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Visaton BZ300 4 Ohms

12" · 4 Ω · 350 W · 95.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance4 Ω
Fs36 Hz
Qts0.483
Qes0.53
Qms5.46
Vas129 L
Sd510 cm²
Xmax5 mm
Re3.9 Ω
Bl9.6 T·m
Mms55.2 g
Pe350 W
Sensitivity95.7 dB

Alignment hint

EBP68 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 112.8 L

EBP 50-100: works in either a sealed or ported 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
MCM Electronics 55-321238.5 +2.50.477 -0.01122.6 -6.44.7 -0.396.6 +0.9close100 W vs 350 W: lower power handling · Xmax 4.7 mm < 5 mm: lower excursion-limited SPL+
Eminence LTD-12MK237.9 +1.90.485 =123.2 -5.85.6 +0.698 +2.3close150 W vs 350 W: lower power handling+
MCM Electronics 55-297342 +60.481 =122.6 -6.45 =94.5 -1.2close8 Ω vs 4 Ω: amp load changes · 120 W vs 350 W: lower power handling+
LaVoce LBASS12-1538 +20.48 =160.93 +31.934.7 -0.395.5 -0.2close8 Ω vs 4 Ω: amp load changes · 100 W vs 350 W: lower power handling · Xmax 4.7 mm < 5 mm: lower excursion-limited SPL+
Eminence ME12/200LF36.4 +0.40.482 =131.9 +2.93.7 -1.393.3 -2.4close8 Ω vs 4 Ω: amp load changes · 200 W vs 350 W: lower power handling · Xmax 3.7 mm < 5 mm: lower excursion-limited SPL+
Eminence MME 2008 LF36.4 +0.40.482 =131.9 +2.93.7 -1.393.3 -2.4close8 Ω vs 4 Ω: amp load changes · 200 W vs 350 W: lower power handling · Xmax 3.7 mm < 5 mm: lower excursion-limited SPL+
Davis KIT ALBEDO37.5 +1.50.459 -0.02166 +375 =96.5 +0.8close8 Ω vs 4 Ω: amp load changes · 150 W vs 350 W: lower power handling+
Infinity 120W.IB32 -40.527 +0.04127 -28.1 +3.194.9 -0.8close200 W vs 350 W: lower power handling+
Celestion PULSE XL 12.2035.1 -0.90.503 +0.02153.3 +24.38.3 +3.394.2 -1.5close8 Ω vs 4 Ω: amp load changes · 250 W vs 350 W: lower power handling+
Audax LFP50140 +40.521 +0.04138 +94.5 -0.594.6 -1.1close8 Ω vs 4 Ω: amp load changes · 150 W vs 350 W: lower power handling · Xmax 4.5 mm < 5 mm: lower excursion-limited SPL+

Compare the closest 3 against the BZ300 4 Ohms →

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.