Tube preamp Marantz 7c, kit,
made in Belgrade, Srbija, IkaP Acoustic & Comps!
-Circuit design based on classic Marantz 7c preamp.
-Circuit using two 12AX7, anode followers and one 12AU7, to lower the output impedance, a cathode follower is used.
-A tube high voltage regulator and rectify using EZ80 and ECL86, with time delay circuit.
-A heater voltage regulator, using Schottky smd diodes and LM2940, with coupling Low Esr capacitors, metal film and SMD, non inductive resistors.