Crown Audio by Harman

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What is TLC?

TLC, Thermal Limit Control, is used in some Crown amplifiers to provide the amp thermal protection, when a predetermined temperature threshold is reached, the TLC light(s) will begin to glow. This means the temperature sensing circuitry is starting to engage the input compressor. By compressing the input, the amplifier will not generate as much heat and will have a chance to cool down. The degree of compression is directly proportional to the amount of overheating experienced by the amplifier.