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B&C 4NDS34

4" · 8 Ω · 100 W · 89 dB · datasheet ↗

Thiele-Small parameters

Nominal size4"
Impedance8 Ω
Fs79 Hz
Qts0.24
Qes0.25
Qms8.5
Vas2.6 L
Sd57 cm²
Xmax3.8 mm
Re5.5 Ω
Bl8.8 T·m
Mms7.2 g
Pe100 W
Sensitivity89 dB

Alignment hint

EBP316 · ported
Sealed Vb (Qtc ≈ 0.71)≈ 0.3 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
LaVoce WSN041.00104 +250.3 +0.061.79 -0.814 +0.291.5 +2.5usable40 W vs 100 W: lower power handling+
B&C 4NDF34110 +310.27 +0.031.6 -13.8 =92 +3usable+
LaVoce WSN041.00-16106 +270.36 +0.121.96 -0.644.3 +0.591 +2risky16 Ω vs 8 Ω: amp load changes · 40 W vs 100 W: lower power handling+
Faital PRO 4FE42110 +310.38 +0.141.8 -0.82.83 -0.9793 +4risky4 Ω vs 8 Ω: amp load changes · 40 W vs 100 W: lower power handling · Xmax 2.83 mm < 3.8 mm: lower excursion-limited SPL+
Faital PRO 4FE32100 +210.61 +0.372.3 -0.32.73 -1.0791 +2risky30 W vs 100 W: lower power handling · Xmax 2.73 mm < 3.8 mm: lower excursion-limited SPL+
Faital PRO 4FE32100 +210.53 +0.292.5 -0.11.73 -2.0791 +2risky4 Ω vs 8 Ω: amp load changes · 30 W vs 100 W: lower power handling · Xmax 1.73 mm < 3.8 mm: lower excursion-limited SPL+
Faital PRO 4FE42110 +310.47 +0.231.9 -0.72.83 -0.9794 +5risky40 W vs 100 W: lower power handling · Xmax 2.83 mm < 3.8 mm: lower excursion-limited SPL+
Sica 4 E 1 CS118 +390.39 +0.151.3 -1.32.2 -1.690.2 +1.2risky70 W vs 100 W: lower power handling · Xmax 2.2 mm < 3.8 mm: lower excursion-limited SPL+
Faital PRO 4FE35100 +210.83 +0.592.4 -0.22.73 -1.0791 +2risky30 W vs 100 W: lower power handling · Xmax 2.73 mm < 3.8 mm: lower excursion-limited SPL+
Eminence ALPHA 4-4120 +410.63 +0.391.76 -0.842.6 -1.288 -1risky4 Ω vs 8 Ω: amp load changes · 55 W vs 100 W: lower power handling · Xmax 2.6 mm < 3.8 mm: lower excursion-limited SPL+

Compare the closest 3 against the 4NDS34 →

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.