Hertz Audio HX 380
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 4 Ω |
| Fs | 30 Hz |
| Qts | 0.55 |
| Qes | 0.62 |
| Qms | 4.8 |
| Vas | 123.2 L |
| Sd | 793 cm² |
| Xmax | 14 mm |
| Re | 2.8 Ω |
| Bl | 13.17 T·m |
| Mms | 204 g |
| Pe | 700 W |
| Sensitivity | 89.1 dB |
Alignment hint
| EBP | 48 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 188.7 L |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| American Bass DX 15 | 30.4 +0.4 | 0.56 +0.01 | 89.6 -33.6 | 15 +1 | 90 +0.9 | close | 500 W vs 700 W: lower power handling | + |
| Audiobahn AW1571T | 28.2 -1.8 | 0.49 -0.06 | 133.088 +9.89 | 11 -3 | 89.2 +0.1 | close | 500 W vs 700 W: lower power handling · Xmax 11 mm < 14 mm: lower excursion-limited SPL | + |
| Audiobahn AW150T | 30.6 +0.6 | 0.54 -0.01 | 95 -28.2 | 10 -4 | 88.5 -0.6 | usable | Xmax 10 mm < 14 mm: lower excursion-limited SPL | + |
| Orion Audio HCCA 154 | 30 = | 0.535 -0.02 | 80 -43.2 | 12.7 -1.3 | 87.9 -1.2 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 12.7 mm < 14 mm: lower excursion-limited SPL | + |
| 18 Sound 15NTLS3500 | 28 -2 | 0.42 -0.13 | 141 +17.8 | 15.3 +1.3 | 89 -0.1 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Soundstream R1-15 | 23.7 -6.3 | 0.62 +0.07 | 136.6 +13.4 | 17.2 +3.2 | 87.2 -1.9 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| MTX Audio T6154A | 30 = | 0.55 = | 132.2 +9 | 7.9 -6.1 | 93.5 +4.4 | usable | 500 W vs 700 W: lower power handling · Xmax 7.9 mm < 14 mm: lower excursion-limited SPL | + |
| TC Sounds LMS R15 | 23.6 -6.4 | 0.446 -0.1 | 123 -0.2 | 12.1 -1.9 | 90.2 +1.1 | usable | Xmax 12.1 mm < 14 mm: lower excursion-limited SPL | + |
| Stereo Integrity RM-15 15 | 29 -1 | 0.498 -0.05 | 89.7 -33.5 | 9.7 -4.3 | 89.2 +0.1 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 9.7 mm < 14 mm: lower excursion-limited SPL | + |
| Rockford Fosgate T0D415 | 26.2 -3.8 | 0.521 -0.03 | 94.4 -28.8 | 9.7 -4.3 | 88 -1.1 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 9.7 mm < 14 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the HX 380 →
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.