Peerless XXLS-P830845 v2025

12" · 8 Ω · 175 W · 88.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	29 Hz
Qts	0.654
Qes	0.69
Qms	12.5
Vas	91.9 L
Sd	491 cm²
Xmax	7.6 mm
Re	5.8 Ω
Bl	13 T·m
Mms	110.8 g
Pe	175 W
Sensitivity	88.5 dB

Alignment hint

EBP	42 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 543.8 L

EBP < 50: favours a sealed (closed) 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
Pioneer TS-W300R	29.5 +0.5	0.646 -0.01	93.2 +1.3	6.8 -0.8	91.6 +3.1	close	4 Ω vs 8 Ω: amp load changes · Xmax 6.8 mm < 7.6 mm: lower excursion-limited SPL	+
MTX Audio TH6000 6124	29.7 +0.7	0.66 +0.01	78.4 -13.5	7.4 -0.2	90.3 +1.8	close	4 Ω vs 8 Ω: amp load changes · Xmax 7.4 mm < 7.6 mm: lower excursion-limited SPL	+
JL Audio 12W0V3-4	28.4 -0.6	0.67 +0.02	71.6 -20.3	9.3 +1.7	88.3 -0.2	close		+
Focal 30A4	24.7 -4.3	0.671 +0.02	86.9 -5	8.5 +0.9	87.3 -1.2	close		+
Focal 30A4 vp	24.7 -4.3	0.671 +0.02	86.9 -5	8.5 +0.9	87.3 -1.2	close		+
Oxygen SPIRAL 12.1	27 -2	0.749 +0.09	94 +2.1	7 -0.6	88.7 +0.2	close	4 Ω vs 8 Ω: amp load changes · Xmax 7 mm < 7.6 mm: lower excursion-limited SPL	+
Hertz Audio DS 30.3	29 =	0.51 -0.14	94 +2.1	9 +1.4	87.7 -0.8	close	4 Ω vs 8 Ω: amp load changes	+
JL Audio 12WX-4	27 -2	0.562 -0.09	94.5 +2.6	8.5 +0.9	90.5 +2	close	4 Ω vs 8 Ω: amp load changes	+
American Bass SL 124	31.5 +2.5	0.543 -0.11	85.7 -6.2	8.5 +0.9	88.3 -0.2	close	4 Ω vs 8 Ω: amp load changes	+
Alpine SWE-1244E	31 +2	0.53 -0.12	102.5 +10.6	7.5 -0.1	88.7 +0.2	usable	4 Ω vs 8 Ω: amp load changes · Xmax 7.5 mm < 7.6 mm: lower excursion-limited SPL	+

Compare the closest 3 against the XXLS-P830845 v2025 →

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.