JBL 2255H
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 39 Hz |
| Qts | 0.303 |
| Qes | 0.33 |
| Qms | 3.68 |
| Vas | 170 L |
| Sd | 880 cm² |
| Xmax | 7.1 mm |
| Re | 5 Ω |
| Bl | 19.9 T·m |
| Mms | 106.3 g |
| Pe | 650 W |
| Sensitivity | 98.9 dB |
Alignment hint
| EBP | 118 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 38.2 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 2226H | 40 +1 | 0.31 +0.01 | 175.6 +5.6 | 7 -0.1 | 99.3 +0.4 | close | Xmax 7 mm < 7.1 mm: lower excursion-limited SPL | + |
| Faital PRO 15FX560 | 38 -1 | 0.3 = | 159 -11 | 9.42 +2.32 | 99 +0.1 | close | + | |
| 18 Sound 15NLW9300 v2015 | 39 = | 0.263 -0.04 | 170 = | 7.2 +0.1 | 98.9 = | close | + | |
| Fane COLOSSUS 15XBN | 38 -1 | 0.279 -0.02 | 168 -2 | 7.5 +0.4 | 98.1 -0.8 | close | + | |
| 18 Sound 15ND940 | 38 -1 | 0.28 -0.02 | 174 +4 | 9.5 +2.4 | 99 +0.1 | close | + | |
| Fane COLOSSUS 15XB v2012 | 38 -1 | 0.322 +0.02 | 168 -2 | 7.5 +0.4 | 97.3 -1.6 | close | + | |
| JBL 2226J | 40 +1 | 0.31 +0.01 | 175.6 +5.6 | 7 -0.1 | 96.3 -2.6 | close | 16 Ω vs 8 Ω: amp load changes · Xmax 7 mm < 7.1 mm: lower excursion-limited SPL | + |
| Elokance 15WF2400 | 38 -1 | 0.32 +0.02 | 165.2 -4.8 | 10.5 +3.4 | 98.1 -0.8 | close | + | |
| BMS 15S330 | 39 = | 0.32 +0.02 | 152 -18 | 8 +0.9 | 98 -0.9 | close | + | |
| Oberton 15NMB35 | 38.93 -0.07 | 0.335 +0.03 | 177.47 +7.47 | 6.75 -0.35 | 99.5 +0.6 | close | Xmax 6.75 mm < 7.1 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 2255H →
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.