ATC PA75-314 BASS
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 59 Hz |
| Qts | 0.292 |
| Qes | 0.362 |
| Qms | 1.5 |
| Vas | 50 L |
| Sd | 550 cm² |
| Xmax | 1.5 mm |
| Re | 5.4 Ω |
| Bl | 18.5 T·m |
| Mms | 61.7 g |
| Pe | 75 W |
| Sensitivity | 98.2 dB |
Alignment hint
| EBP | 163 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 10.3 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 |
|---|---|---|---|---|---|---|---|---|
| PD PD 123ER v2024 | 55.9 -3.1 | 0.293 = | 54.5 +4.5 | 2.5 +1 | 97.7 -0.5 | close | + | |
| Precision Devices PD 123ER v2024 | 55.9 -3.1 | 0.293 = | 54.5 +4.5 | 2.5 +1 | 97.7 -0.5 | close | + | |
| Celestion NTR12-3018D | 56.4 -2.6 | 0.295 = | 51.8 +1.8 | 3.9 +2.4 | 97.9 -0.3 | close | + | |
| ATC PA75-314 STD | 57 -2 | 0.338 +0.05 | 51 +1 | 1.8 +0.3 | 97.5 -0.7 | close | + | |
| Celestion BN12-300S(8) | 62.1 +3.1 | 0.319 +0.03 | 50 = | 2.5 +1 | 97 -1.2 | close | + | |
| RCF L12L750 | 62 +3 | 0.27 -0.02 | 52 +2 | 3.5 +2 | 98.2 = | close | + | |
| Celestion TN1225 | 60.5 +1.5 | 0.33 +0.04 | 53.9 +3.9 | 2.5 +1 | 99 +0.8 | close | + | |
| RCF LF 12G300 | 54 -5 | 0.285 -0.01 | 55 +5 | 4.6 +3.1 | 98.1 -0.1 | close | + | |
| Eminence PS12-200 | 56 -3 | 0.285 -0.01 | 61.7 +11.7 | 3 +1.5 | 98.5 +0.3 | close | + | |
| Eminence PE 12 2008 | 56 -3 | 0.285 -0.01 | 61.9 +11.9 | 3 +1.5 | 98.5 +0.3 | close | + |
Compare the closest 3 against the PA75-314 BASS →
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.