electromagnet

Tips to make a speaker without a magnet

In our daily lives we use magnets, from holding notes on a fridge to safely securing a safe or a cabinet handle. Electromagnet are particularly useful since an electric current can be turned on or off by manipulating the magnetic field. The attraction and repulsion between the two may cause movement or vibration when an…

sound systems

How about mono vs stereo sound

It is quite clear that everyone understands ‘mono’ and ‘stereo’ according to their own perceptions and aspirations. Translating the experience into a large venue such as a church or a theatre with domestic audio systems, also shifts conceptual thought, so that we still have a point of reference for the discussion of single-channel, stereo, and…