John Siau on DACs and Measurements - SoundStage! Network - Podcast
Host Jorden Guth and producer Dennis Burger are joined by John Siau as he shares a few thoughts about his career history, the secrets sauce in Benc...
Video Tutorials
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Digital Audio Tutorial - Monty Montgomery
Monty Montgomery takes us into the lab and uses a series of simple demonstrations to bust some very common myths about digital audio. Test your kno...
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DAC Filters - Live Bench Demonstration
In this video, John Siau passes analog waveforms through pairs of A/D and D/A converters in a live bench demonstration to see which ones preserve t...
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How Loud is the Distortion from Your Power Amplifier?
In this video, John Siau extracts the data from the published test results of 7 top-rated audiophile power amplifiers. Hidden within the THD+N vs. ...
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Feed-Forward Correction Explained!
Benchmark's AHB2 power amplifier has a unique feedforward error correction system that cancels distortion before it reaches the speaker terminals. ...
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What is the Purpose of an FFT in Audio Measurements?
An FFT analyzer is like an audio microscope. It allows us to easily measure the frequency and amplitude of tones that are below the level of the no...
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Setting Proper System Gain for Optimized Audio Performance
Are You Driving Your Audio System in the "Wrong Gear"? A race car produces peak power when the transmission is in the proper gear. Likewise, an aud...
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Intersample Clipping - A Problem with Most Digital Playback Systems?
Oversampled sigma-delta D/A converters and fixed-point sample rate converters can add significant amounts of distortion when playing CD-format reco...
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Benchmark Discusses What Makes a Good Preamp
Our goal was to produce an analog volume control with the highest achievable transparency. We wanted to be able to place this volume control in fro...
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Benchmark AHB2: A Radically Different Power Amplifier
Benchmark's AHB2 is radically different from every other audio power amplifier on the market. It delivers the lowest distortion and lowest noise of...
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Star Quad Cable Demonstration - Video
This video demonstrates the magnetic immunity of star-quad cable. It also shows how standard cables have no immunity to magnetic interference. You ...
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