Celestion CF1830E
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40.5 Hz |
| Qts | 0.342 |
| Qes | 0.371 |
| Qms | 4.367 |
| Vas | 167.9 L |
| Sd | 1130 cm² |
| Xmax | 5 mm |
| Re | 5.27 Ω |
| Bl | 24.4 T·m |
| Mms | 164.6 g |
| Pe | 700 W |
| Sensitivity | 98.6 dB |
Alignment hint
| EBP | 109 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 51.3 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 |
|---|---|---|---|---|---|---|---|---|
| P.Audio C18-650EL | 42 +1.5 | 0.311 -0.03 | 170 +2.1 | 5.3 +0.3 | 99.5 +0.9 | close | + | |
| RCF L 18/851KN | 39 -1.5 | 0.357 +0.01 | 200 +32.1 | 5 = | 98.4 -0.2 | close | 500 W vs 700 W: lower power handling | + |
| Beyma 18GT400 | 40 -0.5 | 0.383 +0.04 | 185 +17.1 | 5.3 +0.3 | 98.3 -0.3 | close | 400 W vs 700 W: lower power handling | + |
| B&C 18HTX100 | 44 +3.5 | 0.323 -0.02 | 173 +5.1 | 5.7 +0.7 | 100.1 +1.5 | close | + | |
| Beyma 18P100FE | 40 -0.5 | 0.39 +0.05 | 163.2 -4.7 | 7.1 +2.1 | 98.1 -0.5 | close | + | |
| STX W.46.1300.8.MC | 36 -4.5 | 0.321 -0.02 | 164 -3.9 | 5.5 +0.5 | 97.5 -1.1 | close | + | |
| PD PDN 18SB40 | 38.5 -2 | 0.326 -0.02 | 201.3 +33.4 | 6 +1 | 98.6 = | close | + | |
| Precision Devices PDN 18SB40 | 38.5 -2 | 0.326 -0.02 | 201.3 +33.4 | 6 +1 | 98.6 = | close | + | |
| P.Audio C18-650EL v2009 | 45 +4.5 | 0.375 +0.03 | 158.3 -9.6 | 5.3 +0.3 | 99.4 +0.8 | close | + | |
| Oberton 18XB1201 | 38.05 -2.45 | 0.317 -0.03 | 159.37 -8.53 | 10.5 +5.5 | 98.5 -0.1 | close | + |
Compare the closest 3 against the CF1830E →
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.