Eton 11-581/50HEX vp

10" · 8 Ω · 150 W · 89.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	25 Hz
Qts	0.364
Qes	0.38
Qms	8.85
Vas	99.8 L
Sd	366 cm²
Xmax	5 mm
Re	5.3 Ω
Bl	12.9 T·m
Mms	76.3 g
Pe	150 W
Sensitivity	89.9 dB

Alignment hint

EBP	66 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 36 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
Falcon Acoustics B139 SP1044 REMPLACEMENT	25 =	0.366 =	127 +27.2	6 +1	89.5 -0.4	close		+
Dayton Audio SD270-88 v2009	25 =	0.379 +0.02	110.4 +10.6	6 +1	92.1 +2.2	close	4 Ω vs 8 Ω: amp load changes · 80 W vs 150 W: lower power handling	+
Usher Audio 1001B	29 +4	0.387 +0.02	100.2 +0.4	5 =	91 +1.1	close	100 W vs 150 W: lower power handling	+
SB Acoustics SB29NRX75-8	26 +1	0.37 +0.01	85.6 -14.2	11 +6	89 -0.9	close		+
Davis 25SCA10WR-8 v2018	28 +3	0.332 -0.03	109 +9.2	5 =	91.1 +1.2	close	100 W vs 150 W: lower power handling	+
Sony XS-L100C	28.1 +3.1	0.362 =	104 +4.2	6.3 +1.3	93.4 +3.5	close	4 Ω vs 8 Ω: amp load changes	+
Peerless SLS-250S38CP00-04	26.9 +1.9	0.369 +0.01	108.5 +8.7	4.6 -0.4	93.1 +3.2	close	4 Ω vs 8 Ω: amp load changes · 80 W vs 150 W: lower power handling · Xmax 4.6 mm < 5 mm: lower excursion-limited SPL	+
ATC SB75-234 SC	30 +5	0.387 +0.02	92 -7.8	5 =	90.8 +0.9	close	75 W vs 150 W: lower power handling	+
ATC SB75-234 SC vp old stock	30 +5	0.387 +0.02	92 -7.8	5 =	90.8 +0.9	close	75 W vs 150 W: lower power handling	+
Davis 25GCA10W	26 +1	0.332 -0.03	109 +9.2	4 -1	90.2 +0.3	close	80 W vs 150 W: lower power handling · Xmax 4 mm < 5 mm: lower excursion-limited SPL	+

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

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.