Dayton Audio RS270P-8A

10" · 8 Ω · 100 W · 87.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	22.9 Hz
Qts	0.319
Qes	0.42
Qms	1.33
Vas	110.5 L
Sd	346.4 cm²
Xmax	6 mm
Re	6.8 Ω
Bl	13.1 T·m
Mms	73.5 g
Pe	100 W
Sensitivity	87.7 dB

Alignment hint

EBP	55 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 28.2 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
Scan-Speak 28W/8878T01	22 -0.9	0.312 -0.01	116 +5.5	7.5 +1.5	88.7 +1	close		+
Accuton AS250-8-552 v2018	22 -0.9	0.353 +0.03	119 +8.5	9 +3	87.6 -0.1	close		+
Peerless NE265W-08	23 +0.1	0.301 -0.02	97.2 -13.3	9.4 +3.4	88.9 +1.2	close		+
Vifa NE-265W-08	23 +0.1	0.301 -0.02	97.2 -13.3	9.4 +3.4	88.9 +1.2	close		+
Volt SB2550	21 -1.9	0.288 -0.03	111 +0.5	10.4 +4.4	88 +0.3	close		+
Dayton Audio RS270P-4A	22.9 =	0.272 -0.05	110.5 =	6 =	91 +3.3	close	4 Ω vs 8 Ω: amp load changes	+
Peerless XXLS-835016	22.4 -0.5	0.315 =	94.4 -16.1	7.1 +1.1	91.9 +4.2	close	4 Ω vs 8 Ω: amp load changes	+
Peerless 831727	22.3 -0.6	0.332 +0.01	136.2 +25.7	9 +3	89.7 +2	close		+
Scan-Speak 26W/4558T00	21 -1.9	0.312 -0.01	94.9 -15.6	6.3 +0.3	91.1 +3.4	close	4 Ω vs 8 Ω: amp load changes	+
Volt B250.8	24 +1.1	0.298 -0.02	126 +15.5	5.5 -0.5	90.3 +2.6	close	Xmax 5.5 mm < 6 mm: lower excursion-limited SPL	+

Compare the closest 3 against the RS270P-8A →

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.