Altec 619-8A
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 24.6 Hz |
| Qts | 0.241 |
| Qes | 0.25 |
| Qms | 6.45 |
| Vas | 621.3 L |
| Sd | 825.8 cm² |
| Xmax | 1.3 mm |
| Re | 6.4 Ω |
| Bl | 16 T·m |
| Mms | 64.4 g |
| Pe | 75 W |
| Sensitivity | 98.6 dB |
Alignment hint
| EBP | 98 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 81.7 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 |
|---|---|---|---|---|---|---|---|---|
| Altec 421-16LF | 27 +2.4 | 0.246 +0.01 | 600.3 -21 | 1.3 = | 96.8 -1.8 | close | 16 Ω vs 8 Ω: amp load changes | + |
| Altec 416-8B | 24 -0.6 | 0.231 -0.01 | 648.5 +27.2 | 3.3 +2 | 98.6 = | close | + | |
| Altec 604-8G | 25.8 +1.2 | 0.252 +0.01 | 624.4 +3.1 | 3.8 +2.5 | 98.7 +0.1 | close | + | |
| Altec 416-8B vp_BC | 24 -0.6 | 0.231 -0.01 | 648.5 +27.2 | 3.8 +2.5 | 98.6 = | close | + | |
| Altec 416-8C | 23.9 -0.7 | 0.249 +0.01 | 643.9 +22.6 | 3.8 +2.5 | 98.2 -0.4 | close | + | |
| Altec 421-8LF | 27.5 +2.9 | 0.254 +0.01 | 576 -45.3 | 1.3 = | 99.9 +1.3 | close | + | |
| Supravox 400-2000 Argent vp | 24.3 -0.3 | 0.268 +0.03 | 605.5 -15.8 | 5 +3.7 | 98.3 -0.3 | close | + | |
| Supravox 400 EXC Ag 13V | 25.3 +0.7 | 0.253 +0.01 | 555.6 -65.7 | 5 +3.7 | 98.7 +0.1 | close | + | |
| Altec 416-8B v1 | 23.6 -1 | 0.22 -0.02 | 577 -44.3 | 3.8 +2.5 | 98 -0.6 | close | + | |
| Audio Nirvana CLASSIC 15 FERRITE | 24.7 +0.1 | 0.271 +0.03 | 551.3 -70 | 1.1 -0.2 | 97.3 -1.3 | close | Xmax 1.1 mm < 1.3 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 619-8A →
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.