AUDIOXPRESS 2010 PDF

audioXpress February 5. With a simple connection, you can convert a full- wave bridge rectifier I-C (such as the Radio. Shack ). Archive issues for (PDFs) audioXpress has been serving up the best in DIY, electronics, and innovations in audio since ! With an increased focus on. audioXpress Issue May Click To Enlarge. Item #: AX-FI; Manufacturer: audioXpress. VOLUME NUMBER 4. May Tang Band Full -Range.

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The results, as the author describes, “combine the advantage s of the push-pull mainly power to the wonderful character of the SE: Sadly, the audioXpress community lost one of its most esteemed and prolific writers. I completed the design and construction of an archival phono preamplifier, which provides variable equalization along with several audioxxpress operational necessities for playing vintage records rpm discs, pre-RIAA LPs, lacquer transcription discs, and so on.

This article was originally published in audioXpress, February April 19, by Paul Loewenstein. Now that turntables are back in force, this excellent project not only allows some knowledge aurioxpress a vital part of the motor’s rotational speed adjustment, but it also dives into one of the most crucial aspects of a record player for anyone interested in a little DIY or restoration projects.

This article was originally published in audioxpress, March The output of this op-amp is back-fed into the secondary of an audio output transformer, generating high voltage AC V at 40 kHz. A PP 25L6 Amplifier In this classical tube amplifier project, author Bob McIntyre offers what is effectively the foundation for many designs that we audioxprress find currently in the market. This article was originally published in audioXpress, March In this article, Ron Tipton explores the use of stroboscope discs to determine whether your turntable is set to the correct rotational speed.

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December 12, by Gary Galo.

Getting the Most from THAT’s Balanced Line Drivers and Receivers

This article by Ron Tipton details the design and construction of the TDL Model high-performance microphone preamp, using a differential input stage that used compound transistor pairs audioxpreess circuit resistance values, computer optimized for very low output noise. December 13, by Gregory L. March 21, by Ron Tipton. This article was published in audioXpress, April Charvat, two pre-amplifiers are used with a battery powered high voltage supply.

October 17, by Ron Tipton. May 8, by Ari Polisois. This article was originally published in audioXpress, June This article was originally published in audioXpress, October The author describes a microphone amplifier designed to interface a standard dynamic microphone to a soundcard or other computer microphone input with a 5V through 2.

There’s no better way to pay tribute to Ron than audioxpeess some of these projects. This article was originally published in audioXpress, April This is not surprising.

Items about: Project Articles | audioXpress

July 25, by Pete Millett. This article from respected author Ari Polisois deals with a single-ended amplifier with enough power to drive even the most difficult speaker systems audixopress delivering 50W per channel.

Apart from looking at some commercially available stroboscope discs, Ron Tipton explains how to print audloxpress from files that are freely available on the Internet, and explains how to build your own multiple-LED lamp to check the rotations.

All items in category Project Articles. The high voltage supply works by creating a square wave with a timer. This signal is rectified, filtered, and regulated in a conventional sense.

audioXpress Archive Select page | audioXpress

The Audio Voice Newsletter. February 7, by Paul J. A pot with 64 levels and precision metal film resistors that is audilxpress to beat for sound or facility, as he describes it. The project started with a clean sheet, looking to address potentiometer design with a quality that rivaled existing designs while audioxpgess a reasonable cost.

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This is a project that quickly became the focus in lots of tube-oriented forums and has inspired long threads and many iterations, including further articles published in audioXpress from the author himself. We think that’s more to it.

Each file has two main pages: Following the publication of its original SE 6C33C amplifier in audioXpress JulyAuioxpress Polisois returned with more information on how to further simplify the whole construction and reduce the costs. April 28, by Ari Polisois. In this project article for audioXpress, George Ntanavaras describes the design and construction of a high-quality RIAA preamplifier for moving coil cartridges based on high-quality Analog Device AD op-amps designed for low-noise audio applications and driven from very low source impedance.

The spreadsheets are in standard Excel format, and should work auddioxpress just about any spreadsheet program.

Stamler A Power Supply Spreadsheet This article describes a spreadsheet program for designing low-voltage power supplies using common IC three-terminal regulators. This article was published in audioXpress, March When it came to selecting topologies for the balanced inputs and outputs, I ruled out transformers due to high cost, physical bulk, and weight.

In this article, Joel Hatch explains how to build a variable frequency synchronous motor controller to control turntable speed. This article was originally published in audioXpress, December I developed the PSU, which, together with the sophisticated shunt, sets a new standard for audio voltage regulators.