B&C 6NDL38

6.5" · 16 Ω · 150 W · 93 dB · datasheet ↗

Thiele-Small parameters

Nominal size	6.5"
Impedance	16 Ω
Fs	70 Hz
Qts	0.5
Qes	0.53
Qms	10.29
Vas	8.9 L
Sd	132 cm²
Xmax	6 mm
Re	11.3 Ω
Bl	11.7 T·m
Mms	15 g
Pe	150 W
Sensitivity	93 dB

Alignment hint

EBP	132 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 8.9 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 6NDL38	72 +2	0.42 -0.08	7 -1.9	6 =	92 -1	usable	8 Ω vs 16 Ω: amp load changes	+
B&C 6NDL38	69 -1	0.39 -0.11	7.1 -1.8	6 =	91 -2	usable	4 Ω vs 16 Ω: amp load changes	+
Beyma 6P200Fe	66 -4	0.35 -0.15	8.8 -0.1	4 -2	93 =	usable	Xmax 4 mm < 6 mm: lower excursion-limited SPL	+
B&C 6PS38	75 +5	0.3 -0.2	8 -0.9	6 =	94 +1	usable	8 Ω vs 16 Ω: amp load changes	+
Beyma 6"B30/P	56 -14	0.5 =	15.6 +6.7	5.5 -0.5	90 -3	usable	8 Ω vs 16 Ω: amp load changes · 50 W vs 150 W: lower power handling · Xmax 5.5 mm < 6 mm: lower excursion-limited SPL	+
B&C 6PS44	71 +1	0.33 -0.17	7 -1.9	4.5 -1.5	93 =	usable	8 Ω vs 16 Ω: amp load changes · Xmax 4.5 mm < 6 mm: lower excursion-limited SPL	+
B&C 6CLA51	89 +19	0.41 -0.09	5.7 -3.2	5.5 -0.5	93.5 +0.5	usable	Xmax 5.5 mm < 6 mm: lower excursion-limited SPL	+
Oberton 6NB150	62.32 -7.68	0.28 -0.22	9.3 +0.4	5.5 -0.5	92 -1	usable	8 Ω vs 16 Ω: amp load changes · Xmax 5.5 mm < 6 mm: lower excursion-limited SPL	+
Beyma 6CMV2	90 +20	0.34 -0.16	6.5 -2.4	5.7 -0.3	94 +1	usable	8 Ω vs 16 Ω: amp load changes · Xmax 5.7 mm < 6 mm: lower excursion-limited SPL	+
18 Sound 6ND430	66 -4	0.3 -0.2	12.6 +3.7	5 -1	94 +1	usable	Xmax 5 mm < 6 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 6NDL38 →

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.