상황
A stereo line-level source feeds two isolated outputs per channel using 1:1 audio transformers, preventing ground loops between multiple amplifiers.
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01
Use 1:1 transformers per output to break ground loops
02
Keep secondary circuits floating to preserve galvanic isolation
03
Terminate each isolated output with a load resistor matching typical line impedance
Reuse for passive stereo distribution or isolating ground loops when driving multiple amplifiers, recorders, or powered speakers from a single line source.