Has anybody ever experimented with this tube EQ device?
Why would this equalizer need to use negative feedback? To reduce whatever distortion is created by the built-in tube amplifier which offsets line level signal loss through the passive EQ?
Manley Mid Frequency EQ — Manley Laboratories, Inc.
Manley's single channel Mid Frequency EQ is the secret weapon for vocal, guitar, snare and all the other midrange instruments that are the meat of the mix.
www.manley.com
Why would this equalizer need to use negative feedback? To reduce whatever distortion is created by the built-in tube amplifier which offsets line level signal loss through the passive EQ?