JBL E120
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 60 Hz |
| Qts | 0.172 |
| Qes | 0.19 |
| Qms | 1.8 |
| Vas | 79.3 L |
| Sd | 527.1 cm² |
| Xmax | 2.2 mm |
| Re | 6.3 Ω |
| Bl | 20.8 T·m |
| Mms | 34.6 g |
| Pe | 150 W |
| Sensitivity | 102.6 dB |
Alignment hint
| EBP | 316 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 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 |
|---|---|---|---|---|---|---|---|---|
| JBL 2202H | 50 -10 | 0.171 = | 87.8 +8.5 | 2.6 +0.4 | 101.5 -1.1 | close | + | |
| JBL 2202A | 50 -10 | 0.171 = | 87.8 +8.5 | 2.1 -0.1 | 101.5 -1.1 | close | 100 W vs 150 W: lower power handling · Xmax 2.1 mm < 2.2 mm: lower excursion-limited SPL | + |
| 18 Sound 12MB1000 | 54 -6 | 0.18 +0.01 | 60 -19.3 | 2.5 +0.3 | 102 -0.6 | usable | + | |
| JBL 2202J | 50 -10 | 0.173 = | 87.8 +8.5 | 2.6 +0.4 | 98.4 -4.2 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| Beyma 122Nd | 56 -4 | 0.138 -0.03 | 72 -7.3 | 2 -0.2 | 103.4 +0.8 | usable | Xmax 2 mm < 2.2 mm: lower excursion-limited SPL | + |
| B&C 12 PE 32 | 51 -9 | 0.185 +0.01 | 101 +21.7 | 2.8 +0.6 | 101.9 -0.7 | usable | + | |
| B&C 12PE32 | 51 -9 | 0.18 +0.01 | 101 +21.7 | 2.8 +0.6 | 101 -1.6 | usable | + | |
| B&C 12 MH 32 | 52 -8 | 0.194 +0.02 | 71 -8.3 | 4.1 +1.9 | 100.7 -1.9 | usable | + | |
| HH Electronics 1201E | 45.5 -14.5 | 0.171 = | 72.7 -6.6 | 3.3 +1.1 | 99.3 -3.3 | usable | + | |
| 18 Sound 12NMB1000 | 54 -6 | 0.19 +0.02 | 58 -21.3 | 3.5 +1.3 | 102 -0.6 | usable | + |
Compare the closest 3 against the E120 →
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.