P.Audio BM15CX38

15" · 8 Ω · 500 W · 100.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	36 Hz
Qts	0.221
Qes	0.23
Qms	5.53
Vas	287 L
Sd	830 cm²
Xmax	4.5 mm
Re	7 Ω
Bl	21.3 T·m
Mms	65.8 g
Pe	500 W
Sensitivity	100.2 dB

Alignment hint

EBP	157 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 31.1 L

EBP > 100: favours a ported (bass-reflex) 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 15GT200 v1990	34 -2	0.236 +0.01	276 -11	5 +0.5	99.4 -0.8	close	250 W vs 500 W: lower power handling	+
Fane SOVEREIGN PRO 15-600N	33 -3	0.222 =	310 +23	6.5 +2	100.5 +0.3	close		+
JBL E145	35 -1	0.249 +0.03	274.7 -12.3	4.1 -0.4	100 -0.2	close	150 W vs 500 W: lower power handling · Xmax 4.1 mm < 4.5 mm: lower excursion-limited SPL	+
Altec 921-8A	34.1 -1.9	0.257 +0.04	299 +12	5.2 +0.7	100.1 -0.1	close	200 W vs 500 W: lower power handling	+
Benett 15.200 X/N	34.3 -1.7	0.211 -0.01	338 +51	5 +0.5	101.2 +1	close	200 W vs 500 W: lower power handling	+
Beyma 15GT200 v2	31 -5	0.218 =	270 -17	5.4 +0.9	98.8 -1.4	close	250 W vs 500 W: lower power handling	+
Beyma 15GT200 v1	30.4 -5.6	0.223 =	270 -17	5.5 +1	98.4 -1.8	close	250 W vs 500 W: lower power handling	+
Electro-Voice EVX-155	35.4 -0.6	0.212 -0.01	220 -67	6.4 +1.9	100.5 +0.3	close		+
PD 153ERC002	38 +2	0.249 +0.03	263 -24	6.8 +2.3	100.9 +0.7	close		+
Precision Devices 153ERC002	38 +2	0.249 +0.03	263 -24	6.8 +2.3	100.9 +0.7	close		+

Compare the closest 3 against the BM15CX38 →

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.