Pioneer VINTAGE VERSION
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 25.7 Hz |
| Qts | 0.556 |
| Qes | 0.59 |
| Qms | 9.542 |
| Vas | 134.2 L |
| Sd | 504 cm² |
| Xmax | 7.2 mm |
| Re | 3 Ω |
| Bl | 9.1 T·m |
| Mms | 101.8 g |
| Pe | 100 W |
| Sensitivity | 92.1 dB |
Alignment hint
| EBP | 44 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 217.4 L |
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 |
|---|---|---|---|---|---|---|---|---|
| Focal 33V | 25.2 -0.5 | 0.479 -0.08 | 128.8 -5.4 | 7.5 +0.3 | 93 +0.9 | close | + | |
| MTX Audio T4124A | 29.3 +3.6 | 0.549 -0.01 | 118.8 -15.4 | 8.4 +1.2 | 92.9 +0.8 | close | + | |
| Rockford Fosgate P112S4 | 25 -0.7 | 0.52 -0.04 | 110 -24.2 | 7.3 +0.1 | 90.6 -1.5 | close | + | |
| Peerless XXLS-P830845 | 27 +1.3 | 0.517 -0.04 | 119.5 -14.7 | 7.6 +0.4 | 89.8 -2.3 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Focal 33H | 29.4 +3.7 | 0.618 +0.06 | 124.4 -9.8 | 7.5 +0.3 | 92.5 +0.4 | close | + | |
| Rockford Fosgate P1S412 | 25 -0.7 | 0.537 -0.02 | 109 -25.2 | 9 +1.8 | 90.4 -1.7 | close | + | |
| Peerless SLS12 830669 v2012 | 31 +5.3 | 0.536 -0.02 | 132.4 -1.8 | 6.1 -1.1 | 91.9 -0.2 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 6.1 mm < 7.2 mm: lower excursion-limited SPL | + |
| JBL GT3-12 | 28.2 +2.5 | 0.541 -0.02 | 100.5 -33.7 | 8.2 +1 | 91.8 -0.3 | close | + | |
| Monacor SPH-300KE vp2 | 27.6 +1.9 | 0.489 -0.07 | 139.3 +5.1 | 6.5 -0.7 | 90.4 -1.7 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 6.5 mm < 7.2 mm: lower excursion-limited SPL | + |
| Beyma 12"BR70 | 31 +5.3 | 0.5 -0.06 | 142 +7.8 | 8 +0.8 | 93 +0.9 | usable | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the VINTAGE VERSION →
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.