JBL STAGE 1210
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 31.7 Hz |
| Qts | 0.55 |
| Qes | 0.6 |
| Qms | 6.64 |
| Vas | 64.6 L |
| Sd | 530.9 cm² |
| Xmax | 6.6 mm |
| Re | 3.6 Ω |
| Bl | 13.6 T·m |
| Mms | 154.2 g |
| Pe | 250 W |
| Sensitivity | 90.8 dB |
Alignment hint
| EBP | 53 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 98.9 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 |
|---|---|---|---|---|---|---|---|---|
| Alpine SWS-1241 | 30 -1.7 | 0.563 +0.01 | 65 +0.4 | 6.7 +0.1 | 90.1 -0.7 | close | + | |
| MTX Audio XT12-04 | 33 +1.3 | 0.56 +0.01 | 66 +1.4 | 6.5 -0.1 | 91.7 +0.9 | close | Xmax 6.5 mm < 6.6 mm: lower excursion-limited SPL | + |
| Focal P30 | 31.3 -0.4 | 0.508 -0.04 | 63.9 -0.7 | 7.4 +0.8 | 91 +0.2 | close | + | |
| MTX Audio T5512-04 | 29.3 -2.4 | 0.583 +0.03 | 66.9 +2.3 | 7.3 +0.7 | 89.8 -1 | close | + | |
| MTX Audio RT12-04 | 28 -3.7 | 0.535 -0.02 | 68 +3.4 | 7.5 +0.9 | 90.1 -0.7 | close | + | |
| Wavecor SW310WA02 | 27.5 -4.2 | 0.52 -0.03 | 64.5 -0.1 | 7.4 +0.8 | 89.9 -0.9 | close | + | |
| Kenwood W1024DB | 33 +1.3 | 0.567 +0.02 | 51.3 -13.3 | 6.9 +0.3 | 91 +0.2 | close | + | |
| Oxygen SPIRAL 300 | 32 +0.3 | 0.56 +0.01 | 81 +16.4 | 7.6 +1 | 92 +1.2 | close | + | |
| Scan-Speak 30W/4552-01 | 34 +2.3 | 0.525 -0.03 | 52.9 -11.7 | 6.6 = | 90.7 -0.1 | close | + | |
| Phoenix Gold RYVAL V12D | 30 -1.7 | 0.552 = | 81.9 +17.3 | 6.4 -0.2 | 91.4 +0.6 | close | 150 W vs 250 W: lower power handling · Xmax 6.4 mm < 6.6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the STAGE 1210 →
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.