● Using audio ultra-low noise signal tube ● Using imported tantalum capacitors ● Input and output coupling capacitance ● The circuit adopts NAIM UK original circuit ● Using ONSEMI Motorola LM317T, a precision voltage reference source, and OSCON polymer semiconductor capacitors as decoupling filter capacitors, and then adding LC large-capacity inductance capacitors as secondary filters to effectively reduce power supply noise. ● The filter capacitor uses the original Panasonic FC black leather gold audio capacitor ● The signal coupling capacitor adopts straight tantalum capacitor imported from the United States.
Parameters:
● Power supply range: AC single 20V to AC single 24V. ● You can use dual 10V or dual 12V AC in series to get a single AC20V. ● SN》 100 DB ● PCB area is 65 * 87 MM ● Voltage gain magnification = 11 times ● THD + N <0.05% ● Frequency response = 20HZ-20KHZ -0.2 DB ● Input impedance 330K ● Static working current 22MA
