Peavey 1801-4 v1993

18" · 4 Ω · 350 W · 102.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	4 Ω
Fs	40.6 Hz
Qts	0.464
Qes	0.49
Qms	8.9
Vas	330 L
Sd	1200 cm²
Xmax	5 mm
Re	3.5 Ω
Bl	13.1 T·m
Mms	94 g
Pe	350 W
Sensitivity	102.1 dB

Alignment hint

EBP	83 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 249.5 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
Peavey 1801-4	37.3 -3.3	0.448 -0.02	335.6 +5.6	5 =	101 -1.1	close		+
JBL 2042H	39 -1.6	0.404 -0.06	337 +7	7.1 +2.1	101.3 -0.8	close	8 Ω vs 4 Ω: amp load changes	+
Peavey 1801-8	40.4 -0.2	0.523 +0.06	284.9 -45.1	5 =	98.2 -3.9	usable	8 Ω vs 4 Ω: amp load changes	+
JBL 2241G	35 -5.6	0.4 -0.06	310 -20	7.5 +2.5	101.9 -0.2	usable		+
Peavey 1801-8 BWX	40.4 -0.2	0.525 +0.06	284.9 -45.1	5 =	98.2 -3.9	usable	8 Ω vs 4 Ω: amp load changes	+
Peavey 1801-8 v1993	40.2 -0.4	0.586 +0.12	321 -9	5 =	98.1 -4	usable	8 Ω vs 4 Ω: amp load changes	+
Beyma SM118/N	36 -4.6	0.492 +0.03	300 -30	5.5 +0.5	97.2 -4.9	usable	8 Ω vs 4 Ω: amp load changes	+
Selenium 18SWS1100	34 -6.6	0.447 -0.02	316 -14	9.3 +4.3	97.8 -4.3	usable	8 Ω vs 4 Ω: amp load changes	+
Eminence KILOMAX PRO 18 A v2016	32 -8.6	0.467 =	331.5 +1.5	10 +5	97.4 -4.7	usable	8 Ω vs 4 Ω: amp load changes	+
Selenium WPU1805	34 -6.6	0.447 -0.02	316 -14	4.3 -0.7	97.1 -5	usable	8 Ω vs 4 Ω: amp load changes · Xmax 4.3 mm < 5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 1801-4 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.