Sounding board and Tape deck

Sounding board noun - A person whose reactions to something serve as an indication of its acceptability.

Tape deck and sounding board are semantically related. In some cases you can use "Tape deck" instead a noun phrase "Sounding board".

Tape deck noun - Electronic equipment for making or playing magnetic tapes (but without amplifiers or speakers); a component in an audio system.

Sounding board and tape deck are semantically related. You can use "Sounding board" instead a noun phrase "Tape deck".