JBL 2150
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 55 Hz |
| Qts | 0.637 |
| Qes | 0.73 |
| Qms | 5 |
| Vas | 99.1 L |
| Sd | 754.2 cm² |
| Xmax | 2 mm |
| Re | 5.5 Ω |
| Bl | 13.2 T·m |
| Mms | 67.4 g |
| Pe | 50 W |
| Sensitivity | 97.1 dB |
Alignment hint
| EBP | 75 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 426.7 L |
EBP 50-100: works in either a sealed or ported 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 |
|---|---|---|---|---|---|---|---|---|
| the box Speaker 15-300/8-A | 52.6 -2.4 | 0.64 = | 100.3 +1.2 | 4.6 +2.6 | 96.8 -0.3 | close | + | |
| JBL 615H | 55 = | 0.603 -0.03 | 112 +12.9 | 3.7 +1.7 | 98.1 +1 | close | + | |
| Celestion BL15-400X | 54.2 -0.8 | 0.592 -0.05 | 110.9 +11.8 | 4.8 +2.8 | 97.3 +0.2 | close | + | |
| Audax PR380T0 | 52 -3 | 0.635 = | 130 +30.9 | 3.3 +1.3 | 97.1 = | close | + | |
| Audax PR380T0 vp_g | 56.9 +1.9 | 0.537 -0.1 | 108.5 +9.4 | 2.8 +0.8 | 98.6 +1.5 | usable | + | |
| RCF LF 15G302 vp baptiste | 56.8 +1.8 | 0.561 -0.08 | 87 -12.1 | 6 +4 | 97.1 = | usable | + | |
| Audax PR380T2 | 52 -3 | 0.522 -0.11 | 92 -7.1 | 2.7 +0.7 | 99.4 +2.3 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| P.Audio BM-15LF | 47 -8 | 0.668 +0.03 | 123.4 +24.3 | 7.1 +5.1 | 96.5 -0.6 | usable | + | |
| Celestion TF 1525 | 46 -9 | 0.637 = | 162.1 +63 | 2.5 +0.5 | 97.2 +0.1 | usable | + | |
| Beyma 15CMV2 v2021 | 49 -6 | 0.485 -0.15 | 104 +4.9 | 4.5 +2.5 | 96.7 -0.4 | usable | + |
Compare the closest 3 against the 2150 →
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.