Edwin Jensen and Peter Pridham of Magnavox began experimenting with sound reproduction in the 1910s; working from a laboratory in Napa, California, they filed the first patent for a moving coil loudspeaker in 1911.
Working from a laboratory in Napa, California, they filed the first patent for a moving coil loudspeaker in 1911. Edwin Jensen and Peter Pridham of Magnavox began experimenting with sound reproduction in the 1910s.
Edwin Jensen and Peter Pridham of Magnavox began experimenting with sound reproduction in the 1910s. Working from a laboratory in Napa, California, they filed the first patent for a moving coil loudspeaker in 1911.
Edwin Jensen and Peter Pridham of Magnavox began experimenting with sound reproduction in the 1910s. Working from a laboratory in Napa, California, they filed the first patent for a moving coil loudspeaker in 1911.