Preamplifier

The following articles were tagged with preamplifier:

• Mixer: main board
  The schematic and the printed circuit board for the main board of the single power supply modular audio mixer
  
• Mixer: line input board
  Schematic and printed circuit board for the line input board, part of the single supply modular audio mixer
  
• Mixer: mic input board
  Schematic and printed circuit board for the microphone preamplifier board, part of the single power supply modular audio mixer.