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 ...
Audio Application Notes
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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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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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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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Power Amplifiers - A "First Watt" ABX Test
Using a double-blind ABX test, we verified that there was a clearly audible difference between two amplifiers at an output level of just 0.01 watt.
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Benchmark ... The Measure of Excellence®
A benchmark is a standard or point of measurement to which other things can be compared. As our name implies, we are committed to excellence. Our p...
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AHB2 Crossover Distortion Measurements
These measurements and scope photos demonstrate the effectiveness of the feedforward system in the AHB2. From the first Watt to the last Watt, the ...
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Amplifier Crossover Distortion
Most audio power amplifiers suffer from a defect known as "crossover distortion". This distortion is particularly troublesome at low output levels....
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How Should I Buy an Audio System?
Buying an audio product is much like buying a car. Some products are designed for performance and others are designed for comfort. Cadillac or Pors...
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Benchmark DAC2 vs. DAC1 - Is There an Audible Difference?
Many people have asked if the DAC2 sounds better or different than the DAC1. This paper examines the subtle audible differences between the DAC1 an...
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The AHB2 - A Radical Approach to Audio Power Amplification
Radical! The performance of the AHB2 would not have been achievable without taking a radical approach to power amplification. In many ways, the A...
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