JBL GTO 1202D vp
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 2 Ω |
| Fs | 23.5 Hz |
| Qts | 0.441 |
| Qes | 0.47 |
| Qms | 7.14 |
| Vas | 97.8 L |
| Sd | 532 cm² |
| Xmax | 6.3 mm |
| Re | 1 Ω |
| Bl | 7.6 T·m |
| Mms | 186.1 g |
| Pe | 300 W |
| Sensitivity | 95.3 dB |
Alignment hint
| EBP | 50 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 62.3 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 |
|---|---|---|---|---|---|---|---|---|
| Infinity KAPPA PERFECT 12.1 vp | 23.3 -0.2 | 0.44 = | 100 +2.2 | 7.1 +0.8 | 89.4 -5.9 | close | 8 Ω vs 2 Ω: amp load changes | + |
| JBL CS1204 | 24.8 +1.3 | 0.429 -0.01 | 91.1 -6.7 | 6.3 = | 90.3 -5 | close | 4 Ω vs 2 Ω: amp load changes | + |
| Focal 33S | 25.9 +2.4 | 0.464 +0.02 | 107.9 +10.1 | 7.5 +1.2 | 92.8 -2.5 | close | 4 Ω vs 2 Ω: amp load changes | + |
| Infinity 1262W DVC | 25 +1.5 | 0.457 +0.02 | 80.1 -17.7 | 6.5 +0.2 | 92.5 -2.8 | close | + | |
| Rythmik Audio DS1200 | 26 +2.5 | 0.444 = | 88 -9.8 | 8.8 +2.5 | 91.7 -3.6 | close | 4 Ω vs 2 Ω: amp load changes | + |
| JBL GT 120 | 24.8 +1.3 | 0.429 -0.01 | 91.1 -6.7 | 8.1 +1.8 | 90.3 -5 | close | 4 Ω vs 2 Ω: amp load changes | + |
| JBL GT 120MKII | 24.8 +1.3 | 0.429 -0.01 | 91.1 -6.7 | 8.1 +1.8 | 90.3 -5 | close | 4 Ω vs 2 Ω: amp load changes | + |
| JBL GT4-12 | 24.8 +1.3 | 0.429 -0.01 | 91.1 -6.7 | 8.1 +1.8 | 90.3 -5 | close | 4 Ω vs 2 Ω: amp load changes | + |
| Boston Acoustics PRO 12 SLF | 30 +6.5 | 0.448 +0.01 | 84 -13.8 | 6.8 +0.5 | 95.8 +0.5 | usable | 200 W vs 300 W: lower power handling | + |
| Clarion WG3020 | 28 +4.5 | 0.43 -0.01 | 93.4 -4.4 | 6 -0.3 | 91.9 -3.4 | usable | 4 Ω vs 2 Ω: amp load changes · Xmax 6 mm < 6.3 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the GTO 1202D vp →
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.