Once when I was a little boy, I heard my uncle's equalizer which he build into his stereo. The sound was incredible, I still remember it till this day. Three potentiometers gave the sound that I've never heard before. I couldn't stop listening to the sound that his compact cassette payer made.
Full tube mastering equalizer
I asked my uncle for the diagram and he drew it with a pencil on a piece of paper. I quickly learned the scheme by heart and as an electronic engineer amateur, I repeatedly build the hi-fi amplifiers using the scheme. The EQ sounded implausible each time.
Tilt and 3 bands
After many years I decided to make a divide based on my uncle's scheme. I improved the arrangement by adding a transformer balanced tube stage. The Tilt turned out to be a cool addition too. This vintage circuit is very useful in any mastering application. I hope, you will feel the vibe of my uncle's old equalizer.
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