Altec 515E
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 16 Ω |
| Fs | 22.9 Hz |
| Qts | 0.185 |
| Qes | 0.19 |
| Qms | 7.5 |
| Vas | 665.5 L |
| Sd | 824.4 cm² |
| Xmax | 4.6 mm |
| Re | 12 Ω |
| Bl | 25.1 T·m |
| Mms | 69.1 g |
| Pe | 75 W |
| Sensitivity | 96.5 dB |
Alignment hint
| EBP | 121 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 48.9 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 |
|---|---|---|---|---|---|---|---|---|
| Supravox 400 GMF MK2 | 22 -0.9 | 0.206 +0.02 | 633 -32.5 | 7 +2.4 | 97.9 +1.4 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Audax PR38SM250 | 19.5 -3.4 | 0.177 -0.01 | 660 -5.5 | 4 -0.6 | 97.7 +1.2 | close | 8 Ω vs 16 Ω: amp load changes · Xmax 4 mm < 4.6 mm: lower excursion-limited SPL | + |
| Fluxmag 1504-BM | 22.7 -0.2 | 0.183 = | 469.9 -195.6 | 5 +0.4 | 98 +1.5 | close | 8 Ω vs 16 Ω: amp load changes | + |
| JBL 1501AL-1 | 19 -3.9 | 0.191 +0.01 | 630 -35.5 | 6.4 +1.8 | 94.6 -1.9 | close | + | |
| Altec 416-8C v2009 | 22.9 = | 0.213 +0.03 | 693.8 +28.3 | 3.8 -0.8 | 98.6 +2.1 | close | 8 Ω vs 16 Ω: amp load changes · Xmax 3.8 mm < 4.6 mm: lower excursion-limited SPL | + |
| Great Plains Audio 416-8C GPA | 22.9 = | 0.213 +0.03 | 693.8 +28.3 | 3.8 -0.8 | 98.6 +2.1 | close | 8 Ω vs 16 Ω: amp load changes · Xmax 3.8 mm < 4.6 mm: lower excursion-limited SPL | + |
| Tannoy DU 386 | 22 -0.9 | 0.185 = | 483 -182.5 | 4 -0.6 | 97.6 +1.1 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 4 mm < 4.6 mm: lower excursion-limited SPL | + |
| Tannoy HPD 385A | 22 -0.9 | 0.185 = | 483 -182.5 | 4 -0.6 | 97.6 +1.1 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 4 mm < 4.6 mm: lower excursion-limited SPL | + |
| Tannoy K3828 | 22 -0.9 | 0.185 = | 483 -182.5 | 4 -0.6 | 97.6 +1.1 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 4 mm < 4.6 mm: lower excursion-limited SPL | + |
| Altec 515B | 24.7 +1.8 | 0.166 -0.02 | 557.8 -107.7 | 4.2 -0.4 | 97.2 +0.7 | usable | Xmax 4.2 mm < 4.6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 515E →
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.