All articles

A New Low-Noise Circuit Approach for Pentodes

Author(s): Blöhbaum Frank

In the tube world, it is taken for granted that if you want a low noise amplifier you don't use a penthode; penthodes have higher noise and more 3rd harmonic...

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Down the Rabbit Hole - Adventures in the Land of Phonostages

Author(s): Gerhard Joachim

Vol 0 Down the Rabbit Hole - Adventures in the Land of Phonostages Joachim Gerhard When prolific designer Joachim Gerhard puts his teeth into something, he will get...

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Letter to the Editor Dave Kimber

Letter to the Editor Dave Kimber and Burkhard Vogel. Burkhard Vogel and Dave Kimber commented on Frank Blöhbaums article in Vol 0 A New Low-Noise circuit...

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Letter to the Editor Burkhard Vogel

Author(s): Vogel Burkhard

Letter to the Editor Burkhard Vogel Burkhard Vogel comments on two articles in Vol 0: Frank Blöhbaums A New Low-Noise circuit approach for Pentodes; Joachim Gerhards...

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On the Noise performance of Low Noise Input Stages

Author(s): Popa Ovidiu

Low noise input stages are widely used in audio equipment, in particular for Moving Magnet (MM) and Moving Coil (MC) cartridges. An existing quality MM preamplifier...

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Low-noise Microphone Preamplifiers

Author(s): Wurcer Scott

Scott Wurcer provides an in-dept analysis of what it takes to build a state of the art mic preamp. An extensive discussion on the noise characteristics of mic...

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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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The G Word, or How to Get Your Audio off the Ground

Author(s): Putzeys Bruno

Bruno Putzeys maintains that one of the causes for many, many ground problems in audio is the (subconscious) way of thinking of voltages as being a property of a...

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Introduction to noise

Author(s): Quan Ronald

Noise in audio circuits hampers the ability to listen to low level details in the signal. In particular, it degrades S/N ratio in low level signal circuits such as...

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A Poor Man's Measurement Amplifier

Author(s): Vogel Burkhard

Every audio designer finds himself eventually in the situation that he needs a very low noise preamplifier to interface between the tiny circuit signals and his test...

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