Celestion FTR18-4080FD

18" · 8 Ω · 1000 W · 97 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	26 Hz
Qts	0.27
Qes	0.29
Qms	4.33
Vas	395.56 L
Sd	1126 cm²
Xmax	6 mm
Re	5.39 Ω
Bl	22.88 T·m
Mms	172.42 g
Pe	1000 W
Sensitivity	97 dB

Alignment hint

EBP	90 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 67.5 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
Celestion FTR18-4080HD	26 =	0.272 =	395.6 +0.04	8 +2	97.5 +0.5	close		+
Celestion FTR18-4080F	28 +2	0.265 -0.01	383.3 -12.26	6 =	98.6 +1.6	close		+
Dayton Audio PA460-8 18	26.2 +0.2	0.269 =	473.5 +77.94	6 =	98.6 +1.6	close	500 W vs 1000 W: lower power handling	+
Dayton Audio PA460-8 18 PRO WOOFER	26.2 +0.2	0.269 =	473.5 +77.94	6 =	98.6 +1.6	close	500 W vs 1000 W: lower power handling	+
RCF LF18G400	28 +2	0.27 =	360 -35.56	9 +3	97.5 +0.5	close		+
Rockford Fosgate SPP-184	27 +1	0.266 =	353 -42.56	6 =	99.2 +2.2	close	4 Ω vs 8 Ω: amp load changes · 350 W vs 1000 W: lower power handling	+
Electro-Voice EVX-180A	29 +3	0.27 =	416 +20.44	6.4 +0.4	99.5 +2.5	close	600 W vs 1000 W: lower power handling	+
Electro-Voice EVX-180B	29 +3	0.27 =	416 +20.44	6.4 +0.4	99.5 +2.5	close	600 W vs 1000 W: lower power handling	+
RCF LF18X400	28 +2	0.27 =	340 -55.56	9 +3	97.5 +0.5	close		+
RCF LF 18G400	28 +2	0.273 =	360 -35.56	9 +3	98.3 +1.3	close		+

Compare the closest 3 against the FTR18-4080FD →

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.