Sorry I did not know you have tubes in the system - For near wall try my speakers - you need to use low powered low damping SET amps to get them at their best. Still I dislike suggesting a specific speaker brand in your case - I'd just do some reasearch for speakers effective near wall or in corners. This happens to be one - and they may not be your cup of tea. it's hard not to recommend our personal choices however. I like Dynaudio but they need about 3 feet to work best from what I heard.