Assembled Clone NAIM NAC42.5 Preamplifier Circuit HiFi Stereo Home Audio Pre-Amplifier Board

About this item Based on the NAIM NAC42.5 preamplifier circuit. Voltage gain amplification factor: 8 times THD+N<0.05% Frequency response: 20HZ-20KHZ -0.2 DB Input impedance: 330K Static working current: 22MA Power supply range: AC single 24V to AC single 34V PCB size: 62 * 82MM