Supravox 400 GMF
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 26 Hz |
| Qts | 0.319 |
| Qes | 0.33 |
| Qms | 10 |
| Vas | 489 L |
| Sd | 855 cm² |
| Xmax | 5 mm |
| Re | 6.5 Ω |
| Bl | 15.9 T·m |
| Mms | 78.5 g |
| Pe | 120 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 79 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 125 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 |
|---|---|---|---|---|---|---|---|---|
| Supravox 400-2000EXC_11V | 25 -1 | 0.308 -0.01 | 433 -56 | 5 = | 96.2 -0.8 | close | + | |
| Davis 40RCA15 vp2 | 26.6 +0.6 | 0.309 -0.01 | 410 -79 | 5 = | 98.6 +1.6 | close | + | |
| Great Plains Audio 515-8C GPA | 27.8 +1.8 | 0.299 -0.02 | 422.5 -66.5 | 4.7 -0.3 | 97.6 +0.6 | close | 75 W vs 120 W: lower power handling · Xmax 4.7 mm < 5 mm: lower excursion-limited SPL | + |
| Audio Dynamique AD380PM100 | 25.5 -0.5 | 0.26 -0.06 | 530 +41 | 5 = | 97 = | close | + | |
| Davis 39GPA15 | 26.2 +0.2 | 0.338 +0.02 | 384 -105 | 7.5 +2.5 | 97 = | close | + | |
| Crites Speakers CW1526 V2017 | 26.3 +0.3 | 0.346 +0.03 | 437.2 -51.8 | 7.2 +2.2 | 99.1 +2.1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Altec 3154 | 25 -1 | 0.322 = | 393.6 -95.4 | 6.4 +1.4 | 95 -2 | close | + | |
| Great Plains Audio 3154 GPA | 25 -1 | 0.322 = | 393.6 -95.4 | 6.4 +1.4 | 95 -2 | close | + | |
| AE Speakers TD15X 8 Ohms | 23.2 -2.8 | 0.287 -0.03 | 467 -22 | 7 +2 | 96.3 -0.7 | close | + | |
| Beyma HP15 | 28 +2 | 0.392 +0.07 | 500 +11 | 5 = | 96.5 -0.5 | close | + |
Compare the closest 3 against the 400 GMF →
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.