Beyma CM15/T

15" · 8 Ω · 200 W · 95.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	34 Hz
Qts	0.615
Qes	0.66
Qms	9.11
Vas	293 L
Sd	870 cm²
Xmax	3.5 mm
Re	6.3 Ω
Bl	12.7 T·m
Mms	79.3 g
Pe	200 W
Sensitivity	95.4 dB

Alignment hint

EBP	52 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 910 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
Davis 39RCA15	33.7 -0.3	0.612 =	258 -35	4 +0.5	95.3 -0.1	close		+
Sphynx SP-W15-PRO	32 -2	0.616 =	273 -20	4 +0.5	92.8 -2.6	close	16 Ω vs 8 Ω: amp load changes · 150 W vs 200 W: lower power handling	+
Selenium 15PW3	37 +3	0.61 -0.01	274 -19	3 -0.5	94.9 -0.5	close	Xmax 3 mm < 3.5 mm: lower excursion-limited SPL	+
PRV Audio 15W 700	31.7 -2.3	0.625 +0.01	308.1 +15.1	6.9 +3.4	94.7 -0.7	close		+
Eminence BETA 15	35 +1	0.585 -0.03	334.6 +41.6	4 +0.5	96.6 +1.2	close		+
Eminence BETA 15A	35 +1	0.585 -0.03	334.6 +41.6	4 +0.5	96.6 +1.2	close		+
Stromberg-Carlson RF 484 vp2	31 -3	0.598 -0.02	294.9 +1.9	4 +0.5	92.7 -2.7	close	150 W vs 200 W: lower power handling	+
Celestion K15-100	35 +1	0.594 -0.02	342 +49	5 +1.5	96.2 +0.8	close	100 W vs 200 W: lower power handling	+
Kenford PA380 vp	34 =	0.522 -0.09	260 -33	3.5 =	95.6 +0.2	close		+
Celestion K15T-100	35 +1	0.616 =	364.7 +71.7	3 -0.5	96.3 +0.9	close	100 W vs 200 W: lower power handling · Xmax 3 mm < 3.5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the CM15/T →

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.