← all drivers

B&C 12 FG 100

12" · 8 Ω · 1000 W · 91 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs34 Hz
Qts0.362
Qes0.39
Qms5.1
Vas49 L
Sd522 cm²
Xmax9.5 mm
Re4.9 Ω
Bl21.4 T·m
Mms170.8 g
Pe1000 W
Sensitivity91 dB

Alignment hint

EBP87 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 17.4 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
B&C 12FG10034 =0.36 =49 =10.3 +0.891 =close+
Ground Zero GZRW 30SPL vp33.3 -0.70.357 -0.0152 +39.1 -0.492 +1close750 W vs 1000 W: lower power handling · Xmax 9.1 mm < 9.5 mm: lower excursion-limited SPL+
B&C 12FG10034 =0.32 -0.0453 +410.3 +0.891 =close4 Ω vs 8 Ω: amp load changes+
Ground Zero GZRW 12XS-AL30 -40.395 +0.0352 +38.9 -0.690.4 -0.6close4 Ω vs 8 Ω: amp load changes · 600 W vs 1000 W: lower power handling · Xmax 8.9 mm < 9.5 mm: lower excursion-limited SPL+
DLS ULTIMATE IRIDIUM 1233.8 -0.20.386 +0.0249.2 +0.27 -2.588.8 -2.2close600 W vs 1000 W: lower power handling · Xmax 7 mm < 9.5 mm: lower excursion-limited SPL+
B&C 12 FG 100 4 Ohms34 =0.32 -0.0453 +49.2 -0.394.3 +3.3close4 Ω vs 8 Ω: amp load changes · Xmax 9.2 mm < 9.5 mm: lower excursion-limited SPL+
Audiobahn AW120T32.4 -1.60.39 +0.0345 -49 -0.587.5 -3.5close4 Ω vs 8 Ω: amp load changes · 500 W vs 1000 W: lower power handling · Xmax 9 mm < 9.5 mm: lower excursion-limited SPL+
Hifonics ZX128433 -10.38 +0.0263 +149 -0.589.2 -1.8close4 Ω vs 8 Ω: amp load changes · 750 W vs 1000 W: lower power handling · Xmax 9 mm < 9.5 mm: lower excursion-limited SPL+
Faital PRO 12RS55042 +80.37 +0.0145.4 -3.69.25 -0.2593 +2close500 W vs 1000 W: lower power handling · Xmax 9.25 mm < 9.5 mm: lower excursion-limited SPL+
PHL Audio 402135.4 +1.40.367 +0.0155.2 +6.26.5 -391.6 +0.6close450 W vs 1000 W: lower power handling · Xmax 6.5 mm < 9.5 mm: lower excursion-limited SPL+

Compare the closest 3 against the 12 FG 100 →

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.