Monacor CRB-30HQ
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 31 Hz |
| Qts | 0.424 |
| Qes | 0.48 |
| Qms | 3.66 |
| Vas | 55 L |
| Sd | 492 cm² |
| Xmax | 5 mm |
| Re | 3.3 Ω |
| Bl | 14.8 T·m |
| Mms | 162.6 g |
| Pe | 250 W |
| Sensitivity | 91.2 dB |
Alignment hint
| EBP | 65 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 30.9 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 |
|---|---|---|---|---|---|---|---|---|
| Monacor CRB-38HQ | 31 = | 0.424 = | 55 = | 6 +1 | 91.2 = | close | + | |
| Pioneer TS-W306C | 32.6 +1.6 | 0.414 -0.01 | 55.6 +0.6 | 8.1 +3.1 | 92.8 +1.6 | close | + | |
| Focal P30DB | 29.4 -1.6 | 0.427 = | 56.8 +1.8 | 7.7 +2.7 | 93.7 +2.5 | close | 2 Ω vs 4 Ω: amp load changes | + |
| Fountek FW323 - 4 Ohms | 30 -1 | 0.452 +0.03 | 51.4 -3.6 | 6.6 +1.6 | 89.7 -1.5 | close | + | |
| Pioneer TS-W126C(PREMIER) | 32.6 +1.6 | 0.42 = | 55.614 +0.61 | 8.7 +3.7 | 88.4 -2.8 | close | + | |
| Alpine SWR-1241D | 28 -3 | 0.427 = | 58 +3 | 6.9 +1.9 | 93 +1.8 | close | 2 Ω vs 4 Ω: amp load changes | + |
| Ground Zero GZRW 12XS-AL | 30 -1 | 0.395 -0.03 | 52 -3 | 8.9 +3.9 | 90.4 -0.8 | close | + | |
| Sony XS-GTX121LB | 27.5 -3.5 | 0.434 +0.01 | 58.1 +3.1 | 4.7 -0.3 | 89.7 -1.5 | close | Xmax 4.7 mm < 5 mm: lower excursion-limited SPL | + |
| Sica 12 SR 3 PL | 36 +5 | 0.42 = | 60.4 +5.4 | 7 +2 | 91.8 +0.6 | close | 8 Ω vs 4 Ω: amp load changes | + |
| SICA 12 SR 3 PL v2018 | 36 +5 | 0.418 -0.01 | 60.4 +5.4 | 7 +2 | 91.7 +0.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the CRB-30HQ →
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.