As the price points come down so do the materials, and the KFC series from Kenwood shows that you can use non-exotic materials and still get good sound.
The midwoofer for this set uses a stamped steel basket, which reduces cost, but the cone is titanium coated to add rigidity and is suspended using a rubber surround.
Kenwood uses a smaller tweeter than the rest in my list, but the overall sound is good and thus puts the KFC series fifth on my list.
