This post explains for the amplifier.
The Part Number is AN7062. The Package is DIP 18 Pin Type.
The function of this semiconductor is High Voltage Input Amplifier IC.
Preview images :
This is High Voltage Input Amplifier Circuit for Hi-Fi Power Amplifier.
The AN7062 is a high voltage integrated circuit designed for pre-driver of 60W-class Hi-Fi audio amp.
Stereo operation is enabled due to two amplifiers built-in.
This integrated circuits designed to handle input signals with voltage levels significantly higher than the standard operating range of typical operational amplifiers. These specialized ICs are used in applications where signal conditioning or amplification of high-voltage signals is required.
1. High voltage
2. Low noise : Vni = 2.5μV (typ.)
3. Low distortion : THD = 0.003% (typ.)
4. Good channel separation
5. Wide operating supply voltage range
AN7062 PDF Datasheet
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