Beyma 15G400

15" · 8 Ω · 400 W · 97.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	35 Hz
Qts	0.271
Qes	0.28
Qms	8.3
Vas	175 L
Sd	830 cm²
Xmax	6.1 mm
Re	6 Ω
Bl	23.2 T·m
Mms	114.1 g
Pe	400 W
Sensitivity	97.5 dB

Alignment hint

EBP	125 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 30.1 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
PHL Audio 5012MNdU	36 +1	0.268 =	175 =	6 -0.1	98.3 +0.8	close	Xmax 6 mm < 6.1 mm: lower excursion-limited SPL	+
PHL Audio 5011	36 +1	0.268 =	174.7 -0.3	6 -0.1	98.3 +0.8	close	Xmax 6 mm < 6.1 mm: lower excursion-limited SPL	+
Celestion FTR15-4080FD	35.4 +0.4	0.28 +0.01	164.3 -10.7	6 -0.1	97 -0.5	close	Xmax 6 mm < 6.1 mm: lower excursion-limited SPL	+
DAS Audio 15S	35 =	0.287 +0.02	188 +13	8 +1.9	97.4 -0.1	close		+
PHL Audio 5052	35 =	0.254 -0.02	190 +15	6.2 +0.1	98.3 +0.8	close		+
SICA 15 K3 PL-8	40 +5	0.27 =	166.1 -8.9	6.5 +0.4	97.6 +0.1	close		+
Fane COLOSSUS 15XBN	38 +3	0.279 +0.01	168 -7	7.5 +1.4	98.1 +0.6	close		+
Faital PRO 15FH510	35 =	0.26 -0.01	191.8 +16.8	9.25 +3.15	98 +0.5	close		+
DAS Audio 15H	35 =	0.287 +0.02	203 +28	6 -0.1	97.8 +0.3	close	Xmax 6 mm < 6.1 mm: lower excursion-limited SPL	+
Celestion FTR15-4080F-Bis	35 =	0.243 -0.03	182.8 +7.8	6 -0.1	98.3 +0.8	close	Xmax 6 mm < 6.1 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15G400 →

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.