Davis 40RCA15 vp2
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 26.6 Hz |
| Qts | 0.309 |
| Qes | 0.33 |
| Qms | 4.88 |
| Vas | 410 L |
| Sd | 804 cm² |
| Xmax | 5 mm |
| Re | 4.1 Ω |
| Bl | 12.8 T·m |
| Mms | 79.1 g |
| Pe | 200 W |
| Sensitivity | 98.6 dB |
Alignment hint
| EBP | 81 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 96.8 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 |
|---|---|---|---|---|---|---|---|---|
| Great Plains Audio 515-8C GPA | 27.8 +1.2 | 0.299 -0.01 | 422.5 +12.5 | 4.7 -0.3 | 97.6 -1 | close | 75 W vs 200 W: lower power handling · Xmax 4.7 mm < 5 mm: lower excursion-limited SPL | + |
| Supravox 400-2000EXC_11V | 25 -1.6 | 0.308 = | 433 +23 | 5 = | 96.2 -2.4 | close | 120 W vs 200 W: lower power handling | + |
| Usher Audio 15HM Studio | 27 +0.4 | 0.28 -0.03 | 385 -25 | 5.9 +0.9 | 98 -0.6 | close | 150 W vs 200 W: lower power handling | + |
| Beyma SM115/N | 29 +2.4 | 0.291 -0.02 | 430 +20 | 7.3 +2.3 | 98.3 -0.3 | close | + | |
| Supravox 400 GMF | 26 -0.6 | 0.319 +0.01 | 489 +79 | 5 = | 97 -1.6 | close | 120 W vs 200 W: lower power handling | + |
| Crites Speakers CW1526 V2017 | 26.3 -0.3 | 0.346 +0.04 | 437.2 +27.2 | 7.2 +2.2 | 99.1 +0.5 | close | 4 Ω vs 8 Ω: amp load changes · 150 W vs 200 W: lower power handling | + |
| Davis 40RCA15 | 27 +0.4 | 0.282 -0.03 | 350 -60 | 5 = | 97.7 -0.9 | close | + | |
| Davis 40RCA15DF | 27 +0.4 | 0.282 -0.03 | 350 -60 | 5 = | 97.7 -0.9 | close | + | |
| Davis 40RCADF | 27 +0.4 | 0.282 -0.03 | 350 -60 | 5 = | 97.7 -0.9 | close | + | |
| Supravox 400 GN-B | 28.5 +1.9 | 0.272 -0.04 | 450 +40 | 5 = | 98.6 = | close | 120 W vs 200 W: lower power handling | + |
Compare the closest 3 against the 40RCA15 vp2 →
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.