Altec 420-8B vp rouge
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 34.9 Hz |
| Qts | 0.53 |
| Qes | 0.65 |
| Qms | 2.88 |
| Vas | 277.6 L |
| Sd | 876.2 cm² |
| Xmax | 2.3 mm |
| Re | 4.5 Ω |
| Bl | 11.1 T·m |
| Mms | 80.8 g |
| Pe | 25 W |
| Sensitivity | 97.1 dB |
Alignment hint
| EBP | 54 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 355.9 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 |
|---|---|---|---|---|---|---|---|---|
| Celestion BN15-400X v2018 | 35.1 +0.2 | 0.527 = | 253 -24.6 | 4 +1.7 | 96.5 -0.6 | close | + | |
| Hyper Phase CM15T | 35 +0.1 | 0.508 -0.02 | 308 +30.4 | 3.5 +1.2 | 97 -0.1 | close | + | |
| Kenford PA380 vp | 34 -0.9 | 0.522 -0.01 | 260 -17.6 | 3.5 +1.2 | 95.6 -1.5 | close | + | |
| Eminence DELTA-15A | 40 +5.1 | 0.53 = | 270.7 -6.9 | 2.7 +0.4 | 100 +2.9 | close | + | |
| Monacor SP-385G | 35 +0.1 | 0.473 -0.06 | 260 -17.6 | 4 +1.7 | 96.2 -0.9 | close | + | |
| Altec 420-8B vp bleu | 30.2 -4.7 | 0.522 -0.01 | 303.6 +26 | 2.6 +0.3 | 95.7 -1.4 | close | + | |
| P.Audio HP-15W | 34 -0.9 | 0.492 -0.04 | 254.3 -23.3 | 3.5 +1.2 | 95.4 -1.7 | close | + | |
| Supravox 380-2000 LC | 38.7 +3.8 | 0.568 +0.04 | 272.2 -5.4 | 5 +2.7 | 97.3 +0.2 | close | + | |
| Ardan PRO W-38 vp2 | 39.5 +4.6 | 0.51 -0.02 | 254.7 -22.9 | 4.5 +2.2 | 97 -0.1 | close | + | |
| Beyma 15T100/N vp | 35 +0.1 | 0.455 -0.08 | 275 -2.6 | 6 +3.7 | 96.8 -0.3 | close | + |
Compare the closest 3 against the 420-8B vp rouge →
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.