Beyma 15 KX

15" · 8 Ω · 300 W · 99 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	45 Hz
Qts	0.496
Qes	0.519
Qms	11.4
Vas	203 L
Sd	880 cm²
Xmax	3.5 mm
Re	5.68 Ω
Bl	14.4 T·m
Mms	66.9 g
Pe	300 W
Sensitivity	99 dB

Alignment hint

EBP	87 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 196.6 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 15KX	45 =	0.496 =	203 =	3.5 =	99 =	close		+
Celestion G15Z-200 CE	45 =	0.497 =	190.1 -12.9	4 +0.5	98.4 -0.6	close	200 W vs 300 W: lower power handling	+
Celestion 15 Professional Woofer - OEM	46.9 +1.9	0.497 =	175 -28	3.5 =	98.8 -0.2	close	150 W vs 300 W: lower power handling	+
JBL G135-A	45 =	0.473 -0.02	218 +15	5.2 +1.7	99.1 +0.1	close	200 W vs 300 W: lower power handling	+
LaVoce WSF152.02	43 -2	0.527 +0.03	210 +7	4.3 +0.8	98.3 -0.7	close	200 W vs 300 W: lower power handling	+
Audax PR38XT150	43.6 -1.4	0.421 -0.08	200 -3	3.5 =	98.9 -0.1	close	150 W vs 300 W: lower power handling	+
Eminence 040580-67-95380096-151035	44.5 -0.5	0.538 +0.04	204.9 +1.9	5.6 +2.1	100.3 +1.3	close	4 Ω vs 8 Ω: amp load changes	+
Carvin PS15	43 -2	0.46 -0.04	204 +1	3.7 +0.2	96.8 -2.2	close		+
Peavey SHEFFIELD PRO 1500+	42.7 -2.3	0.465 -0.03	212.37 +9.37	3.6 +0.1	97 -2	close		+
DAS Audio 15LM	40.4 -4.6	0.49 -0.01	206.6 +3.6	5 +1.5	97.1 -1.9	close		+

Compare the closest 3 against the 15 KX →

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.