Altec 416-8B v1
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 23.6 Hz |
| Qts | 0.22 |
| Qes | 0.23 |
| Qms | 5.02 |
| Vas | 577 L |
| Sd | 825.8 cm² |
| Xmax | 3.8 mm |
| Re | 6.5 Ω |
| Bl | 17.8 T·m |
| Mms | 75.7 g |
| Pe | 150 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 103 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 61.8 L |
EBP > 100: favours a ported (bass-reflex) 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 |
|---|---|---|---|---|---|---|---|---|
| Altec 416-8B vp_BC | 24 +0.4 | 0.231 +0.01 | 648.5 +71.5 | 3.8 = | 98.6 +0.6 | close | + | |
| Fluxmag 1505 | 25.2 +1.6 | 0.214 -0.01 | 571 -6 | 5 +1.2 | 99.6 +1.6 | close | + | |
| Altec 416-8C v2009 | 22.9 -0.7 | 0.213 -0.01 | 693.8 +116.8 | 3.8 = | 98.6 +0.6 | close | + | |
| Great Plains Audio 416-8C GPA | 22.9 -0.7 | 0.213 -0.01 | 693.8 +116.8 | 3.8 = | 98.6 +0.6 | close | + | |
| Supravox 400 EXC Ag 14V | 25.4 +1.8 | 0.23 +0.01 | 554.5 -22.5 | 5 +1.2 | 99.1 +1.1 | close | + | |
| Altec 416-8C | 23.9 +0.3 | 0.249 +0.03 | 643.9 +66.9 | 3.8 = | 98.2 +0.2 | close | + | |
| Altec 416-8B | 24 +0.4 | 0.231 +0.01 | 648.5 +71.5 | 3.3 -0.5 | 98.6 +0.6 | close | 75 W vs 150 W: lower power handling · Xmax 3.3 mm < 3.8 mm: lower excursion-limited SPL | + |
| Usher Audio 1503HM | 21 -2.6 | 0.222 = | 528.8 -48.2 | 5.5 +1.7 | 97.2 -0.8 | close | + | |
| Supravox 400 GMF MK2 | 22 -1.6 | 0.206 -0.01 | 633 +56 | 7 +3.2 | 97.9 -0.1 | close | + | |
| JBL 2234H | 23 -0.6 | 0.222 = | 458.7 -118.3 | 5.1 +1.3 | 96.7 -1.3 | close | + |
Compare the closest 3 against the 416-8B v1 →
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.