Eton 11-581/C8/50 HEX SII

10" · 8 Ω · 150 W · 91.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	24 Hz
Qts	0.31
Qes	0.32
Qms	9.94
Vas	134 L
Sd	366 cm²
Xmax	5 mm
Re	5.2 Ω
Bl	12.3 T·m
Mms	61.6 g
Pe	150 W
Sensitivity	91.5 dB

Alignment hint

EBP	75 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 31.9 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
Vifa WCF265	24 =	0.305 -0.01	155.9 +21.9	5 =	91.5 =	close	80 W vs 150 W: lower power handling	+
Volt B250.8	24 =	0.298 -0.01	126 -8	5.5 +0.5	90.3 -1.2	close		+
Monacor SPH-250TC	24 =	0.304 -0.01	130 -4	4.5 -0.5	90.2 -1.3	close	100 W vs 150 W: lower power handling · Xmax 4.5 mm < 5 mm: lower excursion-limited SPL	+
Eton 11-581/50 HEX v2015	23 -1	0.299 -0.01	151 +17	5 =	91.6 +0.1	close		+
Vifa PLW 26 452/8	26 +2	0.319 +0.01	130 -4	6.5 +1.5	91.3 -0.2	close	100 W vs 150 W: lower power handling	+
Monacor SPP-280	25 +1	0.292 -0.02	145 +11	4.6 -0.4	91.7 +0.2	close	75 W vs 150 W: lower power handling · Xmax 4.6 mm < 5 mm: lower excursion-limited SPL	+
Eton 11-612C8/50RP	23 -1	0.289 -0.02	152 +18	5 =	91.7 +0.2	close		+
Visaton GF 250 - série	24 =	0.272 -0.04	134 =	9.3 +4.3	91.1 -0.4	close		+
Visaton GF 250 v2017 - 2x4 Ohms série	24 =	0.272 -0.04	134 =	9.3 +4.3	91.1 -0.4	close		+
Audiotechnology 10B773010KA	24.4 +0.4	0.283 -0.03	128 -6	9.8 +4.8	91 -0.5	close		+

Compare the closest 3 against the 11-581/C8/50 HEX SII →

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.