18 Sound 15W700

15" · 4 Ω · 450 W · 97 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	41 Hz
Qts	0.27
Qes	0.29
Qms	4.03
Vas	180 L
Sd	850 cm²
Xmax	6.5 mm
Re	2.8 Ω
Bl	14.7 T·m
Mms	86 g
Pe	450 W
Sensitivity	97 dB

Alignment hint

EBP	141 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 30.7 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
SICA 15 K3 PL-8	40 -1	0.27 =	166.1 -13.9	6.5 =	97.6 +0.6	close	8 Ω vs 4 Ω: amp load changes	+
18 Sound 15NLW9300	39 -2	0.26 -0.01	170 -10	8 +1.5	97 =	close	8 Ω vs 4 Ω: amp load changes	+
BMS 15N830V2	39.5 -1.5	0.27 =	159 -21	8 +1.5	97.1 +0.1	close	6 Ω vs 4 Ω: amp load changes	+
Sica 15 K 3 PL	40 -1	0.27 =	166.1 -13.9	6.5 =	99.7 +2.7	close	8 Ω vs 4 Ω: amp load changes	+
18 Sound 15NLW9300 v2015	39 -2	0.263 -0.01	170 -10	7.2 +0.7	98.9 +1.9	close	8 Ω vs 4 Ω: amp load changes	+
Fane COLOSSUS 15XBN	38 -3	0.279 +0.01	168 -12	7.5 +1	98.1 +1.1	close	8 Ω vs 4 Ω: amp load changes	+
Precision Devices PD.153C01	39 -2	0.27 =	195 +15	5.7 -0.8	98.1 +1.1	close	8 Ω vs 4 Ω: amp load changes · Xmax 5.7 mm < 6.5 mm: lower excursion-limited SPL	+
Beyma 15G400	35 -6	0.271 =	175 -5	6.1 -0.4	97.5 +0.5	close	8 Ω vs 4 Ω: amp load changes · Xmax 6.1 mm < 6.5 mm: lower excursion-limited SPL	+
JBL 2226J	40 -1	0.31 +0.04	175.6 -4.4	7 +0.5	96.3 -0.7	close	16 Ω vs 4 Ω: amp load changes	+
Precision Devices PD152	40 -1	0.269 =	170 -10	5.5 -1	99 +2	close	16 Ω vs 4 Ω: amp load changes · Xmax 5.5 mm < 6.5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15W700 →

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.