B&C 8CLA64

8" · 8 Ω · 250 W · 96 dB · datasheet ↗

Thiele-Small parameters

Nominal size	8"
Impedance	8 Ω
Fs	71 Hz
Qts	0.24
Qes	0.25
Qms	7.3
Vas	12.5 L
Sd	220 cm²
Xmax	5.3 mm
Re	5.6 Ω
Bl	16.4 T·m
Mms	27 g
Pe	250 W
Sensitivity	96 dB

Alignment hint

EBP	284 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 1.6 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
Oberton 8NB201	70.56 -0.44	0.245 +0.01	12.54 +0.04	5.25 -0.05	95 -1	close	Xmax 5.25 mm < 5.3 mm: lower excursion-limited SPL	+
Sica 8 K 3 PL	68.1 -2.9	0.25 +0.01	12.2 -0.3	5 -0.3	95.1 -0.9	close	Xmax 5 mm < 5.3 mm: lower excursion-limited SPL	+
B&C 8NDL64	73 +2	0.24 =	11.8 -0.7	4.5 -0.8	97 +1	close	16 Ω vs 8 Ω: amp load changes · Xmax 4.5 mm < 5.3 mm: lower excursion-limited SPL	+
B&C 8FW51	74 +3	0.21 -0.03	12 -0.5	6 +0.7	97 +1	close		+
B&C 8NW51	76 +5	0.25 +0.01	10.6 -1.9	6 +0.7	97 +1	close	4 Ω vs 8 Ω: amp load changes	+
B&C 8NW51	68 -3	0.22 -0.02	14 +1.5	7 +1.7	97 +1	close	16 Ω vs 8 Ω: amp load changes	+
18 Sound 8NTLW2000	74 +3	0.26 +0.02	11.3 -1.2	4.4 -0.9	96.5 +0.5	close	16 Ω vs 8 Ω: amp load changes · Xmax 4.4 mm < 5.3 mm: lower excursion-limited SPL	+
18 Sound 8NTLW2000	71 =	0.21 -0.03	13 +0.5	4.4 -0.9	97.5 +1.5	close	Xmax 4.4 mm < 5.3 mm: lower excursion-limited SPL	+
Oberton 8NMB250v4	82.03 +11.03	0.258 +0.02	10.89 -1.61	4.5 -0.8	96 =	usable	Xmax 4.5 mm < 5.3 mm: lower excursion-limited SPL	+
Beyma 8WR300	65 -6	0.27 +0.03	15 +2.5	6 +0.7	95 -1	usable		+

Compare the closest 3 against the 8CLA64 →

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.