Just as you know, I a audiophile do like vocal pieces very much, then mid range and upper bass become a challenge to me. tube ampilifier will be a reasonable choice.

• 客厅的摆设，和音响共用的情况，我想有很多人有类似的经验，真的幸运拥有一间完美比例的独立音响室，对目前的我来说，还是相当困难。