ATC PA75-314 BLC
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 59 Hz |
| Qts | 0.234 |
| Qes | 0.285 |
| Qms | 1.3 |
| Vas | 49 L |
| Sd | 550 cm² |
| Xmax | 1.3 mm |
| Re | 5.4 Ω |
| Bl | 21 T·m |
| Mms | 63 g |
| Pe | 75 W |
| Sensitivity | 99.2 dB |
Alignment hint
| EBP | 207 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 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 |
|---|---|---|---|---|---|---|---|---|
| PD PD 123ER | 60.5 +1.5 | 0.25 +0.02 | 51 +2 | 2.5 +1.2 | 99.9 +0.7 | close | + | |
| Precision Devices PD 123ER | 60.5 +1.5 | 0.25 +0.02 | 51 +2 | 2.5 +1.2 | 99.9 +0.7 | close | + | |
| ATC PA75-314 BASS | 59 = | 0.292 +0.06 | 50 +1 | 1.5 +0.2 | 98.2 -1 | close | + | |
| RCF CX 12N351 V2017 | 58 -1 | 0.202 -0.03 | 47 -2 | 3.6 +2.3 | 99.8 +0.6 | close | + | |
| PD PD 121 | 59 = | 0.201 -0.03 | 54 +5 | 2.7 +1.4 | 100.7 +1.5 | usable | + | |
| Precision Devices PD 121 | 59 = | 0.201 -0.03 | 54 +5 | 2.7 +1.4 | 100.7 +1.5 | usable | + | |
| PD PDN 12MH25 | 58.2 -0.8 | 0.211 -0.02 | 58.7 +9.7 | 2.6 +1.3 | 100.6 +1.4 | usable | + | |
| Precision Devices PDN 12MH25 | 58.2 -0.8 | 0.211 -0.02 | 58.7 +9.7 | 2.6 +1.3 | 100.6 +1.4 | usable | + | |
| Peavey 1201-8 v1993 | 59.7 +0.7 | 0.269 +0.04 | 59 +10 | 2.6 +1.3 | 99.7 +0.5 | usable | + | |
| Monacor SP-30A/300NEO | 52 -7 | 0.239 = | 60 +11 | 3.5 +2.2 | 99.2 = | usable | + |
Compare the closest 3 against the PA75-314 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.