18 Sound 12NW350

12" · 8 Ω · 800 W · 98 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	54 Hz
Qts	0.34
Qes	0.35
Qms	12
Vas	46 L
Sd	531 cm²
Xmax	8.3 mm
Re	5 Ω
Bl	19.2 T·m
Mms	75 g
Pe	800 W
Sensitivity	98 dB

Alignment hint

EBP	154 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 13.8 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
18 Sound 12NTLW3500	53 -1	0.33 -0.01	45 -1	8.3 =	97 -1	close		+
B&C 12FW88	53 -1	0.33 -0.01	45.7 -0.3	8 -0.3	97 -1	close	Xmax 8 mm < 8.3 mm: lower excursion-limited SPL	+
18 Sound 12NTLW3500	54 =	0.33 -0.01	41 -5	8.3 =	97 -1	close	4 Ω vs 8 Ω: amp load changes	+
18 Sound 12LW801	54 =	0.33 -0.01	41 -5	8 -0.3	96 -2	close	500 W vs 800 W: lower power handling · Xmax 8 mm < 8.3 mm: lower excursion-limited SPL	+
Beyma 12"MC500	57 +3	0.34 =	57 +11	8 -0.3	98 =	close	500 W vs 800 W: lower power handling · Xmax 8 mm < 8.3 mm: lower excursion-limited SPL	+
B&C 12PLB100	50 -4	0.37 +0.03	47 +1	9 +0.7	97 -1	close	600 W vs 800 W: lower power handling	+
PD PD 124NR1	58 +4	0.354 +0.01	49 +3	7.4 -0.9	97.3 -0.7	close	Xmax 7.4 mm < 8.3 mm: lower excursion-limited SPL	+
Precision Devices PD 124NR1	58 +4	0.354 +0.01	49 +3	7.4 -0.9	97.3 -0.7	close	Xmax 7.4 mm < 8.3 mm: lower excursion-limited SPL	+
18 Sound 12W750	55 +1	0.33 -0.01	61 +15	8 -0.3	98 =	close	16 Ω vs 8 Ω: amp load changes · 600 W vs 800 W: lower power handling · Xmax 8 mm < 8.3 mm: lower excursion-limited SPL	+
Beyma 12MCS500	57 +3	0.36 +0.02	57 +11	8 -0.3	98 =	close	500 W vs 800 W: lower power handling · Xmax 8 mm < 8.3 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 12NW350 →

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.