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BMS 12S330 v2018

12" · 8 Ω · 600 W · 91.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs28.6 Hz
Qts0.295
Qes0.31
Qms6.24
Vas81.4 L
Sd500 cm²
Xmax8 mm
Re6 Ω
Bl21.5 T·m
Mms133.4 g
Pe600 W
Sensitivity91.1 dB

Alignment hint

EBP92 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 17.2 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
Celestion FTR12-4080DL28.9 +0.30.303 +0.0168.6 -12.88.7 +0.789.9 -1.2close+
PHL Audio 402029 +0.40.299 =92 +10.67 -192.1 +1close450 W vs 600 W: lower power handling · Xmax 7 mm < 8 mm: lower excursion-limited SPL+
Focal 13W 871128.8 +0.20.328 +0.0387.1 +5.77.9 -0.193.4 +2.3close4 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 7.9 mm < 8 mm: lower excursion-limited SPL+
Focal 13W 8711 vp28.8 +0.20.328 +0.0387.1 +5.77.9 -0.193.4 +2.3close4 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 7.9 mm < 8 mm: lower excursion-limited SPL+
AER SB 1229 +0.40.349 +0.0582 +0.67.1 -0.990.6 -0.5close300 W vs 600 W: lower power handling · Xmax 7.1 mm < 8 mm: lower excursion-limited SPL+
Auditor RIP 300P28.9 +0.30.35 +0.0579.3 -2.18.8 +0.892.6 +1.5close4 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling+
BMS 12S330 v201628.6 =0.24 -0.0585.5 +4.18 =92.3 +1.2close+
Magnat XTC30030 +1.40.317 +0.0281 -0.46.9 -1.193.8 +2.7close4 Ω vs 8 Ω: amp load changes · 300 W vs 600 W: lower power handling · Xmax 6.9 mm < 8 mm: lower excursion-limited SPL+
Tang Band W8Q-1071F27 -1.60.334 +0.0470.4 -119.7 +1.791.8 +0.7close4 Ω vs 8 Ω: amp load changes+
Audio System R1227.7 -0.90.35 +0.0584.3 +2.98.5 +0.588.6 -2.5close4 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling+

Compare the closest 3 against the 12S330 v2018 →

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.