B&C 8NDL64

8" · 8 Ω · 350 W · 97 dB · datasheet ↗

Thiele-Small parameters

Nominal size	8"
Impedance	8 Ω
Fs	80 Hz
Qts	0.25
Qes	0.25
Qms	10.91
Vas	9.6 L
Sd	220 cm²
Xmax	4.5 mm
Re	5.4 Ω
Bl	17.5 T·m
Mms	28 g
Pe	350 W
Sensitivity	97 dB

Alignment hint

EBP	320 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 1.4 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 8NW51	76 -4	0.25 =	10.6 +1	6 +1.5	97 =	close	4 Ω vs 8 Ω: amp load changes · 200 W vs 350 W: lower power handling	+
Oberton 8NMB250v4	82.03 +2.03	0.258 +0.01	10.89 +1.29	4.5 =	96 -1	close	250 W vs 350 W: lower power handling	+
LaVoce WAN082.02	80 =	0.23 -0.02	8.97 -0.63	5.8 +1.3	96.5 -0.5	close	200 W vs 350 W: lower power handling	+
18 Sound 8NTLW2000	74 -6	0.26 +0.01	11.3 +1.7	4.4 -0.1	96.5 -0.5	close	16 Ω vs 8 Ω: amp load changes · Xmax 4.4 mm < 4.5 mm: lower excursion-limited SPL	+
B&C 8NDL64	73 -7	0.24 -0.01	11.8 +2.2	4.5 =	97 =	close	16 Ω vs 8 Ω: amp load changes	+
LaVoce WAF082.01	76 -4	0.21 -0.04	10.21 +0.61	5.8 +1.3	97 =	close	250 W vs 350 W: lower power handling	+
B&C 8CLA64	71 -9	0.24 -0.01	12.5 +2.9	5.3 +0.8	96 -1	usable	250 W vs 350 W: lower power handling	+
Sica 8 K 3 PL	68.1 -11.9	0.25 =	12.2 +2.6	5 +0.5	95.1 -1.9	usable		+
Oberton 8NB201	70.56 -9.44	0.245 -0.01	12.54 +2.94	5.25 +0.75	95 -2	usable	200 W vs 350 W: lower power handling	+
LaVoce WAN082.01	85 +5	0.32 +0.07	9 -0.6	5.8 +1.3	96 -1	usable	200 W vs 350 W: lower power handling	+

Compare the closest 3 against the 8NDL64 →

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.