Beyma 18G550 (prodance)
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 29.5 Hz |
| Qts | 0.382 |
| Qes | 0.4 |
| Qms | 8.36 |
| Vas | 291 L |
| Sd | 1200 cm² |
| Xmax | 9 mm |
| Re | 5.07 Ω |
| Bl | 21.8 T·m |
| Mms | 202 g |
| Pe | 900 W |
| Sensitivity | 96.7 dB |
Alignment hint
| EBP | 74 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 119.9 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 |
|---|---|---|---|---|---|---|---|---|
| Dayton Audio APOLLO 18F | 32 +2.5 | 0.401 +0.02 | 287.7 -3.3 | 10.6 +1.6 | 96.4 -0.3 | close | + | |
| Beyma 18G550 v2018 | 33 +3.5 | 0.396 +0.01 | 290 -1 | 9 = | 97.5 +0.8 | close | + | |
| Beyma 18LEX1200FE | 32 +2.5 | 0.378 = | 277 -14 | 11 +2 | 97.4 +0.7 | close | + | |
| Beyma 18G550/S-8 | 33 +3.5 | 0.396 +0.01 | 290 -1 | 9.3 +0.3 | 97.5 +0.8 | close | + | |
| SB Audience ROSSO-18SW650 | 31 +1.5 | 0.418 +0.04 | 304.3 +13.3 | 9 = | 97.2 +0.5 | close | 650 W vs 900 W: lower power handling | + |
| Beyma 18PWB1000Fe/S | 27 -2.5 | 0.38 = | 317 +26 | 12.5 +3.5 | 96 -0.7 | close | + | |
| Beyma 18PWB1000/FE v2016 | 27 -2.5 | 0.381 = | 317 +26 | 11.7 +2.7 | 95.2 -1.5 | close | + | |
| BMS 18N830vv2 | 31 +1.5 | 0.37 -0.01 | 262 -29 | 8 -1 | 96 -0.7 | close | Xmax 8 mm < 9 mm: lower excursion-limited SPL | + |
| Sica 18 PFS 4 | 28.7 -0.8 | 0.37 -0.01 | 245.9 -45.1 | 9.5 +0.5 | 95.1 -1.6 | close | + | |
| B&C 18 PS 100 8 Ohms | 30 +0.5 | 0.376 -0.01 | 245 -46 | 8 -1 | 95.8 -0.9 | close | Xmax 8 mm < 9 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 18G550 (prodance) →
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.