JBL 1400 PRO
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 52 Hz |
| Qts | 0.314 |
| Qes | 0.34 |
| Qms | 4.1 |
| Vas | 62.3 L |
| Sd | 640 cm² |
| Xmax | 7.6 mm |
| Re | 4.1 Ω |
| Bl | 18.4 T·m |
| Mms | 86.3 g |
| Pe | 1400 W |
| Sensitivity | 99 dB |
Alignment hint
| EBP | 153 · 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
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 12W750 | 55 +3 | 0.33 +0.02 | 61 -1.3 | 8 +0.4 | 98 -1 | close | 16 Ω vs 8 Ω: amp load changes · 600 W vs 1400 W: lower power handling | + |
| JBL 2206H | 52 = | 0.316 = | 62.3 = | 5.9 -1.7 | 97.9 -1.1 | close | 600 W vs 1400 W: lower power handling · Xmax 5.9 mm < 7.6 mm: lower excursion-limited SPL | + |
| 18 Sound 12NTLW2500 | 52 = | 0.31 = | 52.7 -9.6 | 7.6 = | 97.5 -1.5 | close | 4 Ω vs 8 Ω: amp load changes · 500 W vs 1400 W: lower power handling | + |
| Beyma 12"MC500 | 57 +5 | 0.34 +0.03 | 57 -5.3 | 8 +0.4 | 98 -1 | close | 500 W vs 1400 W: lower power handling | + |
| Beyma 12MCB700 | 51 -1 | 0.27 -0.04 | 59.5 -2.8 | 7 -0.6 | 98 -1 | close | 700 W vs 1400 W: lower power handling · Xmax 7 mm < 7.6 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH520 | 50 -2 | 0.29 -0.02 | 73.7 +11.4 | 7.25 -0.35 | 98 -1 | close | 600 W vs 1400 W: lower power handling · Xmax 7.25 mm < 7.6 mm: lower excursion-limited SPL | + |
| LaVoce NBASS12-30-16 | 48 -4 | 0.34 +0.03 | 69.83 +7.53 | 7.3 -0.3 | 97.5 -1.5 | close | 16 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 12FL76 | 50 -2 | 0.3 -0.01 | 57 -5.3 | 6 -1.6 | 97.5 -1.5 | close | 400 W vs 1400 W: lower power handling · Xmax 6 mm < 7.6 mm: lower excursion-limited SPL | + |
| Beyma 12MCS500 | 57 +5 | 0.36 +0.05 | 57 -5.3 | 8 +0.4 | 98 -1 | close | 500 W vs 1400 W: lower power handling | + |
| Oberton 12NMB35 | 54.42 +2.42 | 0.36 +0.05 | 54.29 -8.01 | 6.75 -0.85 | 99 = | close | 600 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.