Altec 416-8B v2
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 25.1 Hz |
| Qts | 0.315 |
| Qes | 0.33 |
| Qms | 7.05 |
| Vas | 315 L |
| Sd | 825.8 cm² |
| Xmax | 3.8 mm |
| Re | 6.9 Ω |
| Bl | 20.1 T·m |
| Mms | 122 g |
| Pe | 150 W |
| Sensitivity | 94.4 dB |
Alignment hint
| EBP | 76 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 78 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 |
|---|---|---|---|---|---|---|---|---|
| Fostex W 400 A | 25 -0.1 | 0.313 = | 312.3 -2.7 | 4 +0.2 | 94.5 +0.1 | close | 67 W vs 150 W: lower power handling | + |
| Fostex W 400 AII | 25 -0.1 | 0.313 = | 312.3 -2.7 | 4 +0.2 | 94.5 +0.1 | close | 67 W vs 150 W: lower power handling | + |
| Fostex W 400 A-HR | 25 -0.1 | 0.308 -0.01 | 310 -5 | 4.3 +0.5 | 95 +0.6 | close | 67 W vs 150 W: lower power handling | + |
| TVM ARA 390-00/8 v1 | 25 -0.1 | 0.275 -0.04 | 313 -2 | 5.5 +1.7 | 94.6 +0.2 | close | + | |
| Focal 15WX | 24.4 -0.7 | 0.353 +0.04 | 318.9 +3.9 | 6 +2.2 | 93.5 -0.9 | close | + | |
| Focal AUDIOM 15WX | 24.4 -0.7 | 0.353 +0.04 | 318.9 +3.9 | 6 +2.2 | 93.5 -0.9 | close | + | |
| Monacor SPH-390TC vp | 24 -1.1 | 0.325 +0.01 | 297 -18 | 6.2 +2.4 | 96.2 +1.8 | close | 4 Ω vs 8 Ω: amp load changes | + |
| TAD TL-1601 C | 28 +2.9 | 0.309 -0.01 | 304 -11 | 5.6 +1.8 | 96 +1.6 | close | + | |
| TAD TL-1601 A | 28 +2.9 | 0.306 -0.01 | 304 -11 | 5.5 +1.7 | 96 +1.6 | close | + | |
| Altec 3154 | 25 -0.1 | 0.322 +0.01 | 393.6 +78.6 | 6.4 +2.6 | 95 +0.6 | close | + |
Compare the closest 3 against the 416-8B v2 →
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.