Monacor SPH-300KE
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 22 Hz |
| Qts | 0.331 |
| Qes | 0.36 |
| Qms | 4.15 |
| Vas | 250 L |
| Sd | 496 cm² |
| Xmax | 6.5 mm |
| Re | 6.2 Ω |
| Bl | 13.1 T·m |
| Mms | 72.2 g |
| Pe | 120 W |
| Sensitivity | 91.8 dB |
Alignment hint
| EBP | 61 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 70.2 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 |
|---|---|---|---|---|---|---|---|---|
| Max Speaker PV-1250 8 Ohms | 21 -1 | 0.33 = | 238 -12 | 6 -0.5 | 91.5 -0.3 | close | Xmax 6 mm < 6.5 mm: lower excursion-limited SPL | + |
| Aurum Cantus AC300/75C2C | 22 = | 0.352 +0.02 | 232 -18 | 8 +1.5 | 90.3 -1.5 | close | + | |
| Max Speaker PV-1250 4 Ohms | 21 -1 | 0.33 = | 238 -12 | 6 -0.5 | 94.1 +2.3 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 6 mm < 6.5 mm: lower excursion-limited SPL | + |
| TVM ARN 312-00/8 | 22 = | 0.335 = | 203 -47 | 6.3 -0.2 | 90.8 -1 | close | Xmax 6.3 mm < 6.5 mm: lower excursion-limited SPL | + |
| Scan-Speak 32W/8878T01 | 19.1 -2.9 | 0.33 = | 234 -16 | 7.5 +1 | 89.8 -2 | close | + | |
| Fostex SLE 30 W | 22 = | 0.302 -0.03 | 293 +43 | 9.5 +3 | 92.8 +1 | close | + | |
| Wharfedale 3014 | 20.7 -1.3 | 0.342 +0.01 | 319.1 +69.1 | 8 +1.5 | 92.2 +0.4 | close | + | |
| Visaton WS300 | 22 = | 0.321 -0.01 | 340 +90 | 8 +1.5 | 92.5 +0.7 | close | + | |
| Artech ART33.2 | 23 +1 | 0.335 = | 340 +90 | 7 +0.5 | 92.7 +0.9 | close | + | |
| Visaton W300S8 | 23 +1 | 0.335 = | 340 +90 | 7 +0.5 | 92.7 +0.9 | close | + |
Compare the closest 3 against the SPH-300KE →
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.