This thread documents construction of the EEQ-12 Elliptic Equalizer.
EEQ-12 Elliptic EQ web page: http://www.ka-electronics.com/kaelectro ... tic_EQ.htm
EEQ-12 Boards are available here: https://www.etsy.com/listing/565968741/ ... e_active_1
Sheet 1: http://www.ka-electronics.com/images/pn ... heet_1.png
Sheet 2: http://www.ka-electronics.com/images/pn ... heet_2.png
Mouser Project Manager BOM for the EEQ-12 Elliptic Equalizer 12V Relays: https://www.mouser.com/ProjectManager/P ... f06782454f (includes THAT and NJR ICs)
Mouser Project Manager BOM for the EEQ-12 Elliptic Equalizer 24V Relays: https://www.mouser.com/ProjectManager/P ... 470f9f152e
(includes THAT and NJR ICs)
24V relays are recommended if the available relay supply is >24V or the relays are powered from the +/-15V audio supplies.
Board Stuffing Diagram:
http://www.proaudiodesignforum.com/imag ... ut_800.jpg
Preliminary Assembly Instructions:
http://www.ka-electronics.com/images/pd ... 2317_1.pdf
Construction information for DIY projects, including the MS Mid Side Matrix, Width Controller, Phono Transfer System, Insert Switcher and the Dual Class-A Amplifier. You can post your baby pictures here.
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