ATC PA50-314 8 BASS
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 69 Hz |
| Qts | 0.309 |
| Qes | 0.369 |
| Qms | 1.9 |
| Vas | 47 L |
| Sd | 550 cm² |
| Xmax | 1.2 mm |
| Re | 5.4 Ω |
| Bl | 17.5 T·m |
| Mms | 48 g |
| Pe | 50 W |
| Sensitivity | 99.9 dB |
Alignment hint
| EBP | 187 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 11.1 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 |
|---|---|---|---|---|---|---|---|---|
| ATC PA50-314 8 STD LS | 70 +1 | 0.349 +0.04 | 43 -4 | 1.2 = | 99.1 -0.8 | close | + | |
| JBL 2023H | 67 -2 | 0.347 +0.04 | 48.8 +1.8 | 3.7 +2.5 | 99.8 -0.1 | close | + | |
| ATC PA75-314 BASS | 59 -10 | 0.292 -0.02 | 50 +3 | 1.5 +0.3 | 98.2 -1.7 | close | + | |
| Fertin Acoustics B34D77 | 66.6 -2.4 | 0.324 +0.02 | 52.5 +5.5 | 2.5 +1.3 | 102 +2.1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| RCF L 12P520 | 65 -4 | 0.355 +0.05 | 49 +2 | 3.4 +2.2 | 99.6 -0.3 | usable | + | |
| Celestion BN12-300S(8) | 62.1 -6.9 | 0.319 +0.01 | 50 +3 | 2.5 +1.3 | 97 -2.9 | usable | + | |
| ATC PA75-314 STD LS | 71 +2 | 0.338 +0.03 | 35 -12 | 1.3 +0.1 | 98.7 -1.2 | usable | + | |
| Ciare CH321 | 64 -5 | 0.309 = | 62 +15 | 1.3 +0.1 | 103 +3.1 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Celestion FTR12-3070C | 66.1 -2.9 | 0.332 +0.02 | 39.6 -7.4 | 3 +1.8 | 98.5 -1.4 | usable | + | |
| Celestion TN1225 | 60.5 -8.5 | 0.33 +0.02 | 53.9 +6.9 | 2.5 +1.3 | 99 -0.9 | usable | + |
Compare the closest 3 against the PA50-314 8 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.