ATC PA75-314 STD
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 57 Hz |
| Qts | 0.338 |
| Qes | 0.393 |
| Qms | 2.4 |
| Vas | 51 L |
| Sd | 550 cm² |
| Xmax | 1.8 mm |
| Re | 5.4 Ω |
| Bl | 17.9 T·m |
| Mms | 64.8 g |
| Pe | 75 W |
| Sensitivity | 97.5 dB |
Alignment hint
| EBP | 145 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 15.1 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 |
|---|---|---|---|---|---|---|---|---|
| Fostex L 363 | 55 -2 | 0.33 -0.01 | 56.6 +5.6 | 2.3 +0.5 | 97 -0.5 | close | + | |
| Celestion BN12-300S(8) | 62.1 +5.1 | 0.319 -0.02 | 50 -1 | 2.5 +0.7 | 97 -0.5 | close | + | |
| Turbosound TS-12W350/8W | 55 -2 | 0.347 +0.01 | 49 -2 | 4 +2.2 | 96.9 -0.6 | close | + | |
| Fostex L 363 B | 55 -2 | 0.33 -0.01 | 57 +6 | 2.9 +1.1 | 97 -0.5 | close | + | |
| Celestion TN1225 | 60.5 +3.5 | 0.33 -0.01 | 53.9 +2.9 | 2.5 +0.7 | 99 +1.5 | close | + | |
| P.Audio P-12N | 57 = | 0.319 -0.02 | 42.4 -8.6 | 2.5 +0.7 | 97.7 +0.2 | close | + | |
| 18 Sound PWX12 | 61.3 +4.3 | 0.341 = | 56.2 +5.2 | 2.9 +1.1 | 98.6 +1.1 | close | + | |
| PD PD 123ER v2024 | 55.9 -1.1 | 0.293 -0.05 | 54.5 +3.5 | 2.5 +0.7 | 97.7 +0.2 | close | + | |
| Precision Devices PD 123ER v2024 | 55.9 -1.1 | 0.293 -0.05 | 54.5 +3.5 | 2.5 +0.7 | 97.7 +0.2 | close | + | |
| SB Audience NERO-12MWN700D vp JustDiyIt | 54.4 -2.6 | 0.347 +0.01 | 53.6 +2.6 | 6.2 +4.4 | 97.5 = | close | + |
Compare the closest 3 against the PA75-314 STD →
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.