Dayton Audio DA270-8

10" · 8 Ω · 80 W · 88.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	27.8 Hz
Qts	0.43
Qes	0.55
Qms	1.95
Vas	108.5 L
Sd	346 cm²
Xmax	6.1 mm
Re	6.3 Ω
Bl	10.1 T·m
Mms	51.3 g
Pe	80 W
Sensitivity	88.1 dB

Alignment hint

EBP	51 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 63.7 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
Dayton Audio DA270-8 10	27.8 =	0.429 =	108.5 =	6.1 =	89.3 +1.2	close		+
Artech SP25/100	27 -0.8	0.425 -0.01	86.1 -22.4	6.5 +0.4	88.2 +0.1	close		+
Beyma 10BR60 V2 vp JF rouge	30.7 +2.9	0.435 +0.01	113.7 +5.2	6.5 +0.4	90.2 +2.1	close		+
Dayton Audio SD270A-88 DVC	26.2 -1.6	0.433 =	107.5 -1	6 -0.1	91.9 +3.8	close	4 Ω vs 8 Ω: amp load changes · Xmax 6 mm < 6.1 mm: lower excursion-limited SPL	+
SB Acoustics SB26SFCL38-4	27.4 -0.4	0.434 =	104 -4.5	7.2 +1.1	92.4 +4.3	close	4 Ω vs 8 Ω: amp load changes	+
Dayton Audio RS270-8	24.9 -2.9	0.401 -0.03	120.5 +12	6 -0.1	88.2 +0.1	close	Xmax 6 mm < 6.1 mm: lower excursion-limited SPL	+
Dayton Audio RS270-8 v2017	29.6 +1.8	0.472 +0.04	96.5 -12	6 -0.1	88.8 +0.7	close	Xmax 6 mm < 6.1 mm: lower excursion-limited SPL	+
Beyma 10BR60 V2	31 +3.2	0.471 +0.04	108.2 -0.3	6.5 +0.4	90.6 +2.5	close		+
Dayton Audio DC250-8	28.9 +1.1	0.445 +0.02	111.4 +2.9	4.5 -1.6	90.1 +2	close	Xmax 4.5 mm < 6.1 mm: lower excursion-limited SPL	+
Beyma 10BR60 V2 vp JF bleu	32 +4.2	0.459 +0.03	99.9 -8.6	6.5 +0.4	90 +1.9	close		+

Compare the closest 3 against the DA270-8 →

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.