Celestion CF18VJD
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 34.3 Hz |
| Qts | 0.336 |
| Qes | 0.36 |
| Qms | 5.152 |
| Vas | 150.6 L |
| Sd | 1130 cm² |
| Xmax | 9 mm |
| Re | 5.98 Ω |
| Bl | 30.3 T·m |
| Mms | 255.9 g |
| Pe | 1600 W |
| Sensitivity | 95.5 dB |
Alignment hint
| EBP | 95 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 43.9 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 |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 18LW2500 | 34 -0.3 | 0.335 = | 135 -15.6 | 9.1 +0.1 | 96 +0.5 | close | + | |
| LaVoce SAF184.50 | 35 +0.7 | 0.329 -0.01 | 162 +11.4 | 9.2 +0.2 | 96.5 +1 | close | + | |
| 18 Sound 18NLW4500 | 35 +0.7 | 0.33 -0.01 | 151 +0.4 | 15.3 +6.3 | 97 +1.5 | close | + | |
| B&C 18SW115 | 34 -0.3 | 0.3 -0.04 | 149.1 -1.5 | 14 +5 | 96 +0.5 | close | 4 Ω vs 8 Ω: amp load changes | + |
| B&C 18SW100 | 36 +1.7 | 0.36 +0.02 | 160 +9.4 | 12.5 +3.5 | 96 +0.5 | close | 4 Ω vs 8 Ω: amp load changes | + |
| PD PD 1845-1N | 34.1 -0.2 | 0.323 -0.01 | 176 +25.4 | 9.5 +0.5 | 97.5 +2 | close | + | |
| Precision Devices PD 1845-1N | 34.1 -0.2 | 0.323 -0.01 | 176 +25.4 | 9.5 +0.5 | 97.5 +2 | close | + | |
| Oberton 18NXB700 | 36.24 +1.94 | 0.312 -0.02 | 155.46 +4.86 | 9 = | 98 +2.5 | close | 1000 W vs 1600 W: lower power handling | + |
| B&C 18TBW100 | 33 -1.3 | 0.32 -0.02 | 181.5 +30.9 | 12 +3 | 96 +0.5 | close | 4 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 18NLW9600 | 34 -0.3 | 0.281 -0.05 | 149 -1.6 | 9 = | 97.3 +1.8 | close | + |
Compare the closest 3 against the CF18VJD →
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.