UltraLockDDS™ Clock System
UltraLockDDS™ - A Low-Jitter Direct-Digital-Synthesis Clock System The ADC16 is equipped with Benchmark’s new UltraLockDDS™ clock system. This syst...
Audio Application Notes
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The Unique Evils of Digital Audio and How to Defeat Them
Eliminating Digital Artifacts Is digital audio fundamentally flawed? Have we followed the wrong path since the introduction of the CD in 1982? Sho...
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DAC1 Solves Jitter Problems in CD Players with Pitch Control
Benchmark DAC Removes Jitter Caused by Pitch-Control Variable-pitch features add versatility to CD players. Unfortunately, these features usually ...
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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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Volume Control Technologies
Fix the Weakest Link in the Audio Chain! A playback system's volume control is often one of the weakest links in the audio chain. This is especiall...
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Jitter and its Effects
By John Siau and Allen H. Burdick This paper addresses these questions: How and where do I measure jitter, and how do I eliminate it? How does s...
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The "0-Ohm" Headphone Amplifier
An Introduction to "The 0-Ohm Headphone Amplifier" White Paper The circuits used to drive headphones are often added to a product without careful c...
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Using the MPS-420 - One Engineer's Experience
By Alan Silver President, Connoisseur Society, Inc. New York, NY In 1984 I was offered the opportunity to record the legendary jazz pianist, John L...
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Measuring Mic-Preamp Noise
By Allen H. Burdick To perform valid noise level measurements, two specific conditions must be established: A 150 Ohm source impedance A 20 kHz me...
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Is Your Mic-Pre Clean Past 30 kHz?
By Allen H. Burdick Who Should Care? You Should Care! High-Frequency Intermodulation Distortion is a Critical Mic-Pre Parameter! The mic-pre functi...
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Word-Length Reduction of Digital Audio
Benchmark NN™ and NS™ Word Length Reduction Systems The AD2404-96 and the SONIC AD2K+ are equipped with two state-of-the-art world-length reductio...
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A Clean Audio Installation Guide™
Benchmark's "Clean Audio Installation Guide™" "Required Reading!" By Allen H. Burdick This 24 page guide has been very popular. It has been haile...
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Building an Audio MicroScope™
By Allen H. Burdick Two inexpensive jack-mounted products from Benchmark Media Systems can be assembled into a very powerful test set we call The A...
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Building the L-R Null Test Set
By Allen H. Burdick In the process of broadcast matrix encoding and decoding, balancing amplitudes between the two channels of a stereo audio path ...
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Using the HPA-1 as a Long-Lines Driver
By Allen H. Burdick The high current output configuration of the HPA-1 is ideal for use as a transformerless long lines driver. Conversion of the u...
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Metering 70 Volt Lines
By Allen H. Burdick A 70 Volt Meter Attenuator for Sound Reinforcement It is often desirable to monitor the levels on distributed audio PA speaker ...
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Mix-Minus Applications
By Allen H. Burdick Radio talk shows are currently enjoying unprecedented success. If your station has plans to add a talkshow, you will face the p...
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When is a DA not a DA?
The Role of an Audio Distribution Amplifier in Professional Audio Systems Let's face it, an Audio Distribution Amplifier (DA) is not absolutely nec...
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