Beyma 15"WR400

15" · 8 Ω · 400 W · 99 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	36 Hz
Qts	0.3
Qes	0.31
Qms	8.2
Vas	236 L
Sd	880 cm²
Xmax	6.3 mm
Re	5.6 Ω
Bl	19.2 T·m
Mms	91 g
Pe	400 W
Sensitivity	99 dB

Alignment hint

EBP	116 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 51.8 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
Beyma 15WR400 v2020	36 =	0.299 =	236 =	6.3 =	99 =	close		+
Beyma 15XA38Nd v2020	38 +2	0.296 =	238 +2	6 -0.3	99 =	close	Xmax 6 mm < 6.3 mm: lower excursion-limited SPL	+
18 Sound 15W700	38 +2	0.3 =	217 -19	6.5 +0.2	99 =	close		+
Max Speaker PR1566	36 =	0.296 =	262 +26	8.6 +2.3	99.1 +0.1	close		+
Faital PRO 15PR400	35 -1	0.31 +0.01	248.9 +12.9	5.75 -0.55	99 =	close	4 Ω vs 8 Ω: amp load changes · Xmax 5.75 mm < 6.3 mm: lower excursion-limited SPL	+
Monacor SP-15/500FH	35 -1	0.31 +0.01	218 -18	7.8 +1.5	98.6 -0.4	close		+
RCF L 15/542K	36 =	0.3 =	250 +14	5 -1.3	98.8 -0.2	close	Xmax 5 mm < 6.3 mm: lower excursion-limited SPL	+
Faital PRO 15PR400	35 -1	0.32 +0.02	248.9 +12.9	5.75 -0.55	99 =	close	Xmax 5.75 mm < 6.3 mm: lower excursion-limited SPL	+
Faital PRO 15PR400 v2021	35 -1	0.322 +0.02	248.9 +12.9	5.8 -0.5	98.9 -0.1	close	Xmax 5.8 mm < 6.3 mm: lower excursion-limited SPL	+
Celestion BX15-4085HS8	35 -1	0.27 -0.03	247.6 +11.6	6.5 +0.2	99.3 +0.3	close		+

Compare the closest 3 against the 15"WR400 →

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.