R-150/R-300/R-500 Reference Series Amplifier
4. Input Attenuators
These are detented controls for regulating each channel’s input level. Clockwise
rotation increases gain.
5. Handles
Use these handles to easily move the amplifier.
6. Clip Indicators
The red CLIP LED indicates an excessive output level, lighting when distortion
reaches approximately 1%. Do not operate the unit with the CLIP LED steadily
illuminated.
7. Output Level Indicators
The LEVEL LED indicates the amplifier’s output status, lighting when audio signal
reaches –15dB.
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