Chandler Limited Germanium Pre Amp/DI (Requires PSU-1 Power Supply)Chandler's newest series of units starts off with the GERMANIUM pre amp. A completely new design that uses classic germanium transistors in all class A, transformer balanced, circuits. The use of germanium devices opens a whole new sound palate not found in any pro audio equipment currently manufactured. These incredibly smooth sounding transistors were the basis of the earliest transistor designs by Neve (1053, 1055, 1057), EMI ( TG12345 MKI),