18 Sound 15NW530

15" · 8 Ω · 500 W · 96 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	43 Hz
Qts	0.33
Qes	0.35
Qms	5.81
Vas	154 L
Sd	855 cm²
Xmax	7.5 mm
Re	5.3 Ω
Bl	22 T·m
Mms	135 g
Pe	500 W
Sensitivity	96 dB

Alignment hint

EBP	123 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 42.9 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
Beyma 15MC700	41 -2	0.352 +0.02	153 -1	7.4 -0.1	97.7 +1.7	close	Xmax 7.4 mm < 7.5 mm: lower excursion-limited SPL	+
Fane COLOSSUS 15XB	38 -5	0.32 -0.01	168 +14	7.5 =	96.2 +0.2	close		+
Faital PRO 15FH520	38 -5	0.34 +0.01	153.2 -0.8	9.15 +1.65	97 +1	close	4 Ω vs 8 Ω: amp load changes	+
BMS 15S330	39 -4	0.32 -0.01	152 -2	8 +0.5	98 +2	close		+
18 Sound 15ND830	42 -1	0.34 +0.01	157 +3	6.5 -1	98 +2	close	4 Ω vs 8 Ω: amp load changes · Xmax 6.5 mm < 7.5 mm: lower excursion-limited SPL	+
RCF L 15P200AK-II	38 -5	0.336 +0.01	139 -15	8.3 +0.8	96.3 +0.3	close		+
PD PD 15BR40	38.7 -4.3	0.34 +0.01	158.3 +4.3	7.9 +0.4	98.1 +2.1	close		+
Precision Devices PD 15BR40	38.7 -4.3	0.34 +0.01	158.3 +4.3	7.9 +0.4	98.1 +2.1	close		+
Beyma 15MCB700	44 +1	0.34 +0.01	148 -6	7 -0.5	99 +3	close	Xmax 7 mm < 7.5 mm: lower excursion-limited SPL	+
Fane COLOSSUS 15XB v2012	38 -5	0.322 -0.01	168 +14	7.5 =	97.3 +1.3	close		+

Compare the closest 3 against the 15NW530 →

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.