Max Speaker PV-1250 4 Ohms

12" · 4 Ω · 275 W · 94.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	21 Hz
Qts	0.33
Qes	0.35
Qms	5.9
Vas	238 L
Sd	531 cm²
Xmax	6 mm
Re	3.1 Ω
Bl	10.6 T·m
Mms	95.4 g
Pe	275 W
Sensitivity	94.1 dB

Alignment hint

EBP	60 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 66.3 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
Max Speaker PV-1250 8 Ohms	21 =	0.33 =	238 =	6 =	91.5 -2.6	close	8 Ω vs 4 Ω: amp load changes	+
Monacor SPH-300KE	22 +1	0.331 =	250 +12	6.5 +0.5	91.8 -2.3	close	8 Ω vs 4 Ω: amp load changes · 120 W vs 275 W: lower power handling	+
Peerless NE315W-04	20 -1	0.314 -0.02	201.7 -36.3	6.7 +0.7	93.6 -0.5	close	75 W vs 275 W: lower power handling	+
Vifa NE-315W-04	20 -1	0.314 -0.02	201.7 -36.3	6.7 +0.7	93.6 -0.5	close	75 W vs 275 W: lower power handling	+
Scan-Speak 32W/8878T01	19.1 -1.9	0.33 =	234 -4	7.5 +1.5	89.8 -4.3	close	8 Ω vs 4 Ω: amp load changes · 150 W vs 275 W: lower power handling	+
TVM ARN 312-00/4	22 +1	0.289 -0.04	206 -32	6.4 +0.4	93.8 -0.3	close	100 W vs 275 W: lower power handling	+
TVM ARN 312-00/8	22 +1	0.335 +0.01	203 -35	6.3 +0.3	90.8 -3.3	close	8 Ω vs 4 Ω: amp load changes · 100 W vs 275 W: lower power handling	+
Aurum Cantus AC300/75C2C	22 +1	0.352 +0.02	232 -6	8 +2	90.3 -3.8	close	8 Ω vs 4 Ω: amp load changes	+
Audiotechnology FLEXUNIT 12B772510	25 +4	0.299 -0.03	250 +12	8.6 +2.6	94.3 +0.2	close	8 Ω vs 4 Ω: amp load changes	+
Pioneer TS-W303C	24 +3	0.342 +0.01	186.2 -51.8	6 =	94.9 +0.8	close	160 W vs 275 W: lower power handling	+

Compare the closest 3 against the PV-1250 4 Ohms →

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.