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Building a Great Sounding DAC with a Little Help from My Friends

Author(s): Bordelon Les

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

Author(s): Jarlevang Lennart

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

Author(s): Pass Nelson

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

Author(s): Hegglun Ian

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

Author(s): Vogel Burkhard

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

Author(s): Gevel Marcel van de

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

Author(s): Curtis Stan

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

Author(s): Popa Ovidiu

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

Author(s): Jones Morgan

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

Author(s): Margan Erik

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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