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Dual balanced Eurorack audio interface
di djlace
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This is a eurorack format high fidelity unbalanced to balanced audio interface designed around the THAT 1646 balancing driver IC. I have included the front panel, the schematic as a PDF and a gerber file of the pcb.
I needed to add a balancing audio output circuit to a dj highpass filter I am working on. I decided to make the testing ciruit in eurorack format so it's easy for me to test in my studio and so I could also publish the circuit as a useful eurorack synth device for others.
The schematic and gerber file I have included has passed my in house testing and I currently have the audio interface in my eurorack setup. I used easy eda & jlpcb for my boards and can't recommend them enough.
I used wima capacitors but the board is setup for regular ceramics, also although the electrolytic caps are polarized in the design sheet you should used non polarized electrolytic caps.
However my 3d printer is not the greatest in accuracy and I have to make the holes about .5 mil larg
I needed to add a balancing audio output circuit to a dj highpass filter I am working on. I decided to make the testing ciruit in eurorack format so it's easy for me to test in my studio and so I could also publish the circuit as a useful eurorack synth device for others.
The schematic and gerber file I have included has passed my in house testing and I currently have the audio interface in my eurorack setup. I used easy eda & jlpcb for my boards and can't recommend them enough.
I used wima capacitors but the board is setup for regular ceramics, also although the electrolytic caps are polarized in the design sheet you should used non polarized electrolytic caps.
However my 3d printer is not the greatest in accuracy and I have to make the holes about .5 mil larg
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