JB Systems PWX18-600
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40 Hz |
| Qts | 0.246 |
| Qes | 0.26 |
| Qms | 4.64 |
| Vas | 225 L |
| Sd | 1320 cm² |
| Xmax | 4.6 mm |
| Re | 6 Ω |
| Bl | 31.6 T·m |
| Mms | 171.9 g |
| Pe | 600 W |
| Sensitivity | 100.7 dB |
Alignment hint
| EBP | 154 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 31 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 |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 18W2001 | 37 -3 | 0.25 = | 230 +5 | 7 +2.4 | 99 -1.7 | close | + | |
| B&C 18 PS 76 v2023 | 39 -1 | 0.277 +0.03 | 207 -18 | 5.3 +0.7 | 100.3 -0.4 | close | + | |
| B&C 18 PS 76 | 39 -1 | 0.277 +0.03 | 207 -18 | 5.3 +0.7 | 100 -0.7 | close | + | |
| RCF LF 18N402 | 36 -4 | 0.241 -0.01 | 247 +22 | 7.1 +2.5 | 100.2 -0.5 | close | + | |
| RCF L 18S801 (prodance) | 42.3 +2.3 | 0.261 +0.02 | 204 -21 | 5.7 +1.1 | 102 +1.3 | close | + | |
| Ciare 18.00 NDW | 38.3 -1.7 | 0.273 +0.03 | 205 -20 | 5 +0.4 | 99.5 -1.2 | close | + | |
| PD PD 188 | 37.4 -2.6 | 0.279 +0.03 | 224.4 -0.6 | 6 +1.4 | 99.6 -1.1 | close | + | |
| Precision Devices PD 188 | 37.4 -2.6 | 0.279 +0.03 | 224.4 -0.6 | 6 +1.4 | 99.6 -1.1 | close | + | |
| Ciare PW450ND | 38 -2 | 0.273 +0.03 | 205 -20 | 5 +0.4 | 99.5 -1.2 | close | + | |
| Ciare 18.00W3 | 36 -4 | 0.238 -0.01 | 273.8 +48.8 | 5 +0.4 | 100.9 +0.2 | close | + |
Compare the closest 3 against the PWX18-600 →
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.