Elka F000445
March 8, 2025
The ELKA F000445 is a flute filter.
I was able to find references to these parts being used in the Elka Artist 707 or the X55.
In the Artist 707, 7 different variants of this circuit have been used 3 times each for a total of 21 of these PCBs in each instrument.
In the X55, 14 different have been used
PCB
Schematic