Whether you’re building a stereo audio system with a brand-new pair of bookshelf speakers or an old set salvaged from ... affordable integrated amps and receivers priced under $300.

Faced with an old console stereo from the 1960s that was barely functional, [Sherman Banks] aka W4ATL decided to upgrade its guts while keeping its appearance as close to the original as possible.

The little music receiver connects to a stereo receiver or amplifier (via ... Admittedly, there are a lot of Bluetooth music ...