The CMOS Orchestra > 2021 > March
BBMIXER: a DIY Rotary Mixer

I finally got my DIY Rotary Mixer working, and I’m quite happy with it! It has 2 lines, a PFL, individual and Master gain, and a High-Pass filter for some isolator-like action.I also found some inexpensive backlit retro style analog Vu-Meters.All impedances are dealt with using TL072 op-amps. Here it is in action: My next step is adding one HP…
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