Jensen P12R
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 80 Hz |
| Qts | 1.795 |
| Qes | 2.09 |
| Qms | 12.73 |
| Vas | 66.4 L |
| Sd | 490.8 cm² |
| Xmax | 0.8 mm |
| Re | 6 Ω |
| Bl | 5.4 T·m |
| Mms | 20.1 g |
| Pe | 25 W |
| Sensitivity | 95.3 dB |
Alignment hint
| EBP | 38 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| Jensen P12Q | 90.4 +10.4 | 1.944 +0.15 | 47.5 -18.9 | 0.8 = | 95.1 -0.2 | usable | + | |
| Jensen C12Q-8 | 87.3 +7.3 | 1.69 -0.1 | 44.1 -22.3 | 0.8 = | 94.8 -0.5 | usable | + | |
| Jensen JCH 1270-8 | 78 -2 | 1.084 -0.71 | 46.7 -19.7 | 1.5 +0.7 | 96.6 +1.3 | usable | + | |
| Monacor SP-300GI | 65 -15 | 0.969 -0.83 | 75 +8.6 | 3.2 +2.4 | 94.9 -0.4 | risky | + | |
| Jinwey YDA-300-4 | 49.4 -30.6 | 1.601 -0.19 | 93.2 +26.8 | 2.2 +1.4 | 90 -5.3 | risky | + | |
| Jinwey YDA-300-8 | 49.4 -30.6 | 1.601 -0.19 | 93.2 +26.8 | 2.2 +1.4 | 90 -5.3 | risky | + | |
| Celestion G12T 75 | 85 +5 | 0.836 -0.96 | 51 -15.4 | 2 +1.2 | 95.3 = | risky | 16 Ω vs 8 Ω: amp load changes | + |
| Beyma 12GA50 | 90 +10 | 1.16 -0.63 | 34 -32.4 | 2 +1.2 | 94.8 -0.5 | risky | + | |
| Visaton FR 30 | 90 +10 | 1.284 -0.51 | 27 -39.4 | 1.1 +0.3 | 93.7 -1.6 | risky | + | |
| Eminence RED FANG 16 | 89 +9 | 0.971 -0.82 | 50.2 -16.2 | 0.5 -0.3 | 95.6 +0.3 | risky | 16 Ω vs 8 Ω: amp load changes · Xmax 0.5 mm < 0.8 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the P12R →
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.