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MTX Audio BG104A

10" · 4 Ω · 250 W · 91.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size10"
Impedance4 Ω
Fs26 Hz
Qts0.359
Qes0.38
Qms6.55
Vas72.8 L
Sd355.8 cm²
Xmax9.7 mm
Re3.33 Ω
Bl11.4 T·m
Mms91.4 g
Pe250 W
Sensitivity91.1 dB

Alignment hint

EBP68 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 25.3 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
Wavecor WF275BD0127 +10.368 +0.0181.5 +8.79 -0.792.4 +1.3close180 W vs 250 W: lower power handling · Xmax 9 mm < 9.7 mm: lower excursion-limited SPL+
Image Dynamics IDQ10DQV325.5 -0.50.384 +0.0371 -1.89 -0.788.9 -2.2close8 Ω vs 4 Ω: amp load changes · Xmax 9 mm < 9.7 mm: lower excursion-limited SPL+
SB Acoustics SB29NRX75-826 =0.37 +0.0185.6 +12.811 +1.389 -2.1close8 Ω vs 4 Ω: amp load changes+
Volt RV255028 +20.331 -0.0371.8 -19.1 -0.689.5 -1.6close8 Ω vs 4 Ω: amp load changes · Xmax 9.1 mm < 9.7 mm: lower excursion-limited SPL+
JBL P100030 +40.382 +0.0271 -1.87.8 -1.991.2 +0.1close8 Ω vs 4 Ω: amp load changes · Xmax 7.8 mm < 9.7 mm: lower excursion-limited SPL+
Peerless 83084624.3 -1.70.328 -0.0381.8 +98.7 -192.2 +1.1close175 W vs 250 W: lower power handling · Xmax 8.7 mm < 9.7 mm: lower excursion-limited SPL+
Tang Band WT-644F32 +60.357 =77 +4.27.9 -1.891.3 +0.2close8 Ω vs 4 Ω: amp load changes · 180 W vs 250 W: lower power handling · Xmax 7.9 mm < 9.7 mm: lower excursion-limited SPL+
STX W.27.500.8.FCX25 -10.352 -0.0159 -13.89.6 -0.187.6 -3.5close8 Ω vs 4 Ω: amp load changes · Xmax 9.6 mm < 9.7 mm: lower excursion-limited SPL+
JBL SB21025.4 -0.60.412 +0.0573 +0.27.5 -2.289.8 -1.3closeXmax 7.5 mm < 9.7 mm: lower excursion-limited SPL+
Vifa NE-265W-0423 -30.294 -0.0672.8 =8.9 -0.891.1 =close190 W vs 250 W: lower power handling · Xmax 8.9 mm < 9.7 mm: lower excursion-limited SPL+

Compare the closest 3 against the BG104A →

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.