PHL Audio 4400Nd
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 41 Hz |
| Qts | 0.216 |
| Qes | 0.24 |
| Qms | 2.2 |
| Vas | 70 L |
| Sd | 530 cm² |
| Xmax | 5.7 mm |
| Re | 5.4 Ω |
| Bl | 22.2 T·m |
| Mms | 84.8 g |
| Pe | 600 W |
| Sensitivity | 96.7 dB |
Alignment hint
| EBP | 171 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 7.2 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 12 PS 76 | 42 +1 | 0.208 -0.01 | 75 +5 | 5.1 -0.6 | 97.2 +0.5 | close | 450 W vs 600 W: lower power handling · Xmax 5.1 mm < 5.7 mm: lower excursion-limited SPL | + |
| BMS 12N803 | 41 = | 0.24 +0.02 | 77 +7 | 6 +0.3 | 97 +0.3 | close | + | |
| PHL Audio B303-8 4230 | 40 -1 | 0.22 = | 87.2 +17.2 | 5.8 +0.1 | 97.3 +0.6 | close | 450 W vs 600 W: lower power handling | + |
| Faital PRO 12FH500 | 45 +4 | 0.22 = | 80.3 +10.3 | 7.25 +1.55 | 97 +0.3 | close | 4 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 12ND930 | 50 +9 | 0.21 -0.01 | 70 = | 6.5 +0.8 | 98 +1.3 | close | + | |
| Oberton 12B401 | 46.63 +5.63 | 0.245 +0.03 | 69.6 -0.4 | 6.75 +1.05 | 97 +0.3 | close | 400 W vs 600 W: lower power handling | + |
| RCF L 12P300 | 40 -1 | 0.242 +0.03 | 81 +11 | 7.8 +2.1 | 96.7 = | close | + | |
| Fane COLOSSUS 12XB | 43 +2 | 0.243 +0.03 | 78 +8 | 6 +0.3 | 97.7 +1 | close | + | |
| RCF LF12P903 | 47 +6 | 0.23 +0.01 | 65 -5 | 7 +1.3 | 97.8 +1.1 | close | + | |
| RCF L 12N301 | 48 +7 | 0.213 = | 70 = | 5 -0.7 | 99.1 +2.4 | close | Xmax 5 mm < 5.7 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 4400Nd →
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.