Powersoft 30''-4MM M-FORCE 01 REVERSED
Thiele-Small parameters
| Nominal size | 31.5" |
|---|---|
| Impedance | 0.5 Ω |
| Fs | 32 Hz |
| Qts | 0.207 |
| Qes | 0.212 |
| Qms | 8.367 |
| Vas | 170 L |
| Sd | 3420 cm² |
| Xmax | 4.6 mm |
| Re | 0.26 Ω |
| Bl | 24.2 T·m |
| Mms | 2382.8 g |
| Pe | 5000 W |
| Sensitivity | 111.1 dB |
Alignment hint
| EBP | 151 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 15.9 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 |
|---|---|---|---|---|---|---|---|---|
| Powersoft 30''-4MM M-FORCE 01 SHORT | 32 = | 0.207 = | 170 = | 4.6 = | 111.1 = | close | + | |
| Powersoft 30''-4MM M-FORCE 01 STRAIGHT | 32 = | 0.207 = | 170 = | 4.6 = | 111.1 = | close | + | |
| Powersoft 30''-4MM M-FORCE 02 REVERSED | 32 = | 0.153 -0.05 | 170 = | 3.8 -0.8 | 113.8 +2.7 | usable | 0.25 Ω vs 0.5 Ω: amp load changes · Xmax 3.8 mm < 4.6 mm: lower excursion-limited SPL | + |
| Powersoft 30''-4MM M-FORCE 02 SHORT | 32 = | 0.153 -0.05 | 170 = | 3.8 -0.8 | 113.8 +2.7 | usable | 0.25 Ω vs 0.5 Ω: amp load changes · Xmax 3.8 mm < 4.6 mm: lower excursion-limited SPL | + |
| Powersoft 30''-4MM M-FORCE 02 STRAIGHT | 32 = | 0.153 -0.05 | 170 = | 3.8 -0.8 | 113.8 +2.7 | usable | 0.25 Ω vs 0.5 Ω: amp load changes · Xmax 3.8 mm < 4.6 mm: lower excursion-limited SPL | + |
| Powersoft 30''-3MM M-FORCE 01 STRAIGHT | 30 -2 | 0.167 -0.04 | 230 +60 | 4.8 +0.2 | 112.5 +1.4 | usable | + | |
| Powersoft 30''-3MM M-FORCE 02 STRAIGHT | 30 -2 | 0.124 -0.08 | 230 +60 | 4 -0.6 | 115.2 +4.1 | risky | 0.25 Ω vs 0.5 Ω: amp load changes · Xmax 4 mm < 4.6 mm: lower excursion-limited SPL | + |
| Fluxmag 2950-Sono | 27.8 -4.2 | 0.761 +0.55 | 869 +699 | 5.5 +0.9 | 96.9 -14.2 | risky | 8 Ω vs 0.5 Ω: amp load changes · 350 W vs 5000 W: lower power handling | + |
| Fluxmag 2950-Hifi | 24.4 -7.6 | 0.589 +0.38 | 1313 +1143 | 5.5 +0.9 | 98.2 -12.9 | risky | 8 Ω vs 0.5 Ω: amp load changes · 200 W vs 5000 W: lower power handling | + |
| Audio Dynamique 75IC | 15.2 -16.8 | 0.277 +0.07 | 4023.2 +3853.2 | 9 +4.4 | 100.1 -11 | risky | 8 Ω vs 0.5 Ω: amp load changes · 250 W vs 5000 W: lower power handling | + |
Compare the closest 3 against the 30''-4MM M-FORCE 01 REVERSED →
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.