ATC PA75-375 BLC
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 53 Hz |
| Qts | 0.332 |
| Qes | 0.407 |
| Qms | 1.8 |
| Vas | 87 L |
| Sd | 820 cm² |
| Xmax | 1.5 mm |
| Re | 5.4 Ω |
| Bl | 20.8 T·m |
| Mms | 97.7 g |
| Pe | 75 W |
| Sensitivity | 98.7 dB |
Alignment hint
| EBP | 130 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 24.6 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 |
|---|---|---|---|---|---|---|---|---|
| PRV Audio 15W1600 | 50.5 -2.5 | 0.358 +0.03 | 87.9 +0.9 | 5.6 +4.1 | 98.5 -0.2 | close | + | |
| Audax PR380T4 | 49 -4 | 0.322 -0.01 | 107 +20 | 3.8 +2.3 | 99.1 +0.4 | usable | + | |
| ATC PA75-375 STD | 60 +7 | 0.398 +0.07 | 82 -5 | 1.6 +0.1 | 99.6 +0.9 | usable | + | |
| P.Audio E15-300S | 55.4 +2.4 | 0.308 -0.02 | 66.4 -20.6 | 2.8 +1.3 | 98.6 -0.1 | usable | + | |
| Ciare NDH 15-4 | 48.6 -4.4 | 0.312 -0.02 | 96.9 +9.9 | 5.9 +4.4 | 98.6 -0.1 | usable | + | |
| BMS 15CN890 | 50 -3 | 0.345 +0.01 | 77 -10 | 6 +4.5 | 97.5 -1.2 | usable | + | |
| Audax PR380T10 | 49 -4 | 0.314 -0.02 | 107 +20 | 3.7 +2.2 | 99.2 +0.5 | usable | + | |
| Monacor SP-38A/300PA | 48 -5 | 0.298 -0.03 | 101 +14 | 3.4 +1.9 | 99.3 +0.6 | usable | + | |
| Fane AXIOM AX15/300B | 49 -4 | 0.352 +0.02 | 110 +23 | 4 +2.5 | 98.3 -0.4 | usable | + | |
| Beyma 15P1000Nd | 45 -8 | 0.347 +0.01 | 88 +1 | 6.7 +5.2 | 97.4 -1.3 | usable | + |
Compare the closest 3 against the PA75-375 BLC →
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.