Audio Myth - "Switching Power Supplies are Noisy"
In audio systems, switching power supplies can be much quieter than linear power supplies. The secret to this difference is hidden in the magnetic ...
Audio Application Notes
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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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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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The Importance of Star-Quad Microphone Cable
Star-Quad Microphone Cable can reduce magnetic interference by at least 20 to 30 dB when compared to standard 2-wire cable. The 4-wire star geometr...
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Benchmark DAC2 vs. DAC1 - Side-by-Side Measurements
Travel through 10 years of audio technology, learn the significance of audio measurements, and see what has improved in our quest for transparent a...
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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 HPA2™ Headphone Power Amplifier
Many Benchmark products include our HPA2™ headphone amplifier. Unlike most headphone amplifiers, the HPA2™ is actually a small power amplifier. Why...
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Box-to-Box Phase Accuracy of Benchmark DAC1 and DAC2 Converters
Phase Accurate Multi-Channel D/A Conversion - Using Multiple DAC1 or DAC2 Converters Two or more Benchmark DAC1 or DAC2 converters can be use...
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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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The CE Mark - A Photo-Tour of Immunity Testing
Testing for Immunity to Interference Most people have seen the CE mark on electronic equipment, but few have had the opportunity to witness the ...
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The CE Mark - What Does it Mean, and Why Should I Care?
Why is the CE Mark Important? Many electronic products have a "CE" mark affixed to the product. This mark is mandatory in European markets, but i...
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Headphone Amplifiers - Part 2
It's all about control! - Headphone Output Impedance The movement of headphone transducers must be well controlled in order to produce high-quality...
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Headphone Amplifiers - Part 1
Headphones do not Behave Like a Resistor - Beware of Misleading Specifications! A couple years ago, some of us at Benchmark noticed a weird discre...
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An Examination of Headphone Amplifier Performance Specifications
Headphone Amplifier Whitepaper Recording Engineers and Audiophiles often distrust audio measurements and specifications. It is not uncommon to he...
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Asynchronous Upsampling to 110 kHz
The Advantages of Asynchronous Upsampling D/A Converters Benchmark DAC1 converters use upsampling techniques to improve the quality of the digital...
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