Volt RV4564
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 26 Hz |
| Qts | 0.313 |
| Qes | 0.34 |
| Qms | 3.94 |
| Vas | 238 L |
| Sd | 1029 cm² |
| Xmax | 9.6 mm |
| Re | 5.8 Ω |
| Bl | 25.5 T·m |
| Mms | 233.7 g |
| Pe | 750 W |
| Sensitivity | 94.3 dB |
Alignment hint
| EBP | 76 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 58 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 18TBX100 | 30 +4 | 0.31 = | 256 +18 | 9 -0.6 | 94 -0.3 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 9.6 mm: lower excursion-limited SPL | + |
| BMS 18N850vv2 | 29.8 +3.8 | 0.33 +0.02 | 243 +5 | 12 +2.4 | 95 +0.7 | close | + | |
| JBL 2269H | 28 +2 | 0.361 +0.05 | 237 -1 | 10.6 +1 | 95 +0.7 | close | + | |
| Lavoce SAF184.03 | 30 +4 | 0.32 +0.01 | 260 +22 | 13 +3.4 | 94.9 +0.6 | close | + | |
| Ciare NDH18_4S | 31 +5 | 0.319 +0.01 | 239 +1 | 9.4 -0.2 | 96.5 +2.2 | close | Xmax 9.4 mm < 9.6 mm: lower excursion-limited SPL | + |
| BMS 18S450 | 29 +3 | 0.31 = | 281 +43 | 12 +2.4 | 95 +0.7 | close | + | |
| RCF LF 18N405 | 30 +4 | 0.324 +0.01 | 227 -11 | 10.8 +1.2 | 96.7 +2.4 | close | + | |
| Sica 18 PFS 4 | 28.7 +2.7 | 0.37 +0.06 | 245.9 +7.9 | 9.5 -0.1 | 95.1 +0.8 | close | Xmax 9.5 mm < 9.6 mm: lower excursion-limited SPL | + |
| BMS 18N840V2 | 28.5 +2.5 | 0.314 = | 288 +50 | 10 +0.4 | 97.1 +2.8 | close | + | |
| RCF LF18N405 | 30 +4 | 0.32 +0.01 | 227 -11 | 14 +4.4 | 97 +2.7 | close | + |
Compare the closest 3 against the RV4564 →
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.