Beyma 10G40 v2016

10" · 8 Ω · 400 W · 94.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	45 Hz
Qts	0.306
Qes	0.32
Qms	7.1
Vas	49 L
Sd	378.9 cm²
Xmax	6.6 mm
Re	6.2 Ω
Bl	16.8 T·m
Mms	51.4 g
Pe	400 W
Sensitivity	94.5 dB

Alignment hint

EBP	141 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 11.3 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 10"G40	45 =	0.3 -0.01	49 =	7 +0.4	95 +0.5	close		+
Eminence KAPPALITE™ KL3010LF-8	45 =	0.31 =	47.33 -1.67	8.52 +1.92	92 -2.5	close		+
Beyma 10LW30	42 -3	0.293 -0.01	55 +6	7 +0.4	94.6 +0.1	close		+
Sica 10 S 3 CP	42 -3	0.3 -0.01	42.8 -6.2	7 +0.4	94 -0.5	close		+
Beyma 10WR300	47 +2	0.287 -0.02	50.5 +1.5	5.8 -0.8	95.5 +1	close	300 W vs 400 W: lower power handling · Xmax 5.8 mm < 6.6 mm: lower excursion-limited SPL	+
Faital PRO 10PR320	48 +3	0.29 -0.02	52.7 +3.7	7.37 +0.77	96 +1.5	close	300 W vs 400 W: lower power handling	+
Dayton Audio ST255-8	41.1 -3.9	0.31 =	48.7 -0.3	5.5 -1.1	93.3 -1.2	close	250 W vs 400 W: lower power handling · Xmax 5.5 mm < 6.6 mm: lower excursion-limited SPL	+
Eminence KAPPALITE 3010LF-4 vp	43.1 -1.9	0.281 -0.02	49.3 +0.3	8.4 +1.8	96.5 +2	close	4 Ω vs 8 Ω: amp load changes	+
SICA 10 S 3 CP v2017	43 -2	0.313 +0.01	39.9 -9.1	7 +0.4	93.6 -0.9	close		+
SICA 10 S 3 CP 4 Ohms	44 -1	0.281 -0.02	51.3 +2.3	7 +0.4	97.7 +3.2	close	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the 10G40 v2016 →

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.