Stromberg-Carlson 15 PO
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 16 Ω |
| Fs | 24.6 Hz |
| Qts | 0.563 |
| Qes | 0.693 |
| Qms | 2.995 |
| Vas | 461.6 L |
| Sd | 703.5 cm² |
| Xmax | 5 mm |
| Re | 8.2 Ω |
| Bl | 10.7 T·m |
| Mms | 63.1 g |
| Pe | 150 W |
| Sensitivity | 91.8 dB |
Alignment hint
| EBP | 35 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 799.4 L |
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 |
|---|---|---|---|---|---|---|---|---|
| Supravox 400-2000EXC_07V | 25 +0.4 | 0.599 +0.04 | 444 -17.6 | 5 = | 93.3 +1.5 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Europsonic HPC38/100 | 24.9 +0.3 | 0.66 +0.1 | 425.4 -36.2 | 4.3 -0.7 | 92 +0.2 | close | 8 Ω vs 16 Ω: amp load changes · 50 W vs 150 W: lower power handling · Xmax 4.3 mm < 5 mm: lower excursion-limited SPL | + |
| Supravox 400-2000EXC_09V | 25 +0.4 | 0.431 -0.13 | 440 -21.6 | 5 = | 94.8 +3 | usable | 8 Ω vs 16 Ω: amp load changes | + |
| MTX Audio T3154 | 22.7 -1.9 | 0.561 = | 315.9 -145.7 | 9.4 +4.4 | 93.8 +2 | usable | 4 Ω vs 16 Ω: amp load changes | + |
| Altec 420A vp Daniel 1 | 23.6 -1 | 0.555 -0.01 | 509.1 +47.5 | 2.8 -2.2 | 94 +2.2 | usable | 8 Ω vs 16 Ω: amp load changes · 25 W vs 150 W: lower power handling · Xmax 2.8 mm < 5 mm: lower excursion-limited SPL | + |
| AE Speakers IB15AU-8 | 20.4 -4.2 | 0.619 +0.06 | 387 -74.6 | 9 +4 | 90.4 -1.4 | usable | 8 Ω vs 16 Ω: amp load changes | + |
| AE Speakers IB15AU-4 | 20.4 -4.2 | 0.619 +0.06 | 387 -74.6 | 9 +4 | 93.5 +1.7 | usable | 4 Ω vs 16 Ω: amp load changes | + |
| Pyle Audio PPA15 vp | 26.7 +2.1 | 0.669 +0.11 | 322 -139.6 | 5.4 +0.4 | 90.4 -1.4 | usable | + | |
| Altec 416-8 Heathkit | 26.9 +2.3 | 0.466 -0.1 | 498 +36.4 | 3.8 -1.2 | 94.6 +2.8 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 3.8 mm < 5 mm: lower excursion-limited SPL | + |
| Fostex FW 405 N | 27 +2.4 | 0.446 -0.12 | 392.5 -69.1 | 7.6 +2.6 | 94.7 +2.9 | usable | 8 Ω vs 16 Ω: amp load changes | + |
Compare the closest 3 against the 15 PO →
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.