Beyma SM115 vp3

15" · 8 Ω · 400 W · 97.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	35 Hz
Qts	0.335
Qes	0.36
Qms	4.76
Vas	282.9 L
Sd	881.4 cm²
Xmax	7.3 mm
Re	6.92 Ω
Bl	18.3 T·m
Mms	79.6 g
Pe	400 W
Sensitivity	97.9 dB

Alignment hint

EBP	97 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 81.9 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 SM115 v2	35 =	0.315 -0.02	276 -6.9	7.3 =	98.4 +0.5	close		+
Beyma SM115 vp4	35.5 +0.5	0.339 =	310.6 +27.7	7.3 =	99 +1.1	close		+
Beyma SM115 vp2	35.4 +0.4	0.365 +0.03	295.8 +12.9	7.3 =	98.2 +0.3	close		+
Beyma 15LW30 v2015	34 -1	0.325 -0.01	251 -31.9	7 -0.3	97.6 -0.3	close	Xmax 7 mm < 7.3 mm: lower excursion-limited SPL	+
Beyma SM115 vp1	35.9 +0.9	0.355 +0.02	314.2 +31.3	7.3 =	98.5 +0.6	close		+
Beyma SM115/N 8 ohms	35 =	0.382 +0.05	267 -15.9	7.3 =	97.5 -0.4	close		+
Beyma SM115/N v2015	35 =	0.382 +0.05	267 -15.9	7.3 =	97.5 -0.4	close		+
AE Speakers TD15M	34.7 -0.3	0.327 -0.01	312 +29.1	6 -1.3	98.5 +0.6	close	250 W vs 400 W: lower power handling · Xmax 6 mm < 7.3 mm: lower excursion-limited SPL	+
AE Speakers TD15M 8 Ohms	34.7 -0.3	0.327 -0.01	312 +29.1	6 -1.3	98.5 +0.6	close	250 W vs 400 W: lower power handling · Xmax 6 mm < 7.3 mm: lower excursion-limited SPL	+
Faital PRO 15PR400 vp	32.8 -2.2	0.332 =	263.2 -19.7	5.8 -1.5	98 +0.1	close	Xmax 5.8 mm < 7.3 mm: lower excursion-limited SPL	+

Compare the closest 3 against the SM115 vp3 →

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.