ATC PA75-314 BLCR
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 45 Hz |
| Qts | 0.212 |
| Qes | 0.257 |
| Qms | 1.2 |
| Vas | 77 L |
| Sd | 550 cm² |
| Xmax | 1.8 mm |
| Re | 5.4 Ω |
| Bl | 20.2 T·m |
| Mms | 68.9 g |
| Pe | 75 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 175 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 7.6 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 |
|---|---|---|---|---|---|---|---|---|
| BMS 12S320 | 45.4 +0.4 | 0.2 -0.01 | 69.5 -7.5 | 4.5 +2.7 | 98 = | close | + | |
| PHL Audio 4040 | 45 = | 0.208 = | 85 +8 | 4.9 +3.1 | 99.1 +1.1 | close | + | |
| B&C 12 PS 76 | 42 -3 | 0.208 = | 75 -2 | 5.1 +3.3 | 97.2 -0.8 | close | + | |
| BMS 12N610 | 44.7 -0.3 | 0.227 +0.02 | 67.6 -9.4 | 3.5 +1.7 | 97.5 -0.5 | close | + | |
| Eminence ME123008 | 45.8 +0.8 | 0.212 = | 99.9 +22.9 | 1.8 = | 100 +2 | close | + | |
| Altec 3127 | 50 +5 | 0.219 +0.01 | 70.8 -6.2 | 3.4 +1.6 | 98.3 +0.3 | close | + | |
| Great Plains Audio 3127 GPA | 50 +5 | 0.219 +0.01 | 70.8 -6.2 | 3.4 +1.6 | 98.3 +0.3 | close | + | |
| Faital PRO 12FH500 | 45 = | 0.22 +0.01 | 80.3 +3.3 | 7.25 +5.45 | 97 -1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Elokance 12WF540SUB | 41 -4 | 0.187 -0.02 | 79.7 +2.7 | 2.9 +1.1 | 98 = | close | + | |
| PHL Audio 4070 | 47 +2 | 0.207 -0.01 | 68 -9 | 4.6 +2.8 | 98.7 +0.7 | close | + |
Compare the closest 3 against the PA75-314 BLCR →
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.