Audax HD38S100
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 15 Hz |
| Qts | 0.126 |
| Qes | 0.13 |
| Qms | 4.39 |
| Vas | 941.7 L |
| Sd | 880 cm² |
| Xmax | 3.5 mm |
| Re | 5.5 Ω |
| Bl | 22.7 T·m |
| Mms | 129.8 g |
| Pe | 200 W |
| Sensitivity | 97.5 dB |
Alignment hint
| EBP | 115 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 30.9 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 |
|---|---|---|---|---|---|---|---|---|
| Fertin Acoustics 38EX-12.5 V | 20 +5 | 0.125 = | 935 -6.7 | 3 -0.5 | 101.6 +4.1 | usable | 80 W vs 200 W: lower power handling · Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
| Tannoy HPD 385/8 | 14.7 -0.3 | 0.185 +0.06 | 830 -111.7 | 3 -0.5 | 95.3 -2.2 | usable | 85 W vs 200 W: lower power handling · Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
| Fertin Acoustics 38EX-10V | 20 +5 | 0.17 +0.04 | 935 -6.7 | 3 -0.5 | 100.2 +2.7 | usable | 80 W vs 200 W: lower power handling · Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
| EMS B15 MKII | 19 +4 | 0.167 +0.04 | 1094 +152.3 | 7 +3.5 | 99.3 +1.8 | usable | 100 W vs 200 W: lower power handling | + |
| EMS B15EX-12.5V | 22 +7 | 0.146 +0.02 | 791 -150.7 | 5.4 +1.9 | 100.4 +2.9 | usable | 100 W vs 200 W: lower power handling | + |
| Audax PR38SM250 | 19.5 +4.5 | 0.177 +0.05 | 660 -281.7 | 4 +0.5 | 97.7 +0.2 | usable | + | |
| Beyma 15B100R | 20 +5 | 0.14 +0.01 | 590 -351.7 | 3 -0.5 | 94.9 -2.6 | usable | 150 W vs 200 W: lower power handling · Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
| EMS B15 | 20 +5 | 0.085 -0.04 | 729 -212.7 | 3.9 +0.4 | 98.7 +1.2 | usable | 16 Ω vs 8 Ω: amp load changes · 100 W vs 200 W: lower power handling | + |
| JBL 136A | 16 +1 | 0.212 +0.09 | 736.2 -205.5 | 5.1 +1.6 | 94.4 -3.1 | usable | 100 W vs 200 W: lower power handling | + |
| JBL 2231A | 16 +1 | 0.212 +0.09 | 736.2 -205.5 | 5.1 +1.6 | 94.4 -3.1 | usable | 100 W vs 200 W: lower power handling | + |
Compare the closest 3 against the HD38S100 →
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.