B&C 18 TBX 100

18" · 8 Ω · 1200 W · 97.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	34 Hz
Qts	0.352
Qes	0.37
Qms	7.2
Vas	212 L
Sd	1210 cm²
Xmax	9 mm
Re	5.1 Ω
Bl	25 T·m
Mms	212.1 g
Pe	1200 W
Sensitivity	97.5 dB

Alignment hint

EBP	92 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 69.8 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

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
B&C 18TBX100	34 =	0.35 =	212 =	9 =	97 -0.5	close		+
PHL Audio 7201ND	34 =	0.355 =	230 +18	8.5 -0.5	97.5 =	close	Xmax 8.5 mm < 9 mm: lower excursion-limited SPL	+
18 Sound 18LW2420	34 =	0.36 +0.01	196 -16	10 +1	98 +0.5	close		+
Sica 18 S 4 CP	33 -1	0.35 =	225 +13	11 +2	97.1 -0.4	close		+
B&C 18 RBX 100	35 +1	0.343 -0.01	220 +8	8.3 -0.7	98.1 +0.6	close	Xmax 8.3 mm < 9 mm: lower excursion-limited SPL	+
Faital PRO 18XL1600	32 -2	0.36 +0.01	211.4 -0.6	12.92 +3.92	98 +0.5	close		+
18 Sound 18LW1400	33 -1	0.32 -0.03	210 -2	9 =	97 -0.5	close	4 Ω vs 8 Ω: amp load changes	+
Faital PRO 18HP1060	35 +1	0.37 +0.02	200.3 -11.7	12.45 +3.45	98 +0.5	close		+
18 Sound 18LW2420	34 =	0.31 -0.04	208 -4	10 +1	98 +0.5	close	4 Ω vs 8 Ω: amp load changes	+
Beyma 18G550	36 +2	0.374 +0.02	210 -2	8.1 -0.9	97.8 +0.3	close	900 W vs 1200 W: lower power handling · Xmax 8.1 mm < 9 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 18 TBX 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.