Glensound GSOSC001 Variable Frequency Tone GeneratorA variable frequency tone generator for ident and general line up use. There are 2 fixed 1kHz analogue reference outputs, and 2 analogue outputs of the selected frequency. There is also a digital AES output of the selected frequency. Features Digital tone generator Two analogue outputs One digital AES output Two analogue fixed 1kHz outputs Variable frequency select Variable output level select Specifications Oscillator Frequencies: 40, 100, 1000,