John Siau Interview at CAF2025 - Carlo Lo Raso, SECRETS of Home Theater and High Fidelity
"I got a chance to sit down with John Siau, VP of Benchmark Media Systems, while at Capital Audiofest 2025. John talks to me about what makes the ...
Videos
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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!
Feed-Forward Error Correction Don't look back, the future is here! Benchmark's AHB2 power amplifier has a unique feedforward error correction syst...
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What is the Purpose of an FFT in Audio Measurements?
The FFT … an Audio Microscope. An FFT analyzer is like an audio microscope. It allows us to easily measure the frequency and amplitude of tones th...
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Don't Become a Victim of Audiophile "Wire Fraud"!
Don't Become a Victim of "Wire Fraud"! Beware of claims that sound too good to be true. Beware of pseudo-scientific language. Beware of any compan...
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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 au...
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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 rec...
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Benchmark Discusses What Makes a Good Preamp
An Impossible Engineering Task? Our goal was to produce an analog volume control with the highest achievable transparency. We wanted to be able to...
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Benchmark AHB2: A Radically Different Power Amplifier
The AHB2 - A Radical Approach to Audio Power Amplification Benchmark's AHB2 Power Amplifier is radically different from every other audio power am...
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Benchmark Media Virtual Press Event
An Introduction to Benchmark John Siau, VP and Director of Engineering, gives us an overview of his company, their design philosophy, and the pion...
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Benchmark Product Line - Video Tutorial
Which Benchmark products are right for me? Where do I start? Which model DAC should I buy? The Benchmark Product Line Benchmark manufactures DACs, ...
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Benchmark DAC3 Assembly Video - Made in USA
Made in USA Designed, assembled and tested in Syracuse, NY, USA. The DAC3 HGC is Benchmark's top-of-the-line digital to analog converter. Benchmark...
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Benchmark AHB2 Assembly Video - Made in USA
Made in the USA The Benchmark AHB2 is manufactured, tested, and shipped from our headquarters in Syracuse, NY, USA. Reliable by Design, Built with...
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Benchmark HPA4 Assembly Video - Made in USA
Made in the USA Benchmark products are designed, manufactured and shipped from our headquarters in Syracuse, NY, USA. Watch the final assembly and ...
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DAC2 and DAC3 Jumper Settings
Get the most out of your Benchmark DAC! There are some hidden features in the Benchmark DAC2 and DAC3 that can be enabled by moving some of the int...
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Preamplifier Compatibility Mode - Video Tutorial
If you are using a separate preamplifier with your Benchmark DAC, then this video is for you! Benchmark DACs Can Be Used With or Without a Separate...
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