B&C 18 PS 76
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 39 Hz |
| Qts | 0.277 |
| Qes | 0.29 |
| Qms | 6.1 |
| Vas | 207 L |
| Sd | 1210 cm² |
| Xmax | 5.3 mm |
| Re | 5.3 Ω |
| Bl | 27.2 T·m |
| Mms | 165.1 g |
| Pe | 600 W |
| Sensitivity | 100 dB |
Alignment hint
| EBP | 134 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 37.5 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 18 PS 76 v2023 | 39 = | 0.277 = | 207 = | 5.3 = | 100.3 +0.3 | close | + | |
| P.Audio C18-600LF | 38 -1 | 0.279 = | 201 -6 | 5.3 = | 99.5 -0.5 | close | + | |
| RCF L 18S800 | 39 = | 0.29 +0.01 | 206 -1 | 6.3 +1 | 100.2 +0.2 | close | + | |
| RCF L 18S801 | 39 = | 0.29 +0.01 | 206 -1 | 6.3 +1 | 100.2 +0.2 | close | + | |
| Ciare 18.00 NDW | 38.3 -0.7 | 0.273 = | 205 -2 | 5 -0.3 | 99.5 -0.5 | close | Xmax 5 mm < 5.3 mm: lower excursion-limited SPL | + |
| Ciare PW450ND | 38 -1 | 0.273 = | 205 -2 | 5 -0.3 | 99.5 -0.5 | close | Xmax 5 mm < 5.3 mm: lower excursion-limited SPL | + |
| PD PD 188 | 37.4 -1.6 | 0.279 = | 224.4 +17.4 | 6 +0.7 | 99.6 -0.4 | close | + | |
| Precision Devices PD 188 | 37.4 -1.6 | 0.279 = | 224.4 +17.4 | 6 +0.7 | 99.6 -0.4 | close | + | |
| RCF L18S800 | 39 = | 0.29 +0.01 | 206 -1 | 5 -0.3 | 97.9 -2.1 | close | 300 W vs 600 W: lower power handling · Xmax 5 mm < 5.3 mm: lower excursion-limited SPL | + |
| Fane 18-800N | 38 -1 | 0.306 +0.03 | 217 +10 | 7.1 +1.8 | 99.5 -0.5 | close | + |
Compare the closest 3 against the 18 PS 76 →
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.