PHL Audio 3821
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 54 Hz |
| Qts | 0.183 |
| Qes | 0.19 |
| Qms | 4.8 |
| Vas | 28 L |
| Sd | 356 cm² |
| Xmax | 3.6 mm |
| Re | 5 Ω |
| Bl | 22.2 T·m |
| Mms | 55.1 g |
| Pe | 400 W |
| Sensitivity | 97.7 dB |
Alignment hint
| EBP | 284 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 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 |
|---|---|---|---|---|---|---|---|---|
| PHL Audio 3820 | 54 = | 0.183 = | 28 = | 3.6 = | 97.7 = | close | + | |
| DAS Audio 10B | 59 +5 | 0.186 = | 28 = | 3.4 -0.2 | 98.4 +0.7 | close | Xmax 3.4 mm < 3.6 mm: lower excursion-limited SPL | + |
| B&C 10 PLB 76 | 52 -2 | 0.189 +0.01 | 31 +3 | 4.3 +0.7 | 97.6 -0.1 | close | + | |
| B&C 10PLB76 | 52 -2 | 0.19 +0.01 | 31 +3 | 6 +2.4 | 95.2 -2.5 | close | + | |
| JBL 2251J | 61 +7 | 0.2 +0.02 | 28.6 +0.6 | 4.1 +0.5 | 94.9 -2.8 | close | 16 Ω vs 8 Ω: amp load changes | + |
| PHL Audio 3840 | 62 +8 | 0.21 +0.03 | 28 = | 3.1 -0.5 | 98.3 +0.6 | usable | 300 W vs 400 W: lower power handling · Xmax 3.1 mm < 3.6 mm: lower excursion-limited SPL | + |
| 18 Sound 10NTLW2000 | 57 +3 | 0.22 +0.04 | 31 +3 | 4.4 +0.8 | 98.5 +0.8 | usable | + | |
| JBL 2012H | 61 +7 | 0.209 +0.03 | 31 +3 | 3.8 +0.2 | 99.3 +1.6 | usable | 300 W vs 400 W: lower power handling | + |
| PHL Audio 3490 | 54 = | 0.258 +0.08 | 28 = | 4.2 +0.6 | 96.9 -0.8 | usable | 300 W vs 400 W: lower power handling | + |
| RCF MB10N305 | 60 +6 | 0.226 +0.04 | 31 +3 | 4.6 +1 | 98 +0.3 | usable | + |
Compare the closest 3 against the 3821 →
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.