Original Bogen M330A Amplifier Operating Manual with Schematic

Original Bogen Model MX30A Instillation and Operating Manual Schematic Included

Original Bogen CHS-20A Amplifier Operating Manual with Schematic

Original Bogen MX30A Amplifier Operating Manual with Schematic

Original Bogen CHB 100 Amplifier Operating Manual with Schematic

Original Bogen CHS-35A Amplifier Operating Manual with Schematic -- CS2

Original Bogen LX60 Amplifier instruction Manual with Schematic -- CS2

Original Bogen LX60 Amplifier instruction Manual with Schematic -- CS1