Monacor SPH-300TC v1
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 23 Hz |
| Qts | 0.198 |
| Qes | 0.22 |
| Qms | 2.01 |
| Vas | 315 L |
| Sd | 495 cm² |
| Xmax | 4 mm |
| Re | 6.3 Ω |
| Bl | 14.7 T·m |
| Mms | 52.2 g |
| Pe | 120 W |
| Sensitivity | 95.4 dB |
Alignment hint
| EBP | 105 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 26.8 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 |
|---|---|---|---|---|---|---|---|---|
| SEAS 33F-WKA | 22 -1 | 0.209 +0.01 | 310 -5 | 5 +1 | 95 -0.4 | close | 70 W vs 120 W: lower power handling | + |
| Focal AUDIOM 12V | 25 +2 | 0.203 +0.01 | 318 +3 | 6 +2 | 97 +1.6 | close | + | |
| Audax LFP502 | 24 +1 | 0.208 +0.01 | 267 -48 | 3.5 -0.5 | 95.4 = | close | Xmax 3.5 mm < 4 mm: lower excursion-limited SPL | + |
| Audax PR33SM150 | 24 +1 | 0.208 +0.01 | 267 -48 | 3.5 -0.5 | 95.4 = | close | Xmax 3.5 mm < 4 mm: lower excursion-limited SPL | + |
| Monacor SPH-300TC vp 1 seule bobine | 23 = | 0.239 +0.04 | 290 -25 | 4 = | 94.3 -1.1 | close | + | |
| Monacor SPH-315 | 22 -1 | 0.235 +0.04 | 330 +15 | 4.5 +0.5 | 94.5 -0.9 | close | + | |
| Focal AUDIOM 12VX | 23.5 +0.5 | 0.202 = | 238 -77 | 6 +2 | 94.5 -0.9 | close | + | |
| Monacor SPH-300TC | 23 = | 0.239 +0.04 | 290 -25 | 4 = | 97.3 +1.9 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Monacor SPH-300TC v2 | 23 = | 0.239 +0.04 | 290 -25 | 4 = | 97.3 +1.9 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Great Plains Audio 414-8B (16B) | 25.6 +2.6 | 0.22 +0.02 | 263.1 -51.9 | 4 = | 95.3 -0.1 | close | + |
Compare the closest 3 against the SPH-300TC v1 →
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.