Precision Devices PD912
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 41.29 Hz |
| Qts | 0.25 |
| Qes | 0.27 |
| Qms | 3.95 |
| Vas | 97.87 L |
| Sd | 530.93 cm² |
| Xmax | 5 mm |
| Re | 6.96 Ω |
| Bl | 20.01 T·m |
| Mms | 60.11 g |
| Pe | 300 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 153 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 14 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 912 | 41.3 +0.01 | 0.253 = | 97.9 +0.03 | 5 = | 96.7 -0.3 | close | + | |
| Precision Devices PD 912 | 41.3 +0.01 | 0.253 = | 97.9 +0.03 | 5 = | 96.7 -0.3 | close | + | |
| Beyma 12"WR400 | 42 +0.71 | 0.27 +0.02 | 91 -6.87 | 6.3 +1.3 | 97 = | close | + | |
| Beyma 12CXA400Nd v2018 | 45 +3.71 | 0.251 = | 88.5 -9.37 | 5.5 +0.5 | 97.7 +0.7 | close | + | |
| Faital PRO 12FH500 | 45 +3.71 | 0.25 = | 87.3 -10.57 | 7.5 +2.5 | 97 = | close | + | |
| SB Audience 12MW300 | 43 +1.71 | 0.264 +0.01 | 104 +6.13 | 5.6 +0.6 | 98.7 +1.7 | close | + | |
| RCF LF12G301 | 43 +1.71 | 0.22 -0.03 | 97 -0.87 | 7 +2 | 97 = | close | + | |
| RCF LF12G801 | 43 +1.71 | 0.22 -0.03 | 97 -0.87 | 7 +2 | 97 = | close | + | |
| RCF LF12P901 | 43 +1.71 | 0.22 -0.03 | 97 -0.87 | 7 +2 | 97 = | close | + | |
| RCF LF12Y308 | 43 +1.71 | 0.22 -0.03 | 97 -0.87 | 7 +2 | 97 = | close | + |
Compare the closest 3 against the PD912 →
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.