Used 1979 V1 Deluxe Electric Mistress in very good condition. All the warm flange is happening with this unit as we tested it and it sounds swishy.
About the Deluxe Electric Mistress:
The Electro-Harmonix Deluxe Electric Mistress is a flanger pedal featuring a noise filter to eliminate some of the noise found on the original Electric Mistress. It offers knobs controlling the Color, Range, and Rate, as well as separate Dry and Wet outputs.