SEAS 33F-WK MH
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 21.6 Hz |
| Qts | 0.383 |
| Qes | 0.45 |
| Qms | 2.59 |
| Vas | 327.7 L |
| Sd | 548.7 cm² |
| Xmax | 5 mm |
| Re | 5.8 Ω |
| Bl | 11 T·m |
| Mms | 69.7 g |
| Pe | 80 W |
| Sensitivity | 92.1 dB |
Alignment hint
| EBP | 48 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 136.1 L |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| Wharfedale 3014 | 20.7 -0.9 | 0.342 -0.04 | 319.1 -8.6 | 8 +3 | 92.2 +0.1 | close | + | |
| Audiotechnology FLEXUNIT 12B775210KAP Custom | 19 -2.6 | 0.382 = | 340 +12.3 | 8.6 +3.6 | 91.2 -0.9 | close | + | |
| Davis 31ST12M v2009 | 22 +0.4 | 0.39 +0.01 | 398 +70.3 | 9 +4 | 91.8 -0.3 | close | + | |
| Audiotechnology FLEXUNIT 12D775210KAP Custom | 19 -2.6 | 0.388 +0.01 | 340 +12.3 | 8.6 +3.6 | 91.1 -1 | close | + | |
| Artech ART33.2 | 23 +1.4 | 0.335 -0.05 | 340 +12.3 | 7 +2 | 92.7 +0.6 | close | + | |
| Visaton W300S8 | 23 +1.4 | 0.335 -0.05 | 340 +12.3 | 7 +2 | 92.7 +0.6 | close | + | |
| Visaton WS300 | 22 +0.4 | 0.321 -0.06 | 340 +12.3 | 8 +3 | 92.5 +0.4 | close | + | |
| Siare 31C | 23.3 +1.7 | 0.358 -0.03 | 356.7 +29 | 4 -1 | 92.6 +0.5 | close | Xmax 4 mm < 5 mm: lower excursion-limited SPL | + |
| Davis 31ST12M | 24 +2.4 | 0.399 +0.02 | 260 -67.7 | 8.9 +3.9 | 91.6 -0.5 | usable | + | |
| Davis 31ST12M v2011 | 24 +2.4 | 0.399 +0.02 | 260 -67.7 | 8.9 +3.9 | 91.6 -0.5 | usable | + |
Compare the closest 3 against the 33F-WK MH →
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.