Here you can see, what a Beovision Avant was going thru of different tests. (Go to the website, select: "Old factory" and see the video: "Test of video products") If an Avant can go thru that, then I also think your Pentas can!
Best Regards
Loudspeaker
I was borned with a Beolink 1000 in my hand!
Ever seen a Beomaster 6001? I have one! Look here.
Main system: Beovision AV9000, Beocenter 2300, Beosystem 3500, Beolab Penta MKIII, Beolab 3000, Beogram 6500, Beolink 1000, Beolink 5000, Beolink 7000
Wish list: Beolab 2,