Oberton 18NXB700
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 36.24 Hz |
| Qts | 0.312 |
| Qes | 0.325 |
| Qms | 7.94 |
| Vas | 155.46 L |
| Sd | 1110 cm² |
| Xmax | 9 mm |
| Re | 5.17 Ω |
| Bl | 27.82 T·m |
| Mms | 213.6 g |
| Pe | 1000 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 112 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 37.6 L |
EBP > 100: favours a ported (bass-reflex) 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 |
|---|---|---|---|---|---|---|---|---|
| Oberton 18XB1201 | 38.05 +1.81 | 0.317 +0.01 | 159.37 +3.91 | 10.5 +1.5 | 98.5 +0.5 | close | + | |
| Oberton 18XB700 | 36.1 -0.14 | 0.304 -0.01 | 183.22 +27.76 | 9 = | 98 = | close | + | |
| Faital PRO 18HP1030 | 35 -1.24 | 0.32 +0.01 | 172.2 +16.74 | 12.45 +3.45 | 98 = | close | 4 Ω vs 8 Ω: amp load changes | + |
| Oberton 18XB1301 | 35.7 -0.54 | 0.302 -0.01 | 172.9 +17.44 | 8.2 -0.8 | 97.9 -0.1 | close | Xmax 8.2 mm < 9 mm: lower excursion-limited SPL | + |
| LaVoce SAF184.50 | 35 -1.24 | 0.329 +0.02 | 162 +6.54 | 9.2 +0.2 | 96.5 -1.5 | close | + | |
| Oberton 18XB1301DS | 35.7 -0.54 | 0.302 -0.01 | 172.9 +17.44 | 12 +3 | 97.5 -0.5 | close | + | |
| PD PD 1845-1N | 34.1 -2.14 | 0.323 +0.01 | 176 +20.54 | 9.5 +0.5 | 97.5 -0.5 | close | + | |
| Precision Devices PD 1845-1N | 34.1 -2.14 | 0.323 +0.01 | 176 +20.54 | 9.5 +0.5 | 97.5 -0.5 | close | + | |
| B&C 18DS100 | 34 -2.24 | 0.29 -0.02 | 155 -0.46 | 14.5 +5.5 | 97.5 -0.5 | close | + | |
| 18 Sound 18NLW4500 | 35 -1.24 | 0.33 +0.02 | 151 -4.46 | 15.3 +6.3 | 97 -1 | close | + |
Compare the closest 3 against the 18NXB700 →
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.