LaVoce NBASS08-20

8" · 8 Ω · 200 W · 92 dB · datasheet ↗

Thiele-Small parameters

Nominal size	8"
Impedance	8 Ω
Fs	55 Hz
Qts	0.48
Qes	0.5
Qms	9.92
Vas	18.4 L
Sd	235.1 cm²
Xmax	6.5 mm
Re	5.2 Ω
Bl	11.33 T·m
Mms	35.6 g
Pe	200 W
Sensitivity	92 dB

Alignment hint

EBP	110 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 15.7 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
B&C 8BG51	52 -3	0.4 -0.08	18 -0.4	6.5 =	92 =	close		+
Faital PRO 8PR200	60 +5	0.46 -0.02	16.1 -2.3	8.65 +2.15	94 +2	close	16 Ω vs 8 Ω: amp load changes	+
B&C 8FG64	53 -2	0.35 -0.13	16.9 -1.5	7.5 +1	92 =	usable	16 Ω vs 8 Ω: amp load changes	+
Faital PRO 8RS250	56 +1	0.32 -0.16	18.3 -0.1	6.92 +0.42	93 +1	usable		+
Faital PRO 8PR200	58 +3	0.37 -0.11	16.9 -1.5	8.15 +1.65	95 +3	usable		+
B&C 8NDL51	70 +15	0.47 -0.01	13.4 -5	7 +0.5	94 +2	usable	16 Ω vs 8 Ω: amp load changes	+
LaVoce NBASS08-20-32	57 +2	0.67 +0.19	20.73 +2.33	6.4 -0.1	90 -2	usable	32 Ω vs 8 Ω: amp load changes · Xmax 6.4 mm < 6.5 mm: lower excursion-limited SPL	+
18 Sound 8MB500	73 +18	0.5 +0.02	21.3 +2.9	6 -0.5	95 +3	usable	16 Ω vs 8 Ω: amp load changes · Xmax 6 mm < 6.5 mm: lower excursion-limited SPL	+
Faital PRO 8PR150	75 +20	0.48 =	16.2 -2.2	5 -1.5	94 +2	usable	Xmax 5 mm < 6.5 mm: lower excursion-limited SPL	+
Sica 8 S 2.5 CP	54 -1	0.33 -0.15	18.6 +0.2	5 -1.5	93 +1	usable	Xmax 5 mm < 6.5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the NBASS08-20 →

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.