Magnat SUB 400 SUPREME
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 4 Ω |
| Fs | 21 Hz |
| Qts | 0.228 |
| Qes | 0.24 |
| Qms | 4.6 |
| Vas | 330 L |
| Sd | 840 cm² |
| Xmax | 9.5 mm |
| Re | 3.4 Ω |
| Bl | 17.9 T·m |
| Mms | 172.2 g |
| Pe | 400 W |
| Sensitivity | 96.7 dB |
Alignment hint
| EBP | 88 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 38.3 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 |
|---|---|---|---|---|---|---|---|---|
| Magnat OMEGA 380 | 21.3 +0.3 | 0.247 +0.02 | 375 +45 | 12 +2.5 | 96.9 +0.2 | close | + | |
| Dayton Audio APOLLO 15LF | 25.5 +4.5 | 0.26 +0.03 | 331 +1 | 9.3 -0.2 | 96 -0.7 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 9.3 mm < 9.5 mm: lower excursion-limited SPL | + |
| Dayton Audio 15LF ODEUM | 25.5 +4.5 | 0.26 +0.03 | 331.3 +1.3 | 9.3 -0.2 | 96 -0.7 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 9.3 mm < 9.5 mm: lower excursion-limited SPL | + |
| Infinity BETA15 | 24.4 +3.4 | 0.23 = | 289.9 -40.1 | 7.9 -1.6 | 98.1 +1.4 | usable | Xmax 7.9 mm < 9.5 mm: lower excursion-limited SPL | + |
| Focal 38VX | 22.3 +1.3 | 0.279 +0.05 | 347 +17 | 8.2 -1.3 | 96.9 +0.2 | usable | 225 W vs 400 W: lower power handling · Xmax 8.2 mm < 9.5 mm: lower excursion-limited SPL | + |
| AE Speakers TD15H+ 8 Ohms | 22 +1 | 0.211 -0.02 | 363.4 +33.4 | 7 -2.5 | 95.3 -1.4 | usable | 8 Ω vs 4 Ω: amp load changes · 250 W vs 400 W: lower power handling · Xmax 7 mm < 9.5 mm: lower excursion-limited SPL | + |
| Fluxmag 1504B | 22.5 +1.5 | 0.224 = | 433.8 +103.8 | 7.3 -2.2 | 97 +0.3 | usable | 8 Ω vs 4 Ω: amp load changes · 200 W vs 400 W: lower power handling · Xmax 7.3 mm < 9.5 mm: lower excursion-limited SPL | + |
| Scan-Speak 38WE/8582T00 | 26 +5 | 0.243 +0.01 | 423 +93 | 9.5 = | 97.5 +0.8 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Beyma SM-115/K | 27 +6 | 0.253 +0.02 | 345 +15 | 8 -1.5 | 97.5 +0.8 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 8 mm < 9.5 mm: lower excursion-limited SPL | + |
| Beyma SM115/K vp1 | 27.6 +6.6 | 0.222 -0.01 | 296.7 -33.3 | 8 -1.5 | 98.3 +1.6 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 8 mm < 9.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the SUB 400 SUPREME →
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.