The ES07 is a 2-pole state-variable filter with 12dB/octave slopes on the LOWPASS and HIGHPASS outputs and a 6dB/octave slope on the BANDPASS output.
The ES07 does not self oscillate.
By turning up the "Q" resonance control, the filter can used as a percussion sound generator - xylophone, wood block, drum, bell, gong, vibraphone.
It can also be adjusted to track to play tunes, etc.
It does not have a 1V/Octave input but does have a scalable CV input.
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