JBL 2251J
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 16 Ω |
| Fs | 61 Hz |
| Qts | 0.2 |
| Qes | 0.21 |
| Qms | 4 |
| Vas | 28.6 L |
| Sd | 310 cm² |
| Xmax | 4.1 mm |
| Re | 12.65 Ω |
| Bl | 27.2 T·m |
| Mms | 32 g |
| Pe | 400 W |
| Sensitivity | 94.9 dB |
Alignment hint
| EBP | 290 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 2.5 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 10PLB76 | 52 -9 | 0.19 -0.01 | 31 +2.4 | 6 +1.9 | 95.2 +0.3 | close | 8 Ω vs 16 Ω: amp load changes | + |
| JBL 2012H | 61 = | 0.209 +0.01 | 31 +2.4 | 3.8 -0.3 | 99.3 +4.4 | close | 8 Ω vs 16 Ω: amp load changes · 300 W vs 400 W: lower power handling · Xmax 3.8 mm < 4.1 mm: lower excursion-limited SPL | + |
| RCF MB10N305 | 60 -1 | 0.226 +0.03 | 31 +2.4 | 4.6 +0.5 | 98 +3.1 | close | 8 Ω vs 16 Ω: amp load changes | + |
| DAS Audio 10B | 59 -2 | 0.186 -0.01 | 28 -0.6 | 3.4 -0.7 | 98.4 +3.5 | close | 8 Ω vs 16 Ω: amp load changes · Xmax 3.4 mm < 4.1 mm: lower excursion-limited SPL | + |
| PHL Audio 3840 | 62 +1 | 0.21 +0.01 | 28 -0.6 | 3.1 -1 | 98.3 +3.4 | usable | 8 Ω vs 16 Ω: amp load changes · 300 W vs 400 W: lower power handling · Xmax 3.1 mm < 4.1 mm: lower excursion-limited SPL | + |
| B&C 10FW64 | 63 +2 | 0.23 +0.03 | 27 -1.6 | 5 +0.9 | 98 +3.1 | usable | 8 Ω vs 16 Ω: amp load changes · 250 W vs 400 W: lower power handling | + |
| 18 Sound 10NTLW2000 | 57 -4 | 0.22 +0.02 | 31 +2.4 | 4.4 +0.3 | 98.5 +3.6 | usable | 8 Ω vs 16 Ω: amp load changes | + |
| B&C 10 PLB 76 | 52 -9 | 0.189 -0.01 | 31 +2.4 | 4.3 +0.2 | 97.6 +2.7 | usable | 8 Ω vs 16 Ω: amp load changes | + |
| PHL Audio 3820 | 54 -7 | 0.183 -0.02 | 28 -0.6 | 3.6 -0.5 | 97.7 +2.8 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 3.6 mm < 4.1 mm: lower excursion-limited SPL | + |
| PHL Audio 3821 | 54 -7 | 0.183 -0.02 | 28 -0.6 | 3.6 -0.5 | 97.7 +2.8 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 3.6 mm < 4.1 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 2251J →
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.