JBL 2254J
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 16 Ω |
| Fs | 46.6 Hz |
| Qts | 0.159 |
| Qes | 0.17 |
| Qms | 2.47 |
| Vas | 73.6 L |
| Sd | 630 cm² |
| Xmax | 3.9 mm |
| Re | 11.16 Ω |
| Bl | 41.2 T·m |
| Mms | 88 g |
| Pe | 600 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 274 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 3.9 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 |
|---|---|---|---|---|---|---|---|---|
| P.Audio SN-12B | 48.4 +1.8 | 0.16 = | 68 -5.6 | 3.5 -0.4 | 98.6 +1.6 | close | 8 Ω vs 16 Ω: amp load changes · 300 W vs 600 W: lower power handling · Xmax 3.5 mm < 3.9 mm: lower excursion-limited SPL | + |
| B&C 12 NW 76 | 40 -6.6 | 0.163 = | 76 +2.4 | 4.8 +0.9 | 98.3 +1.3 | close | 8 Ω vs 16 Ω: amp load changes | + |
| HH Electronics 1201E | 45.5 -1.1 | 0.171 +0.01 | 72.7 -0.9 | 3.3 -0.6 | 99.3 +2.3 | close | 8 Ω vs 16 Ω: amp load changes · 200 W vs 600 W: lower power handling · Xmax 3.3 mm < 3.9 mm: lower excursion-limited SPL | + |
| Oberton 12NB400 | 43.58 -3.02 | 0.18 +0.02 | 70.45 -3.15 | 5.25 +1.35 | 98 +1 | close | 8 Ω vs 16 Ω: amp load changes · 450 W vs 600 W: lower power handling | + |
| B&C 12NW76 | 40 -6.6 | 0.16 = | 76 +2.4 | 8 +4.1 | 98.5 +1.5 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Beyma 12P80ND V2 | 50 +3.4 | 0.163 = | 65 -8.6 | 4.5 +0.6 | 100.7 +3.7 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Beyma 12P80/Fe | 46 -0.6 | 0.186 +0.03 | 75.6 +2 | 5.6 +1.7 | 99.8 +2.8 | close | 8 Ω vs 16 Ω: amp load changes | + |
| B&C 12NW76 | 43 -3.6 | 0.15 -0.01 | 64.5 -9.1 | 8 +4.1 | 98 +1 | close | 4 Ω vs 16 Ω: amp load changes | + |
| BMS 12S320 | 45.4 -1.2 | 0.2 +0.04 | 69.5 -4.1 | 4.5 +0.6 | 98 +1 | close | 8 Ω vs 16 Ω: amp load changes | + |
| BMS 12C362 | 47.5 +0.9 | 0.182 +0.02 | 56.5 -17.1 | 4.4 +0.5 | 98.5 +1.5 | usable | 8 Ω vs 16 Ω: amp load changes | + |
Compare the closest 3 against the 2254J →
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.