ATC PA75-375
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 41 Hz |
| Qts | 0.35 |
| Qes | 0.44 |
| Qms | 1.7 |
| Vas | 155 L |
| Sd | 733.4 cm² |
| Xmax | 2.7 mm |
| Re | 6.2 Ω |
| Bl | 16.3 T·m |
| Mms | 73.3 g |
| Pe | 75 W |
| Sensitivity | 96.9 dB |
Alignment hint
| EBP | 93 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 50.3 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 |
|---|---|---|---|---|---|---|---|---|
| ATC PA75-375 BASS | 41 = | 0.351 = | 155 = | 2.4 -0.3 | 97.5 +0.6 | close | Xmax 2.4 mm < 2.7 mm: lower excursion-limited SPL | + |
| BMS 15N620 | 41 = | 0.35 = | 154 -1 | 5.5 +2.8 | 98 +1.1 | close | + | |
| BMS 15N620 v2015 | 41 = | 0.348 = | 154 -1 | 5.5 +2.8 | 98 +1.1 | close | + | |
| BMS 15CN680 | 39 -2 | 0.351 = | 157.8 +2.8 | 5.5 +2.8 | 97.4 +0.5 | close | + | |
| BMS 15CN682 | 39 -2 | 0.351 = | 157.8 +2.8 | 5.5 +2.8 | 97.4 +0.5 | close | + | |
| Beyma 15MC700 | 41 = | 0.352 = | 153 -2 | 7.4 +4.7 | 97.7 +0.8 | close | + | |
| Focal 15PR75-225 | 43.5 +2.5 | 0.351 = | 155 = | 4.3 +1.6 | 98.7 +1.8 | close | + | |
| P.Audio P150/2226 | 41 = | 0.366 +0.02 | 154.8 -0.2 | 5.5 +2.8 | 98.3 +1.4 | close | + | |
| Focal 15PR75-212 | 42 +1 | 0.36 +0.01 | 162 +7 | 4.4 +1.7 | 98.3 +1.4 | close | + | |
| 18 Sound 15ND830 | 42 +1 | 0.34 -0.01 | 157 +2 | 6.5 +3.8 | 98 +1.1 | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the PA75-375 →
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.