Volt R3813
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 35 Hz |
| Qts | 0.303 |
| Qes | 0.34 |
| Qms | 2.82 |
| Vas | 191 L |
| Sd | 734 cm² |
| Xmax | 4.5 mm |
| Re | 6.27 Ω |
| Bl | 18.2 T·m |
| Mms | 81.8 g |
| Pe | 500 W |
| Sensitivity | 96.9 dB |
Alignment hint
| EBP | 103 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 43 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 |
|---|---|---|---|---|---|---|---|---|
| PHL Audio 5102 | 36 +1 | 0.306 = | 190 -1 | 6.1 +1.6 | 97.8 +0.9 | close | + | |
| Eminence Kappa Pro-15LF | 35 = | 0.3 = | 198.8 +7.8 | 6.7 +2.2 | 97.8 +0.9 | close | + | |
| Eminence KAPPA PRO 15 LF-2 | 35 = | 0.307 = | 198.8 +7.8 | 8.2 +3.7 | 97.1 +0.2 | close | + | |
| RCF L 15L601 | 38 +3 | 0.305 = | 190 -1 | 5 +0.5 | 97.9 +1 | close | + | |
| B&C 15 PS 40 | 35 = | 0.318 +0.02 | 177 -14 | 6 +1.5 | 97.4 +0.5 | close | + | |
| DAS Audio 15S | 35 = | 0.287 -0.02 | 188 -3 | 8 +3.5 | 97.4 +0.5 | close | + | |
| Beyma 15B46 | 35 = | 0.319 +0.02 | 204 +13 | 4 -0.5 | 97.1 +0.2 | close | 150 W vs 500 W: lower power handling · Xmax 4 mm < 4.5 mm: lower excursion-limited SPL | + |
| DAS Audio 15H | 35 = | 0.287 -0.02 | 203 +12 | 6 +1.5 | 97.8 +0.9 | close | + | |
| Audax PR38S100VST vp | 33.8 -1.2 | 0.286 -0.02 | 186 -5 | 4 -0.5 | 96.8 -0.1 | close | 200 W vs 500 W: lower power handling · Xmax 4 mm < 4.5 mm: lower excursion-limited SPL | + |
| Audax PR38ST250 | 38 +3 | 0.311 +0.01 | 193 +2 | 4.9 +0.4 | 98.4 +1.5 | close | 250 W vs 500 W: lower power handling | + |
Compare the closest 3 against the R3813 →
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.