Peavey 1202-4 v1993

12" · 8 Ω · 350 W · 100.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	47.1 Hz
Qts	0.252
Qes	0.26
Qms	8.2
Vas	100 L
Sd	515 cm²
Xmax	2.6 mm
Re	4.5 Ω
Bl	14.7 T·m
Mms	42.5 g
Pe	350 W
Sensitivity	100.5 dB

Alignment hint

EBP	181 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 14.5 L

EBP > 100: favours a ported (bass-reflex) 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
18 Sound 12MB700	46 -1.1	0.25 =	100 =	4.5 +1.9	100.5 =	close	16 Ω vs 8 Ω: amp load changes	+
B&C 12 PL 32	49 +1.9	0.249 =	97 -3	3.5 +0.9	100.2 -0.3	close		+
B&C 12 PL 32 8 Ohms	49 +1.9	0.249 =	97 -3	3.5 +0.9	100.2 -0.3	close		+
Monacor SP-310PA	48 +0.9	0.248 =	111 +11	2.5 -0.1	99.5 -1	close	200 W vs 350 W: lower power handling · Xmax 2.5 mm < 2.6 mm: lower excursion-limited SPL	+
Altec ER-12	47.7 +0.6	0.256 =	121.2 +21.2	2.5 -0.1	99.6 -0.9	close	200 W vs 350 W: lower power handling · Xmax 2.5 mm < 2.6 mm: lower excursion-limited SPL	+
18 Sound 12NDA520	50 +2.9	0.27 +0.02	111 +11	4 +1.4	100.5 =	close		+
Beyma SM112	45 -2.1	0.262 +0.01	101 +1	4.8 +2.2	98.3 -2.2	close	250 W vs 350 W: lower power handling	+
B&C 12 HPL 76	49 +1.9	0.236 -0.02	91 -9	4 +1.4	99.6 -0.9	close		+
Eminence KAPPA-12A	45 -2.1	0.27 +0.02	112.1 +12.1	3.2 +0.6	99.3 -1.2	close		+
Eminence KAPPA 12	45 -2.1	0.27 +0.02	112.1 +12.1	3.2 +0.6	99.3 -1.2	close		+

Compare the closest 3 against the 1202-4 v1993 →

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.