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JBL 1400 PRO

12" · 8 Ω · 1400 W · 99 dB

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs52 Hz
Qts0.314
Qes0.34
Qms4.1
Vas62.3 L
Sd640 cm²
Xmax7.6 mm
Re4.1 Ω
Bl18.4 T·m
Mms86.3 g
Pe1400 W
Sensitivity99 dB

Alignment hint

EBP153 · ported
Sealed Vb (Qtc ≈ 0.71)≈ 15.3 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
18 Sound 12W75055 +30.33 +0.0261 -1.38 +0.498 -1close16 Ω vs 8 Ω: amp load changes · 600 W vs 1400 W: lower power handling+
JBL 2206H52 =0.316 =62.3 =5.9 -1.797.9 -1.1close600 W vs 1400 W: lower power handling · Xmax 5.9 mm < 7.6 mm: lower excursion-limited SPL+
18 Sound 12NTLW250052 =0.31 =52.7 -9.67.6 =97.5 -1.5close4 Ω vs 8 Ω: amp load changes · 500 W vs 1400 W: lower power handling+
Beyma 12"MC50057 +50.34 +0.0357 -5.38 +0.498 -1close500 W vs 1400 W: lower power handling+
Beyma 12MCB70051 -10.27 -0.0459.5 -2.87 -0.698 -1close700 W vs 1400 W: lower power handling · Xmax 7 mm < 7.6 mm: lower excursion-limited SPL+
Faital PRO 12FH52050 -20.29 -0.0273.7 +11.47.25 -0.3598 -1close600 W vs 1400 W: lower power handling · Xmax 7.25 mm < 7.6 mm: lower excursion-limited SPL+
LaVoce NBASS12-30-1648 -40.34 +0.0369.83 +7.537.3 -0.397.5 -1.5close16 Ω vs 8 Ω: amp load changes · 400 W vs 1400 W: lower power handling · Xmax 7.3 mm < 7.6 mm: lower excursion-limited SPL+
B&C 12FL7650 -20.3 -0.0157 -5.36 -1.697.5 -1.5close400 W vs 1400 W: lower power handling · Xmax 6 mm < 7.6 mm: lower excursion-limited SPL+
Beyma 12MCS50057 +50.36 +0.0557 -5.38 +0.498 -1close500 W vs 1400 W: lower power handling+
Oberton 12NMB3554.42 +2.420.36 +0.0554.29 -8.016.75 -0.8599 =close600 W vs 1400 W: lower power handling · Xmax 6.75 mm < 7.6 mm: lower excursion-limited SPL+

Compare the closest 3 against the 1400 PRO →

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.