Celestion FTR15-4080F-Bis

15" · 8 Ω · 600 W · 98.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	35 Hz
Qts	0.243
Qes	0.26
Qms	3.68
Vas	182.8 L
Sd	856.4 cm²
Xmax	6 mm
Re	5.62 Ω
Bl	23.5 T·m
Mms	116.3 g
Pe	600 W
Sensitivity	98.3 dB

Alignment hint

EBP	135 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 24.5 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
PHL Audio 5052	35 =	0.254 +0.01	190 +7.2	6.2 +0.2	98.3 =	close		+
18 Sound 15ND930	35 =	0.24 =	182 -0.8	7.5 +1.5	97 -1.3	close	4 Ω vs 8 Ω: amp load changes	+
PHL Audio 5051	37 +2	0.245 =	190 +7.2	5.9 -0.1	99.2 +0.9	close	Xmax 5.9 mm < 6 mm: lower excursion-limited SPL	+
PHL Audio 5010	34 -1	0.25 +0.01	200 +17.2	6.4 +0.4	98.2 -0.1	close		+
PHL Audio 5012MNdU	36 +1	0.268 +0.03	175 -7.8	6 =	98.3 =	close		+
PHL Audio 5011	36 +1	0.268 +0.03	174.7 -8.1	6 =	98.3 =	close		+
Faital PRO 15FH510	35 =	0.26 +0.02	191.8 +9	9.25 +3.25	98 -0.3	close		+
PHL Audio 5050	38 +3	0.254 +0.01	180 -2.8	5.9 -0.1	99.2 +0.9	close	Xmax 5.9 mm < 6 mm: lower excursion-limited SPL	+
Electro-Voice EVM-15W vp	31.7 -3.3	0.237 -0.01	189.1 +6.3	6.6 +0.6	97.6 -0.7	close	400 W vs 600 W: lower power handling	+
Beyma 15G400	35 =	0.271 +0.03	175 -7.8	6.1 +0.1	97.5 -0.8	close	400 W vs 600 W: lower power handling	+

Compare the closest 3 against the FTR15-4080F-Bis →

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.