Dayton Audio DSA270-8

10" · 8 Ω · 100 W · 90.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	29.6 Hz
Qts	0.384
Qes	0.47
Qms	2.09
Vas	88.1 L
Sd	353 cm²
Xmax	5.5 mm
Re	5.4 Ω
Bl	11.1 T·m
Mms	57.3 g
Pe	100 W
Sensitivity	90.6 dB

Alignment hint

EBP	63 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 36.8 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
ATC SB75-234 SC	30 +0.4	0.387 =	92 +3.9	5 -0.5	90.8 +0.2	close	75 W vs 100 W: lower power handling · Xmax 5 mm < 5.5 mm: lower excursion-limited SPL	+
ATC SB75-234 SC vp old stock	30 +0.4	0.387 =	92 +3.9	5 -0.5	90.8 +0.2	close	75 W vs 100 W: lower power handling · Xmax 5 mm < 5.5 mm: lower excursion-limited SPL	+
Sica 10 H 2 CS	30.3 +0.7	0.37 -0.01	84.3 -3.8	6 +0.5	90.8 +0.2	close		+
SEAS W26FX002	31 +1.4	0.397 +0.01	87 -1.1	6.5 +1	90.5 -0.1	close		+
Usher Audio 1001B	29 -0.6	0.387 =	100.2 +12.1	5 -0.5	91 +0.4	close	Xmax 5 mm < 5.5 mm: lower excursion-limited SPL	+
Dayton Audio DS270-8 v2018	31.6 +2	0.441 +0.06	87.7 -0.4	5.5 =	90.8 +0.2	close		+
Dayton Audio DS270-8	30.7 +1.1	0.444 +0.06	84.7 -3.4	5.5 =	90.2 -0.4	close		+
Focal 11V 7511 v2008	30.8 +1.2	0.362 -0.02	94.3 +6.2	8 +2.5	91.5 +0.9	close		+
JBL P1000	30 +0.4	0.382 =	71 -17.1	7.8 +2.3	91.2 +0.6	close		+
JBL LE10A	30 +0.4	0.41 +0.03	101.9 +13.8	6.1 +0.6	92.5 +1.9	close	60 W vs 100 W: lower power handling	+

Compare the closest 3 against the DSA270-8 →

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.