Precision Devices PD 184C01

18" · 8 Ω · 700 W · 100.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	30 Hz
Qts	0.227
Qes	0.23
Qms	15.2
Vas	337.1 L
Sd	1164.2 cm²
Xmax	7.8 mm
Re	4.81 Ω
Bl	25 T·m
Mms	158.6 g
Pe	700 W
Sensitivity	100.2 dB

Alignment hint

EBP	130 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 38.7 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
PD PD 184C01	30 =	0.227 =	337.1 =	7.8 =	100.2 =	close		+
B&C 18 PZB 46 vp	28.8 -1.2	0.227 =	346.4 +9.3	8.1 +0.3	99 -1.2	close		+
Radian 2218Neo	30 =	0.23 =	312 -25.1	9 +1.2	99 -1.2	close		+
Fane COLOSSUS 18B600	29 -1	0.236 +0.01	345 +7.9	7.2 -0.6	98.7 -1.5	close	Xmax 7.2 mm < 7.8 mm: lower excursion-limited SPL	+
B&C 18 PZB 100	30 =	0.243 +0.02	297 -40.1	7.8 =	98.8 -1.4	close		+
Oberton 18NSW700-8	30.5 +0.5	0.243 +0.02	309 -28.1	7.7 -0.1	98.6 -1.6	close	Xmax 7.7 mm < 7.8 mm: lower excursion-limited SPL	+
AE Speakers TD18H+	29 -1	0.221 -0.01	390 +52.9	7 -0.8	99.7 -0.5	close	Xmax 7 mm < 7.8 mm: lower excursion-limited SPL	+
Radian 2218 NEO SUBWOOFER	28.9 -1.1	0.219 -0.01	333 -4.1	6.3 -1.5	98.9 -1.3	close	Xmax 6.3 mm < 7.8 mm: lower excursion-limited SPL	+
AE Speakers TD18H+ 8 Ohms	29 -1	0.221 -0.01	390 +52.9	7 -0.8	99 -1.2	close	Xmax 7 mm < 7.8 mm: lower excursion-limited SPL	+
B&C 18PZB100	30 =	0.24 +0.01	297 -40.1	8 +0.2	97 -3.2	close		+

Compare the closest 3 against the PD 184C01 →

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.