History of the AHB2 Power Amplifier
For many years, we used our distribution amplifiers to drive the speakers in our listening room. We couldn't buy an amplifier that came close to th...
Audio Application Notes
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The A.H.B. Story
The AHB2 power amplifier is named in honor of Benchmark's founder, Allen H. Burdick. Allen had a life-long passion for audio, and became one of the...
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Made in USA - A Video Tour of Benchmark's Manufacturing Operations
Since 1983, Benchmark products have been designed, assembled, and tested in the USA. Our products are now shipped to every continent, but we are fi...
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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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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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Will the HPA2 Drive My Headphones?
Benchmark DAC1, DAC2 and DAC3 converters are equipped with Benchmark’s HPA2 headphone power amplifier. It is capable of driving a wide variety of h...
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Audio Myth -"DSD Provides a Direct Stream from A/D to D/A"
This myth goes something like this: "DSD provides a simple and direct digital path between the A/D and D/A, and DSD is simpler than PCM" - False! ...
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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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The Audio Path in Consumer-Grade Audio Products
Explore the differences between consumer and professional audio products. Consumer products are usually packed with features but they often fall sh...
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Creating a High-Resolution 5.1 Music Server
Blu-ray disks may seem like an ideal solution for the distribution of high-resolution audio, but there are problems. It is not easy to gain access ...
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High-Resolution Audio - Sample Rate
Digital recordings are available in a variety of sample rates. What are the advantages of higher sample rates? How high a sample rate do we really ...
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High-Resolution Audio - Bit Depth
We now have 16-bit CDs and 24-bit high-resolution recordings available to us. What are the advantages of a 24-bit word length? Are 24-bit recording...
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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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Jitter in A/D Converters
All A/D converters have two forms of jitter: Conversion clock jitter, and interface jitter. These two forms of jitter are very different and have ...
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