HPA4 and LA4 Teardown
John Siau tears down a Benchmark HPA4 Headphone Amplifier and LA4 Line Amplifier to show us what is inside. Fully-balanced 256-step relay-controlle...
Video Tutorials
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AHB2 Teardown
John Siau tears down a Benchmark AHB2 power amplifier to show us what is inside. Discover why the AHB2 is radically different from other power ampl...
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How Much Power Do I Need? - Erin's Audio Corner
In this tutorial, Erin shows how to calculate the maximum sound pressure level (SPL) of your music system. He mentions Benchmark's calculators in 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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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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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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Connecting an AHB2 to REL Subwoofers
REL makes a series of subwoofers that use speaker-level inputs on SpeakON connectors. This video shows how these should be connected to an AHB2 pow...
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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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