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B&C 6CLA51

6.5" · 16 Ω · 250 W · 93.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size6.5"
Impedance16 Ω
Fs89 Hz
Qts0.41
Qes0.46
Qms3.9
Vas5.7 L
Sd132 cm²
Xmax5.5 mm
Re9.7 Ω
Bl12.8 T·m
Mms14 g
Pe250 W
Sensitivity93.5 dB

Alignment hint

EBP193 · ported
Sealed Vb (Qtc ≈ 0.71)≈ 2.9 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
18 Sound 6NTLW200086 -30.38 -0.034.8 -0.94.9 -0.693 -0.5closeXmax 4.9 mm < 5.5 mm: lower excursion-limited SPL+
Beyma 6CMV290 +10.34 -0.076.5 +0.85.7 +0.294 +0.5close8 Ω vs 16 Ω: amp load changes+
B&C 6NDL3872 -170.42 +0.017 +1.36 +0.592 -1.5usable8 Ω vs 16 Ω: amp load changes · 150 W vs 250 W: lower power handling+
18 Sound 6NTLW200086 -30.35 -0.064.6 -1.14.9 -0.693 -0.5usable8 Ω vs 16 Ω: amp load changes · Xmax 4.9 mm < 5.5 mm: lower excursion-limited SPL+
B&C 6NDL3869 -200.39 -0.027.1 +1.46 +0.591 -2.5usable4 Ω vs 16 Ω: amp load changes · 150 W vs 250 W: lower power handling+
B&C 6CLA5196 +70.32 -0.094.3 -1.44.8 -0.794.5 +1usable8 Ω vs 16 Ω: amp load changes · Xmax 4.8 mm < 5.5 mm: lower excursion-limited SPL+
B&C 6PS4471 -180.33 -0.087 +1.34.5 -193 -0.5usable8 Ω vs 16 Ω: amp load changes · Xmax 4.5 mm < 5.5 mm: lower excursion-limited SPL+
B&C 6PS3875 -140.3 -0.118 +2.36 +0.594 +0.5usable8 Ω vs 16 Ω: amp load changes · 150 W vs 250 W: lower power handling+
B&C 6NDL3870 -190.5 +0.098.9 +3.26 +0.593 -0.5usable150 W vs 250 W: lower power handling+
Beyma 6G40Nd/N100 +110.38 -0.033.7 -23 -2.594 +0.5usable8 Ω vs 16 Ω: amp load changes · 170 W vs 250 W: lower power handling · Xmax 3 mm < 5.5 mm: lower excursion-limited SPL+

Compare the closest 3 against the 6CLA51 →

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.