SEAS L26RO4Y-XM004-04 v2018

10" · 4 Ω · 250 W · 89.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	26 Hz
Qts	0.27
Qes	0.29
Qms	3.94
Vas	40 L
Sd	342 cm²
Xmax	6.3 mm
Re	3.5 Ω
Bl	17.4 T·m
Mms	153.6 g
Pe	250 W
Sensitivity	89.4 dB

Alignment hint

EBP	90 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 6.8 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
SEAS L26RO4Y D1004-04	24 -2	0.265 -0.01	46 +6	6.6 +0.3	89.4 =	close		+
Infinity KAPPA PERFECT 10D VQ31	25.1 -0.9	0.301 +0.03	37.7 -2.3	8.4 +2.1	91.7 +2.3	close	2 Ω vs 4 Ω: amp load changes	+
Tang Band WT-1427G	25 -1	0.284 +0.01	38.2 -1.8	4.3 -2	88.8 -0.6	close	120 W vs 250 W: lower power handling · Xmax 4.3 mm < 6.3 mm: lower excursion-limited SPL	+
Helix P10W PRECISION	25 -1	0.28 +0.01	50 +10	6.5 +0.2	85.9 -3.5	usable		+
Pioneer TS-W252PRS	29 +3	0.282 +0.01	30.1 -9.9	7 +0.7	91.1 +1.7	usable		+
Mivoc AWM 104	31 +5	0.26 -0.01	37 -3	5.2 -1.1	92.2 +2.8	usable	Xmax 5.2 mm < 6.3 mm: lower excursion-limited SPL	+
Kartesian SUB250_VHE v2022	26 =	0.314 +0.04	57.3 +17.3	9.3 +3	89.6 +0.2	usable	8 Ω vs 4 Ω: amp load changes	+
TC Sounds EPIC 10 DVC	24.3 -1.7	0.316 +0.05	49.5 +9.5	11.9 +5.6	88.6 -0.8	usable		+
Faital PRO 10RS430 vp B184423	36.3 +10.3	0.293 +0.02	43 +3	7 +0.7	91 +1.6	usable	8 Ω vs 4 Ω: amp load changes	+
Eminence HL 10	32 +6	0.282 +0.01	29.2 -10.8	5.7 -0.6	88.9 -0.5	usable	8 Ω vs 4 Ω: amp load changes · Xmax 5.7 mm < 6.3 mm: lower excursion-limited SPL	+

Compare the closest 3 against the L26RO4Y-XM004-04 v2018 →

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.