This is the PCB of a stereo power amplifier using NS's renowned LM3886 power amplifier chip. The circuit contains a preamplifier stage. Either popular NE5532 or other high performance opamps can be used.
Product Specifications:
Output Power：68W x 2（4Ω）
Operating voltage :28V-0-28V
Operating type : Class AB type amplifier.
Input Impedance：47K
Output Impedance：4-8Ω
Features :
PCB size：117 mm x 95 mm; PCB thickness 1.6mm; 2 ounce thick copper plating.
This is a stereo amplifier.
We provide schematic and part list for this auction.
The assembled amplifier picture is attached for reference.
