Quote:
SteveCallas wrote:
 If a driver is designed to work best in a small sealed enclosure, that typically means it has a very low Qts, which means it won't work well in a large ported design, as the low end will be way too peaky. If you make the enclosure just the right size for a low frequency tuning, you end up with not enough volume to use proper porting. |
Actually, if my analogy with the car version of W7's is right, then Qts isn't that small at all - 0,448. I could guess its a little over 100L VAS is no good for ''real'' LLT, but simulations shows pretty good results in let's say 150L. In this case Fb could be 20 or even less Hz and the graphs looks good, no peakyness. The port area I think would be almost enough while keeping the first port resonance high enough not to be a concern.
The only thing I have doubts about is the acceptable level of GD.
I'll do some modeling to check again if the old calculations I've done for this driver confirm my thoughs above.