Rolls MO2020se Test Tone Oscillator
Rolls MO2020se is a signal generator for electronic testing in the audio frequency range. It has XLR, RCA and 1/4 inch unbalanced sine wave outputs, and a 1/4 inch unbalanced square wave output. For external control or sweeping of the frequency range, a 1/4 inch VCO input is provided to receive 1.2 to 5 volts dc.