B&C 12TBX100

12" · 4 Ω · 1000 W · 93 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	44 Hz
Qts	0.23
Qes	0.24
Qms	6.23
Vas	41.1 L
Sd	531 cm²
Xmax	9 mm
Re	3.6 Ω
Bl	22.91 T·m
Mms	125 g
Pe	1000 W
Sensitivity	93 dB

Alignment hint

EBP	183 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 4.9 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

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
B&C 12NW100	44 =	0.2 -0.03	43.3 +2.2	9 =	92 -1	close		+
Lavoce WAF124.01	42 -2	0.22 -0.01	49 +7.9	9 =	93.8 +0.8	close	8 Ω vs 4 Ω: amp load changes	+
Beyma 12"LEX1300Nd	45 +1	0.24 +0.01	43 +1.9	11 +2	96 +3	close	8 Ω vs 4 Ω: amp load changes	+
B&C 12NBX100	40 -4	0.22 -0.01	46.5 +5.4	10 +1	94 +1	close		+
B&C 12TBX100	42 -2	0.26 +0.03	37.5 -3.6	9 =	95 +2	close	8 Ω vs 4 Ω: amp load changes	+
B&C 12PS100	44 =	0.27 +0.04	47 +5.9	8 -1	93 =	close	8 Ω vs 4 Ω: amp load changes · 700 W vs 1000 W: lower power handling · Xmax 8 mm < 9 mm: lower excursion-limited SPL	+
Faital PRO 12FX600	48 +4	0.24 +0.01	44.4 +3.3	9.9 +0.9	97 +4	close	8 Ω vs 4 Ω: amp load changes · 700 W vs 1000 W: lower power handling	+
B&C 12NW100	42 -2	0.2 -0.03	44 +2.9	9 =	96 +3	close	8 Ω vs 4 Ω: amp load changes	+
Faital PRO 12HP1060	45 +1	0.25 +0.02	33.8 -7.3	12.45 +3.45	95 +2	usable		+
Lavoce WAN124.01	40 -4	0.21 -0.02	51 +9.9	8.5 -0.5	93.6 +0.6	usable	8 Ω vs 4 Ω: amp load changes · Xmax 8.5 mm < 9 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 12TBX100 →

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.