Brand: Sonotone
The Sonotone 1P is an electronic oscillator designed for audio and communication applications. Its full name is Sonotone Model 1P Oscillator, and it was developed by the Sonotone Corporation in the mid-20th century. This oscillator operates using vacuum tube technology and is capable of producing sine, triangle, and square waveforms. It features adjustable frequency controls and output level adjustment, making it a versatile tool for a variety of audio and communication needs, including testing, repairs, and signal generation. The Sonotone 1P is a vintage equipment and collectors' item today, appreciated by hobbyists and audio enthusiasts for its unique sound and retro appeal.