Classic Putnam 610 console mic preamplifier and DI Legendary all-tube sound, at a project studio price Gain, Level, and Impedance selection for maximum tonal variety Portable design for studio, desktop or stage Rugged construction-steel chassis DI features include Thru and Mic/Line level output Hand-built in USA; backed by 1-year limited warranty
Input Impedance
Mic Input - Selectable 450 ohms (Lo-Z) or 1.6 kilohms (Hi-Z)
DI Input - Selectable 2.2 megohms (Lo-Z) or 50 kilohms (Hi-Z)