Peerless XXLS12-4

12" · 4 Ω · 175 W · 92.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	17.7 Hz
Qts	0.195
Qes	0.2
Qms	8.21
Vas	156.5 L
Sd	466 cm²
Xmax	7.8 mm
Re	2.8 Ω
Bl	15.6 T·m
Mms	157.3 g
Pe	175 W
Sensitivity	92.9 dB

Alignment hint

EBP	88 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 12.9 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
Phase Linear ALIANTE 12 LTD	19 +1.3	0.214 +0.02	151 -5.5	8 +0.2	92.6 -0.3	close		+
Peerless XLS12	18.1 +0.4	0.199 =	139.2 -17.3	9.5 +1.7	91.5 -1.4	close		+
Infinity TWEELVE vp	22 +4.3	0.242 +0.05	158 +1.5	10 +2.2	93.3 +0.4	usable	8 Ω vs 4 Ω: amp load changes	+
Infinity BETA12	22 +4.3	0.242 +0.05	158 +1.5	10 +2.2	94.8 +1.9	usable		+
Monacor SPH-300CTC	18 +0.3	0.185 -0.01	225 +68.5	5.4 -2.4	94.6 +1.7	usable	Xmax 5.4 mm < 7.8 mm: lower excursion-limited SPL	+
Dayton Audio 12LF ODEUM	28 +10.3	0.211 +0.02	147.8 -8.7	8.3 +0.5	94.4 +1.5	usable	8 Ω vs 4 Ω: amp load changes	+
Dayton Audio APOLLO 12LF	28 +10.3	0.211 +0.02	147.8 -8.7	8.3 +0.5	94.4 +1.5	usable	8 Ω vs 4 Ω: amp load changes	+
JBL 128-H vp ca1	21.2 +3.5	0.233 +0.04	222.7 +66.2	7.8 =	93.1 +0.2	usable	8 Ω vs 4 Ω: amp load changes	+
JBL 128-H vp ca2	21.6 +3.9	0.24 +0.04	214.6 +58.1	7.7 -0.1	93.1 +0.2	usable	8 Ω vs 4 Ω: amp load changes · Xmax 7.7 mm < 7.8 mm: lower excursion-limited SPL	+
GR Research SW-12-04	21 +3.3	0.279 +0.08	137 -19.5	8.3 +0.5	92.5 -0.4	usable		+

Compare the closest 3 against the XXLS12-4 →

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.