Celestion PULSE XL 12.20
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 35.1 Hz |
| Qts | 0.503 |
| Qes | 0.548 |
| Qms | 6.087 |
| Vas | 153.3 L |
| Sd | 530.9 cm² |
| Xmax | 8.3 mm |
| Re | 5.8 Ω |
| Bl | 11.1 T·m |
| Mms | 53 g |
| Pe | 250 W |
| Sensitivity | 94.2 dB |
Alignment hint
| EBP | 64 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 157 L |
EBP 50-100: works in either a sealed or ported 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 |
|---|---|---|---|---|---|---|---|---|
| Faital PRO 12FE330 | 33 -2.1 | 0.45 -0.05 | 146.7 -6.6 | 8.32 +0.02 | 94 -0.2 | close | + | |
| Beyma 12"BR70 | 31 -4.1 | 0.5 = | 142 -11.3 | 8 -0.3 | 93 -1.2 | close | 125 W vs 250 W: lower power handling · Xmax 8 mm < 8.3 mm: lower excursion-limited SPL | + |
| Eminence LEGEND BP122 8 Ohms | 35 -0.1 | 0.537 +0.03 | 157.4 +4.1 | 6.2 -2.1 | 94.2 = | close | Xmax 6.2 mm < 8.3 mm: lower excursion-limited SPL | + |
| Infinity 120W.IB | 32 -3.1 | 0.527 +0.02 | 127 -26.3 | 8.1 -0.2 | 94.9 +0.7 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 8.1 mm < 8.3 mm: lower excursion-limited SPL | + |
| Davis 31TCA12 vp rc1 d | 35 -0.1 | 0.53 +0.03 | 169.8 +16.5 | 6 -2.3 | 93.2 -1 | close | Xmax 6 mm < 8.3 mm: lower excursion-limited SPL | + |
| Infinity KAPPA CS 120 LB | 29 -6.1 | 0.485 -0.02 | 161.4 +8.1 | 6.7 -1.6 | 94.3 +0.1 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 6.7 mm < 8.3 mm: lower excursion-limited SPL | + |
| Beyma 12BR70 v2014 | 31 -4.1 | 0.497 -0.01 | 142 -11.3 | 6 -2.3 | 92.3 -1.9 | usable | 125 W vs 250 W: lower power handling · Xmax 6 mm < 8.3 mm: lower excursion-limited SPL | + |
| Beyma 12BR70 v2015 | 31 -4.1 | 0.497 -0.01 | 142 -11.3 | 6 -2.3 | 92.3 -1.9 | usable | 125 W vs 250 W: lower power handling · Xmax 6 mm < 8.3 mm: lower excursion-limited SPL | + |
| Philips AD12100/M8 | 36 +0.9 | 0.464 -0.04 | 193.3 +40 | 6.2 -2.1 | 94.6 +0.4 | usable | 100 W vs 250 W: lower power handling · Xmax 6.2 mm < 8.3 mm: lower excursion-limited SPL | + |
| Visaton W300-8 | 32 -3.1 | 0.449 -0.05 | 190 +36.7 | 7 -1.3 | 93.4 -0.8 | usable | 150 W vs 250 W: lower power handling · Xmax 7 mm < 8.3 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the PULSE XL 12.20 →
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.