Dayton Audio RS270-4

10" · 4 Ω · 100 W · 89.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	20.9 Hz
Qts	0.277
Qes	0.35
Qms	1.33
Vas	98.6 L
Sd	346.4 cm²
Xmax	6 mm
Re	3.9 Ω
Bl	12 T·m
Mms	98.9 g
Pe	100 W
Sensitivity	89.2 dB

Alignment hint

EBP	60 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 17.9 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 26W/4558T00	21 +0.1	0.312 +0.03	94.9 -3.7	6.3 +0.3	91.1 +1.9	close		+
Volt SB2550	21 +0.1	0.288 +0.01	111 +12.4	10.4 +4.4	88 -1.2	close	8 Ω vs 4 Ω: amp load changes	+
Dayton Audio RS270P-4A	22.9 +2	0.272 -0.01	110.5 +11.9	6 =	91 +1.8	close		+
Peerless NE265W-08	23 +2.1	0.301 +0.02	97.2 -1.4	9.4 +3.4	88.9 -0.3	close	8 Ω vs 4 Ω: amp load changes	+
Vifa NE-265W-08	23 +2.1	0.301 +0.02	97.2 -1.4	9.4 +3.4	88.9 -0.3	close	8 Ω vs 4 Ω: amp load changes	+
Purifi Audio PTT10.0X04-NAB-01	20 -0.9	0.292 +0.01	113 +14.4	10.8 +4.8	89 -0.2	close	8 Ω vs 4 Ω: amp load changes	+
Peerless XXLS-830951	21 +0.1	0.308 +0.03	103 +4.4	10.1 +4.1	91.6 +2.4	close		+
SEAS L26ROY	22 +1.1	0.306 +0.03	87 -11.6	7 +1	90.6 +1.4	close		+
Scan-Speak 28W/8878T01	22 +1.1	0.312 +0.03	116 +17.4	7.5 +1.5	88.7 -0.5	close	8 Ω vs 4 Ω: amp load changes	+
Peerless XXLS-835016	22.4 +1.5	0.315 +0.04	94.4 -4.2	7.1 +1.1	91.9 +2.7	close		+

Compare the closest 3 against the RS270-4 →

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.