🎵 Stage Tech
Active vs Passive DI Box Rule of Thumb
Passive DI Boxes: Ideal for high-output active instruments (keyboards, active bass guitars).
Active DI Boxes: Ideal for low-output passive instruments (passive bass, acoustic guitar piezo pickups).
Solving AC Hum with Ground Lift
Flicking the Ground Lift switch disconnects pin 1 earth ground to instantly eliminate 50Hz AC hum caused by venue electrical ground loops!
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