B&C 8CL51

8" · 8 Ω · 200 W · 94 dB · datasheet ↗

Thiele-Small parameters

Nominal size	8"
Impedance	8 Ω
Fs	69 Hz
Qts	0.41
Qes	0.44
Qms	5.6
Vas	12.5 L
Sd	220 cm²
Xmax	6.5 mm
Re	5.1 Ω
Bl	12 T·m
Mms	29 g
Pe	200 W
Sensitivity	94 dB

Alignment hint

EBP	157 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 6.3 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
Faital PRO 8PR320	65 -4	0.41 =	13.1 +0.6	7.33 +0.83	95 +1	close		+
B&C 8NDL51	70 +1	0.47 +0.06	13.4 +0.9	7 +0.5	94 =	close	16 Ω vs 8 Ω: amp load changes	+
Faital PRO 8FE300	70 +1	0.41 =	14 +1.5	5.47 -1.03	93 -1	close	4 Ω vs 8 Ω: amp load changes · Xmax 5.47 mm < 6.5 mm: lower excursion-limited SPL	+
B&C 8NDL51	66 -3	0.37 -0.04	14 +1.5	7 +0.5	94 =	close		+
BMS 8N519	74.9 +5.9	0.37 -0.04	10.9 -1.6	6.3 -0.2	94 =	close	Xmax 6.3 mm < 6.5 mm: lower excursion-limited SPL	+
LaVoce WAF082.00	78 +9	0.37 -0.04	11.92 -0.58	6.3 -0.2	95 +1	close	Xmax 6.3 mm < 6.5 mm: lower excursion-limited SPL	+
BMS 8S219	82 +13	0.41 =	9.7 -2.8	6.3 -0.2	94 =	close	Xmax 6.3 mm < 6.5 mm: lower excursion-limited SPL	+
Faital PRO 8FE300	70 +1	0.44 +0.03	15.7 +3.2	5.52 -0.98	95 +1	usable	Xmax 5.52 mm < 6.5 mm: lower excursion-limited SPL	+
Beyma 8"G40	70 +1	0.36 -0.05	17 +4.5	6.5 =	95 +1	usable		+
Faital PRO 8PR210	65 -4	0.34 -0.07	15.7 +3.2	7.17 +0.67	94 =	usable	16 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the 8CL51 →

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.