• Feed-Forward Error Correction

    Feed-Forward Error Correction

    The Benchmark AHB2 power amplifier and HPA4 headphone amplifier both feature feed-forward error correction. This correction system is an important ...

    John Siau
    Updated on
  • Power Amplifiers - A "First Watt" ABX Test

    Power Amplifiers - A "First Watt" ABX Test

     In Benchmark's listening room we recently demonstrated the importance of the first watt using two 100 watt stereo power amplifiers. One amplifier...

    John Siau
    Updated on
  • Benchmark AHB2 vs Competitor at 1 Watt - Output Waveforms

    AHB2 Crossover Distortion Measurements

    Crossover Distortion - Measurements The following measurements and scope photos demonstrate the effectiveness of the feedforward system in the AHB2...

    John Siau
    Updated on
  • Crossover Distortion Diagram

    Amplifier Crossover Distortion

    Crossover Distortion - Introduction  Most audio power amplifiers suffer from a defect known as "crossover distortion". This distortion is particula...

    John Siau
    Updated on
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Benchmark LA4, DAC3 B, and AHB2 on a rustic wooden rack.