Beyma 18SW1600ND

18" · 8 Ω · 1600 W · 96.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	32 Hz
Qts	0.33
Qes	0.34
Qms	11.74
Vas	205.7 L
Sd	1255 cm²
Xmax	10 mm
Re	5.5 Ω
Bl	29.4 T·m
Mms	265.5 g
Pe	1600 W
Sensitivity	96.6 dB

Alignment hint

EBP	94 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 57.3 L

EBP 50-100: works in either a sealed or ported 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
Faital PRO 18HW1070	32 =	0.33 =	191.5 -14.2	13 +3	96 -0.6	close	4 Ω vs 8 Ω: amp load changes	+
RCF LF 18N408	30 -2	0.327 =	193 -12.7	9.8 -0.2	96.3 -0.3	close	Xmax 9.8 mm < 10 mm: lower excursion-limited SPL	+
18 Sound 18LW1400	33 +1	0.32 -0.01	210 +4.3	9 -1	97 +0.4	close	4 Ω vs 8 Ω: amp load changes · 1000 W vs 1600 W: lower power handling · Xmax 9 mm < 10 mm: lower excursion-limited SPL	+
RCF LF 18N405	30 -2	0.324 -0.01	227 +21.3	10.8 +0.8	96.7 +0.1	close		+
B&C 18 SW 115	32 =	0.303 -0.03	187 -18.7	9.8 -0.2	96.6 =	close	Xmax 9.8 mm < 10 mm: lower excursion-limited SPL	+
RCF LF18N408	30 -2	0.33 =	193 -12.7	15 +5	97 +0.4	close		+
Faital PRO 18XL1600	32 =	0.31 -0.02	201.1 -4.6	12.92 +2.92	98 +1.4	close	4 Ω vs 8 Ω: amp load changes	+
18 Sound 18NLW9000	34 +2	0.31 -0.02	206 +0.3	14 +4	97 +0.4	close		+
18 Sound 18LW2420	34 +2	0.31 -0.02	208 +2.3	10 =	98 +1.4	close	4 Ω vs 8 Ω: amp load changes	+
Sica 18 S 4 CP	33 +1	0.35 +0.02	225 +19.3	11 +1	97.1 +0.5	close	1200 W vs 1600 W: lower power handling	+

Compare the closest 3 against the 18SW1600ND →

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.