SEAS 33F-WKA MINE
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 24.8 Hz |
| Qts | 0.236 |
| Qes | 0.25 |
| Qms | 4.12 |
| Vas | 206.1 L |
| Sd | 548.5 cm² |
| Xmax | 4.5 mm |
| Re | 5.8 Ω |
| Bl | 17.5 T·m |
| Mms | 84.4 g |
| Pe | 70 W |
| Sensitivity | 94.4 dB |
Alignment hint
| EBP | 99 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 25.8 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 |
|---|---|---|---|---|---|---|---|---|
| JBL 2214H | 23 -1.8 | 0.244 +0.01 | 223.7 +17.6 | 6.6 +2.1 | 93.9 -0.5 | close | + | |
| Fostex FW 305 | 25 +0.2 | 0.254 +0.02 | 254 +47.9 | 4.8 +0.3 | 94.3 -0.1 | close | + | |
| ATC SB75-314 SC | 23 -1.8 | 0.25 +0.01 | 245 +38.9 | 5 +0.5 | 93.7 -0.7 | close | + | |
| JBL 128-H vp ca2 | 21.6 -3.2 | 0.24 = | 214.6 +8.5 | 7.7 +3.2 | 93.1 -1.3 | close | + | |
| Fostex W 300 A | 25 +0.2 | 0.281 +0.05 | 227 +20.9 | 4.6 +0.1 | 93.4 -1 | close | 50 W vs 70 W: lower power handling | + |
| Fostex W 300 AII | 25 +0.2 | 0.281 +0.05 | 227 +20.9 | 4.6 +0.1 | 93.4 -1 | close | 50 W vs 70 W: lower power handling | + |
| JBL 252G | 23 -1.8 | 0.25 +0.01 | 178 -28.1 | 7 +2.5 | 93.8 -0.6 | close | + | |
| Audax PR330M0 v2014 | 26 +1.2 | 0.203 -0.03 | 208 +1.9 | 4 -0.5 | 95.6 +1.2 | close | Xmax 4 mm < 4.5 mm: lower excursion-limited SPL | + |
| JBL 128-H vp ca1 | 21.2 -3.6 | 0.233 = | 222.7 +16.6 | 7.8 +3.3 | 93.1 -1.3 | close | + | |
| AE Speakers TD12H | 26.7 +1.9 | 0.234 = | 160 -46.1 | 7 +2.5 | 93.7 -0.7 | close | + |
Compare the closest 3 against the 33F-WKA MINE →
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.