5	99.3 -1.2	close		+
AE Speakers TD15M 4 Ohms	34.7 +1.7	0.327 +0.01	312 -9.3	6 +2	102.1 +1.6	close	4 Ω vs 8 Ω: amp load changes · 250 W vs 450 W: lower power handling	+
Audax PR38EX66UST	33 =	0.344 +0.02	309 -12.3	4 =	97.9 -2.6	close	150 W vs 450 W: lower power handling	+
Eminence LEGEND CB15	34 +1	0.339 +0.02	336 +14.7	4.8 +0.8	98.8 -1.7	close	300 W vs 450 W: lower power handling	+
AE Speakers TD15M	34.7 +1.7	0.327 +0.01	312 -9.3	6 +2	98.5 -2	close	250 W vs 450 W: lower power handling	+
AE Speakers TD15M 8 Ohms	34.7 +1.7	0.327 +0.01	312 -9.3	6 +2	98.5 -2	close	250 W vs 450 W: lower power handling	+
Beyma 15G350	34 +1	0.293 -0.03	302 -19.3	4.5 +0.5	99 -1.5	close	250 W vs 450 W: lower power handling	+
Sonido SCW-400	34 +1	0.339 +0.02	357 +35.7	5 +1	98.6 -1.9	close	125 W vs 450 W: lower power handling	+
Sphynx SP-W15-SONO	38 +5	0.331 +0.01	376 +54.7	4 =	100.9 +0.4	close	150 W vs 450 W: lower power handling	+
Beyma SM115 vp4	35.5 +2.5	0.339 +0.02	310.6 -10.7	7.3 +3.3	99 -1.5	close		+

Compare the closest 3 against the KAPPA-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.