MTX Audio TX615

15" · 4 Ω · 1000 W · 94.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	28 Hz
Qts	0.425
Qes	0.46
Qms	5.54
Vas	89.8 L
Sd	838.2 cm²
Xmax	9.5 mm
Re	2 Ω
Bl	16.5 T·m
Mms	354.4 g
Pe	1000 W
Sensitivity	94.3 dB

Alignment hint

EBP	61 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 50.8 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
FI Audio Q15 DUAL 2	32.1 +4.1	0.419 -0.01	75.6 -14.2	11.3 +1.8	94.1 -0.2	close		+
Ciare 15.00SW-4	29 +1	0.407 -0.02	113 +23.2	11.1 +1.6	93.4 -0.9	close		+
Rockford Fosgate T0D215	25.5 -2.5	0.438 +0.01	94.4 +4.6	9.3 -0.2	90.9 -3.4	close	Xmax 9.3 mm < 9.5 mm: lower excursion-limited SPL	+
B&C 15BG100	36 +8	0.44 +0.02	83 -6.8	10.5 +1	94.5 +0.2	close	8 Ω vs 4 Ω: amp load changes	+
Alpine SWS-15D2	27 -1	0.437 +0.01	107 +17.2	7.5 -2	95.2 +0.9	close	2 Ω vs 4 Ω: amp load changes · 500 W vs 1000 W: lower power handling · Xmax 7.5 mm < 9.5 mm: lower excursion-limited SPL	+
Dayton Audio SS15-22	27 -1	0.388 -0.04	98 +8.2	10.3 +0.8	90.4 -3.9	close	8 Ω vs 4 Ω: amp load changes	+
Stereo Integrity RM-15 15	29 +1	0.498 +0.07	89.7 -0.1	9.7 +0.2	89.2 -5.1	usable	8 Ω vs 4 Ω: amp load changes	+
JL Audio 13W7AE-D1.5	23.5 -4.5	0.448 +0.02	104.3 +14.5	12.1 +2.6	91.7 -2.6	usable	750 W vs 1000 W: lower power handling	+
Faital PRO 15XL1200	40 +12	0.4 -0.02	86.9 -2.9	12.45 +2.95	95 +0.7	usable	8 Ω vs 4 Ω: amp load changes	+
B&C 15 BG 100	36 +8	0.446 +0.02	83 -6.8	8 -1.5	92.9 -1.4	usable	8 Ω vs 4 Ω: amp load changes · Xmax 8 mm < 9.5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the TX615 →

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.