NE5532 designed HIFI headphone amplifier circuit diagram

This is a high-fidelity stereo headphone amplifier designed by Germans using NE5532. NE5532 is a HI-FI class preamplifier integrated circuit well known to audio enthusiasts. Its excellent sound quality performance is highly praised by audiophiles; although it uses It is powered by a single power supply, but the actual listening effect is still very good. Those who are interested may wish to give it a try.

The main parameters:

(1)Input impedance: 10K ohms

(2)Input level: 500mV-700mV

(3)Output impedance: 20-200 ohms

(4) Signal-to-noise ratio: 90dB

(5) Channel separation: >75dB

(6) Working power supply: 15V DC 200mA