What Is a Standby Transformer? Purpose, History and Technical Operation in Audio Amplifiers
What Is a Standby Transformer?
A standby transformer is a small power transformer used in audio amplifiers, AV receivers, home theatre systems, and other electronic equipment to keep essential low-power circuits running while the main power supply remains switched off. It allows devices to stay in standby mode, waiting for commands from the power button, remote control, timer, or network functions.
Without a standby transformer or standby power supply system, many modern amplifiers wou [...]
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