Testing high-pass filter on piano with Klein & Hummel UE-100 vintage EQ

The Klein & Hummel UE-100 tube equalizer is a rare professional unit that has become known for its musically warm curves and precision. The very characteristic sound of this German technology marvel of the 60’s is just amazing, and here we want to give a … Continue readingTesting high-pass filter on piano with Klein & Hummel UE-100 vintage EQ