B&C 15TBX100

15" · 4 Ω · 1000 W · 93 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	34 Hz
Qts	0.27
Qes	0.28
Qms	5.73
Vas	129.6 L
Sd	855 cm²
Xmax	9 mm
Re	3.7 Ω
Bl	22.13 T·m
Mms	173 g
Pe	1000 W
Sensitivity	93 dB

Alignment hint

EBP	121 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 22.1 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
BMS 15N840V2-8	35.6 +1.6	0.268 =	130 +0.4	8.7 -0.3	97.2 +4.2	close	8 Ω vs 4 Ω: amp load changes · Xmax 8.7 mm < 9 mm: lower excursion-limited SPL	+
B&C 15NW100	34 =	0.23 -0.04	126.1 -3.5	9 =	95 +2	close		+
B&C 15TBX100	35 +1	0.28 +0.01	113 -16.6	9 =	96 +3	close	8 Ω vs 4 Ω: amp load changes	+
B&C 15NBX100	37 +3	0.27 =	109.6 -20	10 +1	95 +2	close		+
18 Sound 15NLW9500	34 =	0.29 +0.02	147.5 +17.9	9 =	96 +3	close		+
Oberton 15XB700	37.2 +3.2	0.283 +0.01	111.02 -18.58	9 =	94.8 +1.8	close	8 Ω vs 4 Ω: amp load changes	+
RCF LF 15X401	34 =	0.289 +0.02	146 +16.4	10.3 +1.3	96.4 +3.4	close	8 Ω vs 4 Ω: amp load changes	+
B&C 15NBX100	36 +2	0.29 +0.02	125 -4.6	10 +1	97 +4	close	8 Ω vs 4 Ω: amp load changes	+
Faital PRO 15FX600	38 +4	0.27 =	128.3 -1.3	11.25 +2.25	98 +5	close	8 Ω vs 4 Ω: amp load changes · 700 W vs 1000 W: lower power handling	+
RCF LF15X401	34 =	0.29 +0.02	146 +16.4	12 +3	96.5 +3.5	close	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the 15TBX100 →

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.