Radian CRS1230
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 48 Hz |
| Qts | 0.464 |
| Qes | 0.52 |
| Qms | 4.34 |
| Vas | 76 L |
| Sd | 510 cm² |
| Xmax | 5.5 mm |
| Re | 5.4 Ω |
| Bl | 12.9 T·m |
| Mms | 52.7 g |
| Pe | 500 W |
| Sensitivity | 95.8 dB |
Alignment hint
| EBP | 92 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 57.5 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 |
|---|---|---|---|---|---|---|---|---|
| Elder Audio 12LB075-U | 50 +2 | 0.472 +0.01 | 72.8 -3.2 | 5.5 = | 96 +0.2 | close | 280 W vs 500 W: lower power handling | + |
| the box Speaker 12-280/8-A | 50.6 +2.6 | 0.472 +0.01 | 72.8 -3.2 | 5.5 = | 96.1 +0.3 | close | 280 W vs 500 W: lower power handling | + |
| DAS Audio 12P | 46.2 -1.8 | 0.459 -0.01 | 73.6 -2.4 | 6 +0.5 | 94.6 -1.2 | close | + | |
| Beyma 12CMV2 | 49 +1 | 0.47 +0.01 | 76 = | 7 +1.5 | 94 -1.8 | close | 320 W vs 500 W: lower power handling | + |
| Faital PRO 12FE300 | 47 -1 | 0.44 -0.02 | 81.4 +5.4 | 5.47 -0.03 | 95 -0.8 | close | 4 Ω vs 8 Ω: amp load changes · 250 W vs 500 W: lower power handling · Xmax 5.47 mm < 5.5 mm: lower excursion-limited SPL | + |
| Davis 31TCA12 vp2015 n2 | 48.5 +0.5 | 0.471 +0.01 | 85.1 +9.1 | 4.9 -0.6 | 95.6 -0.2 | close | 200 W vs 500 W: lower power handling · Xmax 4.9 mm < 5.5 mm: lower excursion-limited SPL | + |
| Jensen SMOOTH BS 12N/250A | 47 -1 | 0.425 -0.04 | 81.3 +5.3 | 5.5 = | 96.4 +0.6 | close | 250 W vs 500 W: lower power handling | + |
| PHL Audio 4511 | 48 = | 0.406 -0.06 | 74.1 -1.9 | 5.4 -0.1 | 96.2 +0.4 | close | 300 W vs 500 W: lower power handling · Xmax 5.4 mm < 5.5 mm: lower excursion-limited SPL | + |
| PHL Audio 4530 vp clio p | 47.1 -0.9 | 0.46 = | 93.2 +17.2 | 6 +0.5 | 95.7 -0.1 | close | 300 W vs 500 W: lower power handling | + |
| PHL Audio 4530 vp2 | 45.8 -2.2 | 0.454 -0.01 | 86.8 +10.8 | 6 +0.5 | 95 -0.8 | close | 300 W vs 500 W: lower power handling | + |
Compare the closest 3 against the CRS1230 →
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.