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Building a Great Sounding DAC with a Little Help from My Friends
Les Bordelon has been building renowned designer and author Erno Borbely's designs for many years. Using his accumulated experience and knowledge he now, in...
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Revisiting the SIT Nemesis
Lennart Jarlevang gets his hands on the best of two world: a pair of massive single-ended transformers from a vintage Hiraga-designed Nemesis amplifier and a pair of...
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Static Induction Transistors
Static Induction Transistors are remarkably like triodes, both in electrical characteristics and sound character. There was a brief period when Sony and Yamaha...
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Towards a reconciliation of measurements with listening tests
Standard THD measurements give a clear indication of amplifier linearity for the signals with which it is measured. Curiously, however, very often THD performance...
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The Glowing NoiseMaker - On the demystification of triode noise
Burkhard makes the observation that the audio designer, when it comes to noise performance of his triodes, often has incomplete, contradicting or even missing...
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A Tube based Phono Preamplifier
Since noise is always a very important factor in phono preamp designs, Marcel gives it much attention. He compares several tubes in this regards, giving methods for...
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Supply Decoupling – Finesse before Brute Force
In this installment of his regular The Way I see it column, Stan Curtis makes the point that the indiscriminate adding of more and more decoupling caps to a power...
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Operational Amplifier Noise - Techniques and Tips for Analyzing and Reducing Noise
Operational Amplifier Noise - Techniques and Tips for Analyzing and Reducing Noise Ovidiu Popa Ovidiu Popa reviews a book by Texas Instruments engineer Art Kay on the...
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Rectifier ringing and snubbers
Morgan Jones Look inside almost any piece of commercial equipment having a linear power supply and you will find small capacitors across the rectifier diodes. Those...
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Interconnections in Audio
Erik Margan has long realized that a cable is a potential source of trouble interconnecting two other potential sources of trouble. In this article, he explores...
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