Altec 420A vp Daniel 2
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 27.6 Hz |
| Qts | 0.919 |
| Qes | 1.156 |
| Qms | 4.49 |
| Vas | 413.4 L |
| Sd | 855.3 cm² |
| Xmax | 2.8 mm |
| Re | 4.69 Ω |
| Bl | 7.6 T·m |
| Mms | 82.5 g |
| Pe | 25 W |
| Sensitivity | 93.1 dB |
Alignment hint
| EBP | 24 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| Jamo 20388 - 15 | 27 -0.6 | 0.848 -0.07 | 495 +81.6 | 6 +3.2 | 93.3 +0.2 | close | + | |
| Jamo 20388 | 27 -0.6 | 0.848 -0.07 | 495.6 +82.2 | 6 +3.2 | 93.3 +0.2 | close | + | |
| Europsonic TS38/300D | 28 +0.4 | 0.994 +0.07 | 382.6 -30.8 | 6 +3.2 | 90.3 -2.8 | close | + | |
| Altec 420A vp Daniel 3 | 26.9 -0.7 | 0.694 -0.23 | 393.7 -19.7 | 2.8 = | 93.9 +0.8 | usable | + | |
| Supravox 400-2000EXC_05V | 25 -2.6 | 1.011 +0.09 | 434 +20.6 | 5 +2.2 | 90.9 -2.2 | usable | + | |
| Europsonic TS30/250D | 34 +6.4 | 1.067 +0.15 | 402.5 -10.9 | 5.4 +2.6 | 92.7 -0.4 | usable | + | |
| Jinwey YDA-380-8 | 33.8 +6.2 | 0.922 = | 278.8 -134.6 | 3 +0.2 | 92.3 -0.8 | usable | + | |
| Europsonic HPC38/100 | 24.9 -2.7 | 0.66 -0.26 | 425.4 +12 | 4.3 +1.5 | 92 -1.1 | usable | + | |
| Mercuriale HTR 386 M0 | 32 +4.4 | 1.255 +0.34 | 428.8 +15.4 | 3.6 +0.8 | 91.6 -1.5 | usable | + | |
| Carpower SP-382C | 30 +2.4 | 1.279 +0.36 | 320 -93.4 | 3.5 +0.7 | 92.1 -1 | usable | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 420A vp Daniel 2 →
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.