Altec 604-8H
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 28.1 Hz |
| Qts | 0.269 |
| Qes | 0.28 |
| Qms | 7.1 |
| Vas | 558.7 L |
| Sd | 825.8 cm² |
| Xmax | 3.8 mm |
| Re | 6.5 Ω |
| Bl | 15 T·m |
| Mms | 54.9 g |
| Pe | 100 W |
| Sensitivity | 99.3 dB |
Alignment hint
| EBP | 100 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 94.5 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 |
|---|---|---|---|---|---|---|---|---|
| Supravox 400 EXC Ag 13V | 25.3 -2.8 | 0.253 -0.02 | 555.6 -3.1 | 5 +1.2 | 98.7 -0.6 | close | + | |
| Supravox 400 GN-B | 28.5 +0.4 | 0.272 = | 450 -108.7 | 5 +1.2 | 98.6 -0.7 | close | + | |
| Altec 604-8G | 25.8 -2.3 | 0.252 -0.02 | 624.4 +65.7 | 3.8 = | 98.7 -0.6 | close | + | |
| Fluxmag 1504 | 25.5 -2.6 | 0.26 -0.01 | 530 -28.7 | 4 +0.2 | 97 -2.3 | close | + | |
| Supravox 400-2000 Argent vp | 24.3 -3.8 | 0.268 = | 605.5 +46.8 | 5 +1.2 | 98.3 -1 | close | + | |
| Altec 515-8LF | 27.4 -0.7 | 0.255 -0.01 | 470.1 -88.6 | 5.1 +1.3 | 98.4 -0.9 | close | + | |
| Great Plains Audio 515-8LF GPA | 27.4 -0.7 | 0.255 -0.01 | 470.1 -88.6 | 5.1 +1.3 | 98.4 -0.9 | close | + | |
| Audio Dynamique AD380PM100 | 25.5 -2.6 | 0.26 -0.01 | 530 -28.7 | 5 +1.2 | 97 -2.3 | close | + | |
| Iconic Speakers 704-8A | 30.9 +2.8 | 0.262 -0.01 | 463 -95.7 | 5.1 +1.3 | 99.7 +0.4 | close | + | |
| Supravox 400 EXC Ag 14V | 25.4 -2.7 | 0.23 -0.04 | 554.5 -4.2 | 5 +1.2 | 99.1 -0.2 | close | + |
Compare the closest 3 against the 604-8H →
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.