Running Voight pipes with FE166E fostex (and a tweeter on the rear side---the Rotel directly into a Sansui 500A (reconditioned) or a 240 Intergrated Pilot or and my main amp presently is a 3.5 SET DIY from abraxus audio --- Just bought a pair of fostex 168 sigma's to try in the pipes but bought them with the intent to build Heruka rear loaded horns also may try to mod the pipes for my 206's also-- had some guys over a few weeks back to ;hear the pipes and their feedback was encouraging---and one of the guys thought a Meridian CD player used was a good upgrade --I think he mentioned a 588 model---Jim