Электроника Фазер-2 гитарный эффект, арт. 2110р | Electronica Fazer-2, July 1983, made in USSR

Link: cheesyguitars

Fuzz/Vibrato effect from the older Electronika line. Made in USSR in the late 70's.

The controls knobs are labelled 'speed' and 'resonance', and the switch has 'fazer' and 'vibrato' positions. The jacks on the right side are in and out, and the left side features external power supply input.