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Biema Q400 Amplifier Schematic by Jane Todoroski is a document available to read on EtoBox.

1. The document appears to be a circuit diagram showing power supply components including capacitors, fuses, transformers, rectifiers and voltage regulators that provide various voltages including +150V, -150V, +32V, -32V, +15V and -15V. 2. Key components include four large capacitors connected to the +150V and -150V outputs, an AC input protected by a 10A 250V fuse, a voltage regulator chip to produce +32V and -32V, and another to produce +15V and -15V. 3. Test points are provided throughout the circuit

Author
Jane Todoroski
Language
EN