I did business several years back wih Community Audio on Germantown Ave in Chestnut Hill. John spent a lot of time listening to music with me and my wife. He respected the budget I had to work with and loaned me an amp to try at home. If I lived near there now, I'd do business with him again.
http://www.commaudio.com/about_us.html
http://www.commaudio.com/about_us.html