Oberton 18B450
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 34.38 Hz |
| Qts | 0.342 |
| Qes | 0.357 |
| Qms | 8.03 |
| Vas | 241.55 L |
| Sd | 1110 cm² |
| Xmax | 7.25 mm |
| Re | 5.29 Ω |
| Bl | 22.12 T·m |
| Mms | 152.76 g |
| Pe | 500 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 96 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 73.8 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 |
|---|---|---|---|---|---|---|---|---|
| Fane SOVEREIGN PRO 18-800P | 34.5 +0.12 | 0.338 = | 264 +22.45 | 7.5 +0.25 | 97.6 -0.4 | close | + | |
| B&C 18 RBX 100 | 35 +0.62 | 0.343 = | 220 -21.55 | 8.3 +1.05 | 98.1 +0.1 | close | + | |
| Fane 18XBN | 33 -1.38 | 0.337 -0.01 | 236 -5.55 | 7.5 +0.25 | 96.8 -1.2 | close | + | |
| Fane COLOSSUS 18XBN | 33 -1.38 | 0.337 -0.01 | 236 -5.55 | 7.5 +0.25 | 96.8 -1.2 | close | + | |
| PHL Audio 7201ND | 34 -0.38 | 0.355 +0.01 | 230 -11.55 | 8.5 +1.25 | 97.5 -0.5 | close | + | |
| Fane COLOSSUS 18XB v2016 | 33 -1.38 | 0.337 -0.01 | 236 -5.55 | 7.5 +0.25 | 96.6 -1.4 | close | + | |
| Fane COLOSSUS 18XB | 36 +1.62 | 0.323 -0.02 | 246 +4.45 | 7.5 +0.25 | 98.5 +0.5 | close | + | |
| RCF L 18P300 8 Ohms | 33 -1.38 | 0.327 -0.02 | 226 -15.55 | 7.8 +0.55 | 97.8 -0.2 | close | + | |
| Beyma 18" P1000Fe V2/S | 33 -1.38 | 0.32 -0.02 | 230 -11.55 | 8 +0.75 | 98 = | close | + | |
| 18 Sound 18LW2400 | 33 -1.38 | 0.32 -0.02 | 235 -6.55 | 9.5 +2.25 | 98 = | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 18B450 →
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.