Eminence KAPPA 15C
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 4 Ω |
| Fs | 31 Hz |
| Qts | 0.25 |
| Qes | 0.25 |
| Qms | 10.14 |
| Vas | 329.9 L |
| Sd | 856.3 cm² |
| Xmax | 2.4 mm |
| Re | 3.68 Ω |
| Bl | 14.7 T·m |
| Mms | 77 g |
| Pe | 450 W |
| Sensitivity | 98.1 dB |
Alignment hint
| EBP | 124 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 47.1 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 |
|---|---|---|---|---|---|---|---|---|
| Great Plains Audio 604-8H III | 33.7 +2.7 | 0.254 = | 329.9 = | 3.8 +1.4 | 99.3 +1.2 | close | 8 Ω vs 4 Ω: amp load changes · 100 W vs 450 W: lower power handling | + |
| Great Plains Audio 604-H III | 33.7 +2.7 | 0.254 = | 329.9 = | 3.8 +1.4 | 99.3 +1.2 | close | 8 Ω vs 4 Ω: amp load changes · 100 W vs 450 W: lower power handling | + |
| Altec 605 A | 30.3 -0.7 | 0.248 = | 405.8 +75.9 | 2.7 +0.3 | 97.5 -0.6 | close | 16 Ω vs 4 Ω: amp load changes · 35 W vs 450 W: lower power handling | + |
| Davis 39RPA15 | 31 = | 0.27 +0.02 | 340 +10.1 | 4 +1.6 | 99.3 +1.2 | close | 8 Ω vs 4 Ω: amp load changes · 200 W vs 450 W: lower power handling | + |
| RCF L 15/541 | 30.9 -0.1 | 0.236 -0.01 | 300 -29.9 | 5.6 +3.2 | 98.1 = | close | 8 Ω vs 4 Ω: amp load changes · 200 W vs 450 W: lower power handling | + |
| Eminence KAPPA 15 C | 31 = | 0.244 -0.01 | 329.9 = | 5.5 +3.1 | 101.3 +3.2 | close | + | |
| Davis 38RCA15 | 29 -2 | 0.24 -0.01 | 373 +43.1 | 5 +2.6 | 98.2 +0.1 | close | 8 Ω vs 4 Ω: amp load changes · 200 W vs 450 W: lower power handling | + |
| Focal AUDIOM 15B | 31.6 +0.6 | 0.282 +0.03 | 330 +0.1 | 6 +3.6 | 98.8 +0.7 | close | 8 Ω vs 4 Ω: amp load changes · 225 W vs 450 W: lower power handling | + |
| Fostex 15W-300 | 31 = | 0.26 +0.01 | 262 -67.9 | 4 +1.6 | 97.3 -0.8 | close | 8 Ω vs 4 Ω: amp load changes · 200 W vs 450 W: lower power handling | + |
| Supravox 400 GMF PRO | 32 +1 | 0.263 +0.01 | 370 +40.1 | 4.8 +2.4 | 99.4 +1.3 | close | 8 Ω vs 4 Ω: amp load changes · 120 W vs 450 W: lower power handling | + |
Compare the closest 3 against the KAPPA 15C →
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.