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Beyma SM115/N

15" · 8 Ω · 400 W · 98.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance8 Ω
Fs29 Hz
Qts0.291
Qes0.3
Qms10.1
Vas430 L
Sd880 cm²
Xmax7.3 mm
Re6.5 Ω
Bl17.3 T·m
Mms76 g
Pe400 W
Sensitivity98.3 dB

Alignment hint

EBP97 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 87.7 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Usher Audio 15HM Studio27 -20.28 -0.01385 -455.9 -1.498 -0.3close150 W vs 400 W: lower power handling · Xmax 5.9 mm < 7.3 mm: lower excursion-limited SPL+
Crites Speakers CW1526 V201726.3 -2.70.346 +0.05437.2 +7.27.2 -0.199.1 +0.8close4 Ω vs 8 Ω: amp load changes · 150 W vs 400 W: lower power handling · Xmax 7.2 mm < 7.3 mm: lower excursion-limited SPL+
Supravox 400 GN-B28.5 -0.50.272 -0.02450 +205 -2.398.6 +0.3close120 W vs 400 W: lower power handling · Xmax 5 mm < 7.3 mm: lower excursion-limited SPL+
Great Plains Audio 515-8C GPA27.8 -1.20.299 +0.01422.5 -7.54.7 -2.697.6 -0.7close75 W vs 400 W: lower power handling · Xmax 4.7 mm < 7.3 mm: lower excursion-limited SPL+
Scan-Speak 38WE/8582T0026 -30.243 -0.05423 -79.5 +2.297.5 -0.8close+
Beyma 15LW3032 +30.28 -0.01325 -1057 -0.398.8 +0.5usableXmax 7 mm < 7.3 mm: lower excursion-limited SPL+
AE Speakers TD15X 8 Ohms23.2 -5.80.287 =467 +377 -0.396.3 -2usable250 W vs 400 W: lower power handling · Xmax 7 mm < 7.3 mm: lower excursion-limited SPL+
RCF L 15P200 v198329 =0.291 =280 -1507.4 +0.196.6 -1.7usable300 W vs 400 W: lower power handling+
Davis 39GPA1526.2 -2.80.338 +0.05384 -467.5 +0.297 -1.3usable300 W vs 400 W: lower power handling+
Beyma 15XA38ND33 +40.288 =359 -716 -1.399 +0.7usableXmax 6 mm < 7.3 mm: lower excursion-limited SPL+

Compare the closest 3 against the SM115/N →

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.