Cerwin-Vega 189E
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 30.5 Hz |
| Qts | 0.227 |
| Qes | 0.241 |
| Qms | 3.86 |
| Vas | 244 L |
| Sd | 1065.2 cm² |
| Xmax | 5.2 mm |
| Re | 5 Ω |
| Bl | 26.6 T·m |
| Mms | 177.5 g |
| Pe | 400 W |
| Sensitivity | 98.6 dB |
Alignment hint
| EBP | 127 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 28 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 |
|---|---|---|---|---|---|---|---|---|
| PD PD 1850 | 30 -0.5 | 0.212 -0.02 | 249 +5 | 6.9 +1.7 | 98.5 -0.1 | close | + | |
| Precision Devices PD 1850 | 30 -0.5 | 0.212 -0.02 | 249 +5 | 6.9 +1.7 | 98.5 -0.1 | close | + | |
| RCF LF 18N451 | 31 +0.5 | 0.24 +0.01 | 245 +1 | 8.8 +3.6 | 98.7 +0.1 | close | + | |
| RCF LF18N451 | 31 +0.5 | 0.24 +0.01 | 245 +1 | 9 +3.8 | 97.5 -1.1 | close | + | |
| B&C 18 NW 100 | 31 +0.5 | 0.254 +0.03 | 252 +8 | 8.7 +3.5 | 98.4 -0.2 | close | + | |
| PD PD 185C003 | 33 +2.5 | 0.224 = | 224 -20 | 8.8 +3.6 | 99.1 +0.5 | close | + | |
| Precision Devices PD 185C003 | 33 +2.5 | 0.224 = | 224 -20 | 8.8 +3.6 | 99.1 +0.5 | close | + | |
| 18 Sound 18W1001 | 35 +4.5 | 0.23 = | 268 +24 | 7 +1.8 | 99 +0.4 | close | + | |
| 18 Sound 18NLW9400 | 32 +1.5 | 0.22 -0.01 | 278 +34 | 9.5 +4.3 | 98 -0.6 | close | 4 Ω vs 8 Ω: amp load changes | + |
| B&C 18NW100 | 31 +0.5 | 0.26 +0.03 | 252 +8 | 9 +3.8 | 98 -0.6 | close | + |
Compare the closest 3 against the 189E →
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.