Monacor SP-400HT
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 21 Hz |
| Qts | 0.241 |
| Qes | 0.25 |
| Qms | 6.55 |
| Vas | 410 L |
| Sd | 855 cm² |
| Xmax | 4 mm |
| Re | 6.4 Ω |
| Bl | 22 T·m |
| Mms | 143.6 g |
| Pe | 150 W |
| Sensitivity | 94.8 dB |
Alignment hint
| EBP | 84 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 53.9 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 |
|---|---|---|---|---|---|---|---|---|
| Davis 40RCA15 vp1 | 21 = | 0.231 -0.01 | 450 +40 | 5 +1 | 96.7 +1.9 | close | + | |
| AE Speakers TD15H | 21 = | 0.254 +0.01 | 467 +57 | 7 +3 | 94.9 +0.1 | close | + | |
| AE Speakers TD15H-8 | 21 = | 0.254 +0.01 | 467 +57 | 7 +3 | 94.9 +0.1 | close | + | |
| Davis 40RCA15 vp FD AUDIO | 22.7 +1.7 | 0.25 +0.01 | 446 +36 | 5 +1 | 96 +1.2 | close | + | |
| JBL 2235H | 20 -1 | 0.252 +0.01 | 458.7 +48.7 | 8.4 +4.4 | 94.4 -0.4 | close | + | |
| Monacor SP-400HT v2 | 22 +1 | 0.241 = | 510 +100 | 5 +1 | 96.3 +1.5 | close | + | |
| Davis 38RPA | 20.7 -0.3 | 0.28 +0.04 | 459 +49 | 4 = | 93.6 -1.2 | close | + | |
| Tannoy DC 386 | 19.8 -1.2 | 0.209 -0.03 | 450 +40 | 4 = | 95.6 +0.8 | close | 85 W vs 150 W: lower power handling | + |
| Altec 416-8B v3 | 24 +3 | 0.231 -0.01 | 375 -35 | 3.8 -0.2 | 96.2 +1.4 | close | Xmax 3.8 mm < 4 mm: lower excursion-limited SPL | + |
| Magnat OMEGA 380 | 21.3 +0.3 | 0.247 +0.01 | 375 -35 | 12 +8 | 96.9 +2.1 | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the SP-400HT →
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.