Beyma 15SP

15" · 8 Ω · 150 W · 96.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	32 Hz
Qts	0.412
Qes	0.47
Qms	3.37
Vas	309 L
Sd	700 cm²
Xmax	4.3 mm
Re	5.5 Ω
Bl	11.4 T·m
Mms	55 g
Pe	150 W
Sensitivity	96.9 dB

Alignment hint

EBP	68 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 158.8 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
MCM Electronics 55-2963	32 =	0.386 -0.03	286 -23	6.5 +2.2	95.8 -1.1	close		+
JBL 2216ND vp boris	30.7 -1.3	0.361 -0.05	312.7 +3.7	5 +0.7	98 +1.1	close	100 W vs 150 W: lower power handling	+
Beyma 15XM	36 +4	0.398 -0.01	310 +1	4 -0.3	98.9 +2	close	Xmax 4 mm < 4.3 mm: lower excursion-limited SPL	+
Beyma CM-15G	34 +2	0.375 -0.04	285 -24	5 +0.7	97.7 +0.8	close		+
MCM Electronics 55-3234	32.5 +0.5	0.458 +0.05	322.2 +13.2	6 +1.7	98.9 +2	close	4 Ω vs 8 Ω: amp load changes	+
MCM Electronics 55-2974	32.5 +0.5	0.473 +0.06	322.2 +13.2	6 +1.7	95.4 -1.5	close		+
Audax PR38EX66UST	33 +1	0.344 -0.07	309 =	4 -0.3	97.9 +1	close	Xmax 4 mm < 4.3 mm: lower excursion-limited SPL	+
MCM Electronics 55-3213	32.5 +0.5	0.473 +0.06	322.2 +13.2	6 +1.7	98.7 +1.8	close	4 Ω vs 8 Ω: amp load changes	+
Fostex W 200	32 =	0.35 -0.06	268.7 -40.3	5.2 +0.9	96.6 -0.3	close		+
Beyma 15T100/N vp	35 +3	0.455 +0.04	275 -34	6 +1.7	96.8 -0.1	close		+

Compare the closest 3 against the 15SP →

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.