For weeks, Edith Otto has been reliving memories from the years she and her husband, Jimmy, owned Laguna Beach’s iconic Sound Spectrum, a record store generations have browsed looking for classics and ...

Wave Baker, a longtime employee of Sound Spectrum, will tell anyone who listens that the place has “an energy of its own.” So when the Laguna Beach-based record shop, which opened on South Coast ...

James Wilcox got introduced to the iconic music store, the Sound Spectrum, on surfing trips to Laguna Beach. His sister, Audrey, tagged along, visiting the store in high school. Now she’s practically ...

This simple scheme is based on the circuit shown below (Figure 1) in my recent article [1]. Figure 1 Using common transistor optocoupler to achieve a tube-like sound. It is known that the main feature ...