Monacor SPH-300TC
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 23 Hz |
| Qts | 0.239 |
| Qes | 0.26 |
| Qms | 3.03 |
| Vas | 290 L |
| Sd | 495 cm² |
| Xmax | 4 mm |
| Re | 3.2 Ω |
| Bl | 10 T·m |
| Mms | 56.7 g |
| Pe | 120 W |
| Sensitivity | 97.3 dB |
Alignment hint
| EBP | 88 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 37.4 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 |
|---|---|---|---|---|---|---|---|---|
| Monacor SPH-300TC v2 | 23 = | 0.239 = | 290 = | 4 = | 97.3 = | close | + | |
| Monacor SPH-300TC vp 1 seule bobine | 23 = | 0.239 = | 290 = | 4 = | 94.3 -3 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Visaton W300S4 | 23 = | 0.253 +0.01 | 300 +10 | 7 +3 | 96.4 -0.9 | close | + | |
| Ciare CW322 | 22 -1 | 0.251 +0.01 | 355 +65 | 5 +1 | 97.4 +0.1 | close | + | |
| Monacor SPH-315 | 22 -1 | 0.235 = | 330 +40 | 4.5 +0.5 | 94.5 -2.8 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Siare 31TE | 23 = | 0.265 +0.03 | 322 +32 | 5 +1 | 95.1 -2.2 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Monacor SPP-300/AD | 23 = | 0.265 +0.03 | 305 +15 | 5 +1 | 93.9 -3.4 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Great Plains Audio 414-8B (16B) | 25.6 +2.6 | 0.22 -0.02 | 263.1 -26.9 | 4 = | 95.3 -2 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Monacor SPH-300TC v1 | 23 = | 0.198 -0.04 | 315 +25 | 4 = | 95.4 -1.9 | close | 8 Ω vs 4 Ω: amp load changes | + |
| ATC SB75-314 SC | 23 = | 0.25 +0.01 | 245 -45 | 5 +1 | 93.7 -3.6 | close | 8 Ω vs 4 Ω: amp load changes · 75 W vs 120 W: lower power handling | + |
Compare the closest 3 against the SPH-300TC →
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.