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The famous 47 amp. Personally, it sounds quite clean (if I use 5532, 4558 is too muddy). When I get rich, I'll buy a better op amp and listen...

Personally, I like the feeling of being clear and translucent, with clean and sharp edges. There are still some shortcomings in this circuit, after all, it is simple.

Version 4

Form Specifications: Iris Cube Basic Loli ( https://oshwhub.com/Iris-Cube/ICBasic )

After the ICBLoli shape was established, I found the original project and compressed it again, which is the current version.

4.2 update description: Optimized wiring, added two green wave electric dragons, and now the wiring is very symmetrical (the picture above is version 4.1

Version 3

Form factor: Iris Cube Basic Small ( https://oshwhub.com/Iris-Cube/ICBasic )

The project was redrawn to accommodate the Iris Cube's new audio interface layout specifications, using audiophile capacitors and expensive resistors. Psychological effects++

version 1

Form factor: Iris Cube Basic Small ( https://oshwhub.com/Iris-Cube/ICBasic )

For my second board, I tried drawing out a little ground.