Infinity BETA12
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 22 Hz |
| Qts | 0.242 |
| Qes | 0.25 |
| Qms | 7.88 |
| Vas | 158 L |
| Sd | 517 cm² |
| Xmax | 10 mm |
| Re | 2.8 Ω |
| Bl | 13.9 T·m |
| Mms | 124.1 g |
| Pe | 500 W |
| Sensitivity | 94.8 dB |
Alignment hint
| EBP | 88 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 21 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 TWEELVE vp | 22 = | 0.242 = | 158 = | 10 = | 93.3 -1.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Pioneer TS-W304C | 22.3 +0.3 | 0.274 +0.03 | 134 -24 | 9.8 -0.2 | 93.5 -1.3 | close | 300 W vs 500 W: lower power handling · Xmax 9.8 mm < 10 mm: lower excursion-limited SPL | + |
| Visaton TIW300 | 25 +3 | 0.282 +0.04 | 160 +2 | 9.7 -0.3 | 92.9 -1.9 | usable | 8 Ω vs 4 Ω: amp load changes · 300 W vs 500 W: lower power handling · Xmax 9.7 mm < 10 mm: lower excursion-limited SPL | + |
| JBL 252G | 23 +1 | 0.25 +0.01 | 178 +20 | 7 -3 | 93.8 -1 | usable | 8 Ω vs 4 Ω: amp load changes · 250 W vs 500 W: lower power handling · Xmax 7 mm < 10 mm: lower excursion-limited SPL | + |
| JBL 128-H vp ca2 | 21.6 -0.4 | 0.24 = | 214.6 +56.6 | 7.7 -2.3 | 93.1 -1.7 | usable | 8 Ω vs 4 Ω: amp load changes · 150 W vs 500 W: lower power handling · Xmax 7.7 mm < 10 mm: lower excursion-limited SPL | + |
| AE Speakers TD12H | 26.7 +4.7 | 0.234 -0.01 | 160 +2 | 7 -3 | 93.7 -1.1 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 7 mm < 10 mm: lower excursion-limited SPL | + |
| AE Speakers TD12H8 | 26.7 +4.7 | 0.234 -0.01 | 160 +2 | 7 -3 | 93.7 -1.1 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 7 mm < 10 mm: lower excursion-limited SPL | + |
| SB Acoustics SB34NRXL75-8 | 22 = | 0.275 +0.03 | 205 +47 | 9.6 -0.4 | 91.9 -2.9 | usable | 8 Ω vs 4 Ω: amp load changes · 200 W vs 500 W: lower power handling · Xmax 9.6 mm < 10 mm: lower excursion-limited SPL | + |
| JBL 1200FE-8 | 27 +5 | 0.256 +0.01 | 125 -33 | 10 = | 93.3 -1.5 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Scan-Speak 32W/4878T01 | 23 +1 | 0.286 +0.04 | 170 +12 | 7 -3 | 94.5 -0.3 | usable | 150 W vs 500 W: lower power handling · Xmax 7 mm < 10 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the BETA12 →
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.