AE Speakers TD18H+

18" · 8 Ω · 1000 W · 99.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	29 Hz
Qts	0.221
Qes	0.23
Qms	5.9
Vas	390 L
Sd	1218 cm²
Xmax	7 mm
Re	5.6 Ω
Bl	26.7 T·m
Mms	160.6 g
Pe	1000 W
Sensitivity	99.7 dB

Alignment hint

EBP	126 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 42.2 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
AE Speakers TD18H+ 8 Ohms	29 =	0.221 =	390 =	7 =	99 -0.7	close		+
B&C 18 PZB 46 vp	28.8 -0.2	0.227 +0.01	346.4 -43.6	8.1 +1.1	99 -0.7	close	700 W vs 1000 W: lower power handling	+
PD PD 182	28 -1	0.238 +0.02	391 +1	8.2 +1.2	98.7 -1	close	600 W vs 1000 W: lower power handling	+
Precision Devices PD 182	28 -1	0.238 +0.02	391 +1	8.2 +1.2	98.7 -1	close	600 W vs 1000 W: lower power handling	+
PD PD 184C01	30 +1	0.227 +0.01	337.1 -52.9	7.8 +0.8	100.2 +0.5	close	700 W vs 1000 W: lower power handling	+
Precision Devices PD 184C01	30 +1	0.227 +0.01	337.1 -52.9	7.8 +0.8	100.2 +0.5	close	700 W vs 1000 W: lower power handling	+
Fane COLOSSUS 18B600	29 =	0.236 +0.01	345 -45	7.2 +0.2	98.7 -1	close	600 W vs 1000 W: lower power handling	+
Radian 2218 NEO SUBWOOFER	28.9 -0.1	0.219 =	333 -57	6.3 -0.7	98.9 -0.8	close	Xmax 6.3 mm < 7 mm: lower excursion-limited SPL	+
Radian 2218Neo	30 +1	0.23 +0.01	312 -78	9 +2	99 -0.7	close		+
Electro-Voice EVX-180A	29 =	0.27 +0.05	416 +26	6.4 -0.6	99.5 -0.2	close	600 W vs 1000 W: lower power handling · Xmax 6.4 mm < 7 mm: lower excursion-limited SPL	+

Compare the closest 3 against the TD18H+ →

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.