Celestion NTR15-3018E v2015

15" · 8 Ω · 450 W · 99.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	34.6 Hz
Qts	0.245
Qes	0.262
Qms	3.856
Vas	225.7 L
Sd	855 cm²
Xmax	5 mm
Re	5.58 Ω
Bl	21.1 T·m
Mms	96.1 g
Pe	450 W
Sensitivity	99.1 dB

Alignment hint

EBP	132 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 30.8 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
Celestion NTR15-3018E	35 +0.4	0.261 +0.02	223.5 -2.2	5 =	99.2 +0.1	close		+
RCF L 15/554K	35 +0.4	0.243 =	227 +1.3	8 +3	98.7 -0.4	close		+
DAS Audio 15G	35 +0.4	0.259 +0.01	225 -0.7	6 +1	98.8 -0.3	close		+
Peavey 15 PRO RIDER CU CP SUBWOOFER	34.8 +0.2	0.236 -0.01	208 -17.7	4.6 -0.4	99 -0.1	close	Xmax 4.6 mm < 5 mm: lower excursion-limited SPL	+
PHL Audio 5010	34 -0.6	0.25 +0.01	200 -25.7	6.4 +1.4	98.2 -0.9	close		+
RCF L 15/544K	35 +0.4	0.233 -0.01	227 +1.3	4 -1	98.9 -0.2	close	Xmax 4 mm < 5 mm: lower excursion-limited SPL	+
LaVoce WAF153.02	35 +0.4	0.261 +0.02	244 +18.3	4.6 -0.4	99.7 +0.6	close	Xmax 4.6 mm < 5 mm: lower excursion-limited SPL	+
PHL Audio 5051	37 +2.4	0.245 =	190 -35.7	5.9 +0.9	99.2 +0.1	close		+
Beyma 15GT200 v1990	34 -0.6	0.236 -0.01	276 +50.3	5 =	99.4 +0.3	close	250 W vs 450 W: lower power handling	+
Celestion BX15-4085HS8	35 +0.4	0.27 +0.03	247.6 +21.9	6.5 +1.5	99.3 +0.2	close		+

Compare the closest 3 against the NTR15-3018E v2015 →

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.