Altec 604-E
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 27.1 Hz |
| Qts | 0.213 |
| Qes | 0.22 |
| Qms | 7.1 |
| Vas | 446 L |
| Sd | 825.8 cm² |
| Xmax | 3.8 mm |
| Re | 7 Ω |
| Bl | 20 T·m |
| Mms | 73.9 g |
| Pe | 100 W |
| Sensitivity | 98.6 dB |
Alignment hint
| EBP | 123 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 44.5 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 604-2 | 27.1 = | 0.213 = | 446 = | 3.8 = | 98.6 = | close | + | |
| Great Plains Audio 604-D | 27.1 = | 0.213 = | 446 = | 3.8 = | 98.6 = | close | + | |
| Supravox 400-2000EXC_14V | 25 -2.1 | 0.214 = | 439 -7 | 5 +1.2 | 97.8 -0.8 | close | + | |
| Fostex L 470 | 25 -2.1 | 0.203 -0.01 | 457 +11 | 4.2 +0.4 | 98 -0.6 | close | + | |
| Altec 604-8K | 28.5 +1.4 | 0.204 -0.01 | 412.9 -33.1 | 3.8 = | 99.5 +0.9 | close | + | |
| Davis 40RCA15 vp3 | 26.2 -0.9 | 0.218 +0.01 | 380.7 -65.3 | 5 +1.2 | 98.6 = | close | + | |
| Supravox 400-2000EXC_15V | 25 -2.1 | 0.196 -0.02 | 429 -17 | 4.9 +1.1 | 98.1 -0.5 | close | + | |
| Supravox 400-2000EXC_13V | 25 -2.1 | 0.236 +0.02 | 438 -8 | 5 +1.2 | 97.4 -1.2 | close | + | |
| Browell 15.200 W/B | 23.5 -3.6 | 0.211 = | 418 -28 | 3.5 -0.3 | 97.3 -1.3 | close | Xmax 3.5 mm < 3.8 mm: lower excursion-limited SPL | + |
| Browell 38 DU 15 | 23.5 -3.6 | 0.211 = | 418 -28 | 3.5 -0.3 | 97.3 -1.3 | close | Xmax 3.5 mm < 3.8 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 604-E →
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.