John Siau on DACs and Measurements - SoundStage! Network - Podcast
In this interview, John Siau shares a few thoughts about his career history, the secrets sauce in Benchmark converters, and the importance of meas...
Audio Application Notes
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How Loud is the Distortion from Your Power Amplifier?
Would you put a washing machine in your listening room? If the answer is no, you may be surprised to discover that the distortion produced by your ...
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Interpolator Overload Distortion
Most digital playback devices include digital interpolators. These interpolators increase the sample rate of the incoming audio to improve the perf...
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Audiophile Snake Oil
Audiophiles live in the wild west. $495 will buy an "audiophile fuse", $10,000 will buy a set of "audiophile speaker cables". A top-of-the line po...
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Making Sound with Plasma - Hill Plasmatronics Tweeter
At the 2023 AXPONA show in Chicago, I had the opportunity to see and hear the Hill Plasmatronics tweeter. I also had the great pleasure of meeting ...
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Audio Calculators
We have added an "Audio Calculators" section to our webpage. Click "Calculators" on the top menu to see more like these: ...
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System Performance Calculations
If an audio system is composed of multiple components, we may have detailed specifications for each component, but we will not know the perform...
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Secrets Q&A with John Siau of Benchmark Media Systems
Secrets contributor Sumit Chawla recently caught up with Benchmark’s VP and Chief Designer, John Siau to get a little more in-depth on several subj...
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Listening vs. Measuring
At Benchmark, listening is the final exam that determines if a design passes from engineering to production. When all of the measurements show that...
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TAS interviews John Siau
Paul Seydor of The Absolute Sound interviews John Siau, VP and chief designer at Benchmark Media Systems. The interview accompanies Paul's review ...
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REL Subwoofers with AHB2 Power Amplifier
Many Benchmark customers are using their AHB2 power amplifiers with REL subwoofers. This application note shows how to connect one or two AHB2 ampl...
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Audio Myth - "Damping Factor Isn't Much of a Factor"
Myth - "Damping factor isn't important" Myth - "A damping factor of 10 is high enough" Myth - "All amplifiers have a high-enough damping factor" Wh...
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COVID-19 ... Don't just survive!
A Week Ago, Life was Normal How fast things can change! It is March 23, 2020 and we are currently battling the worldwide COVID-19 pandemic. This ap...
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Rules of Thumb for Music and Audio
As an engineer I like to use "rules of thumb" to make quick estimates that help to explain the physical world around me. These rules of thumb are e...
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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 ...
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Balanced vs. Unbalanced Analog Interfaces
For analog audio, balanced XLR interfaces are vastly superior to unbalanced RCA interfaces. If you look at the back of any Benchmark product, you w...
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Relay-Controlled Volume - The Ultimate Solution for Analog Audio
Benchmark has introduced a new analog volume control circuit that features a 256-step relay-controlled attenuator and a 16-step relay-controlled bo...
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Laboratory Use of the Benchmark AHB2 Power Amplifier
SEAS, a well-known manufacturer of high-quality loudspeakers, selected the Benchmark AHB2 as a key component for use in testing loudspeakers. They ...
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