Class H Amplifiers
Class H amplifiers enhance efficiency by modulating their supply voltage in response to the audio signal, reducing power loss and heat generation.
Voltage Rail Switching
These amplifiers utilize a rail switching technique to dynamically adjust the supply voltage between multiple levels, following the waveform's amplitude.
Improved Power Efficiency
By minimizing the voltage drop across the output transistors, Class H amplifiers achieve power efficiencies nearing 80%, surpassing Class AB counterparts.
Complex Circuit Designs
Class H topology is intricate, involving several components for voltage tracking and switching, making them more complex than traditional amplifier classes.
Applications in PA Systems
Their high efficiency and reduced heat dissipation make Class H amplifiers ideal for professional audio and public address systems.
Efficiency Record Holder
Class H amplifiers once achieved over 90% efficiency in lab conditions, a record-breaking feat in the amplifier world.