Oberton 15CX

15" · 8 Ω · 450 W · 97.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	38.2 Hz
Qts	0.349
Qes	0.372
Qms	5.61
Vas	163.8 L
Sd	829 cm²
Xmax	6.8 mm
Re	5.18 Ω
Bl	18.5 T·m
Mms	102.1 g
Pe	450 W
Sensitivity	97.8 dB

Alignment hint

EBP	103 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 52.8 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
P.Audio S15-100LF	38 -0.2	0.35 =	169.1 +5.3	7.8 +1	98 +0.2	close		+
PD PD 15BR40	38.7 +0.5	0.34 -0.01	158.3 -5.5	7.9 +1.1	98.1 +0.3	close		+
Precision Devices PD 15BR40	38.7 +0.5	0.34 -0.01	158.3 -5.5	7.9 +1.1	98.1 +0.3	close		+
Beyma 15MC700	41 +2.8	0.352 =	153 -10.8	7.4 +0.6	97.7 -0.1	close		+
Fane COLOSSUS 15XB v2012	38 -0.2	0.322 -0.03	168 +4.2	7.5 +0.7	97.3 -0.5	close		+
Faital PRO 15FH520	38 -0.2	0.34 -0.01	153.2 -10.6	9.15 +2.35	97 -0.8	close	4 Ω vs 8 Ω: amp load changes	+
Monacor SP-38A/500BS	37 -1.2	0.35 =	168 +4.2	6 -0.8	96.7 -1.1	close	Xmax 6 mm < 6.8 mm: lower excursion-limited SPL	+
Elokance 15WF2400	38 -0.2	0.32 -0.03	165.2 +1.4	10.5 +3.7	98.1 +0.3	close		+
18 Sound 15ND830	42 +3.8	0.34 -0.01	157 -6.8	6.5 -0.3	98 +0.2	close	4 Ω vs 8 Ω: amp load changes · Xmax 6.5 mm < 6.8 mm: lower excursion-limited SPL	+
18 Sound 15ND940	41 +2.8	0.36 +0.01	166 +2.2	9.5 +2.7	98.5 +0.7	close	16 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the 15CX →

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.