which amp should i buy

Hey there, I currently live in a very small apartment and am looking for a quality practice amp. Just to give you all an idea, my other amp is a Fender rumble 40, but it's too big and loud. The point is that it has to be fairly portable so that I can move it around the apartment easily and...

My choices for now are: Ampeg PF-350 Portaflex Head Hartke 2500 Bass Head (15kg) Kustom DE300 HD Head (16kg) I prefer something light so I leading towards the Ampeg. I spoke with a friend who is a sound engineer and he suggested me the Kustom because it has a tube. Also he suggested to buy...