Selenium 38GPT12
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 42.2 Hz |
| Qts | 0.657 |
| Qes | 0.792 |
| Qms | 3.861 |
| Vas | 185.7 L |
| Sd | 855.3 cm² |
| Xmax | 5 mm |
| Re | 5.9 Ω |
| Bl | 12.5 T·m |
| Mms | 78.5 g |
| Pe | 200 W |
| Sensitivity | 95.8 dB |
Alignment hint
| EBP | 53 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 1172.7 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 |
|---|---|---|---|---|---|---|---|---|
| Eminence DELTA 15 LF | 41 -1.2 | 0.584 -0.07 | 186.1 +0.4 | 6 +1 | 96 +0.2 | close | + | |
| JB Systems PWX15-300 | 40.1 -2.1 | 0.552 -0.1 | 169.9 -15.8 | 5 = | 96 +0.2 | close | + | |
| Realistic PRO 250 vp | 47.3 +5.1 | 0.619 -0.04 | 196.6 +10.9 | 5.5 +0.5 | 97.9 +2.1 | close | + | |
| Fane 15-400LF | 39 -3.2 | 0.577 -0.08 | 210 +24.3 | 5 = | 96.1 +0.3 | close | + | |
| SB Audience BIANCO-15MW200 | 44 +1.8 | 0.586 -0.07 | 153 -32.7 | 5.2 +0.2 | 96 +0.2 | close | + | |
| Fane 15-400LF v2016 | 41 -1.2 | 0.573 -0.08 | 210 +24.3 | 5 = | 97.1 +1.3 | close | + | |
| Fane SOVEREIGN 15-400 LF | 41 -1.2 | 0.573 -0.08 | 210 +24.3 | 5 = | 97.1 +1.3 | close | + | |
| Zeuz 15400X | 38.1 -4.1 | 0.662 +0.01 | 149.6 -36.1 | 5.1 +0.1 | 94.2 -1.6 | close | 150 W vs 200 W: lower power handling | + |
| Eminence OB A15 NEO | 40.4 -1.8 | 0.723 +0.07 | 234 +48.3 | 6 +1 | 95.7 -0.1 | close | + | |
| Fane SOVEREIGN 15-250 | 43 +0.8 | 0.728 +0.07 | 144 -41.7 | 4.4 -0.6 | 94.6 -1.2 | usable | Xmax 4.4 mm < 5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 38GPT12 →
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.