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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October 17, by Ron Tipton. This article was published in audioXpress, July I completed the design and construction of an archival phono preamplifier, which provides variable equalization along with several other operational necessities for playing vintage records rpm discs, pre-RIAA LPs, lacquer transcription discs, and so on.

Items about: Project Articles | audioXpress

Now that turntables are back in force, this excellent project not only allows some knowledge about 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.

The project started with a clean sheet, looking to address potentiometer design with a quality that rivaled existing designs while maintaining a reasonable cost.

This article was originally published in audioXpress, February This article was originally published in audioXpress, October July 25, audioxpress Pete Millett.

The entire system runs on 8 AA batteries and should operate for audiioxpress 4 hours continuously. Stamler A Power Supply Spreadsheet This article describes a spreadsheet program for designing low-voltage power supplies using common IC three-terminal regulators.

This simple single-ended amp project by Pete Millett is a great performer and a very well documented project that was immediately adopted by many DIY’er’s. April 19, by Paul Loewenstein. All items in category Project Articles. The high voltage supply works by creating a square wave with a timer. October 31, by George Ntanavaras. I developed the PSU, which, together with the sophisticated shunt, sets a 22010 standard for audio voltage regulators.

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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. This article was originally published aydioxpress audioxpress, March Each file has two main pages: Apart from looking at some commercially available stroboscope discs, Ron Tipton explains how to print one from files that are freely available on the Internet, and explains how to build your own multiple-LED lamp to check the rotations.

This article was originally published in audioXpress, December The Audio Voice Newsletter. This article was originally published in audioXpress, June A PP 25L6 Amplifier In this classical tube amplifier project, author Bob McIntyre offers what is effectively the foundation for many designs that we can audioxprezs currently in the market.

This article was originally published in audioXpress, September In this article, Ron Tipton explores the use of stroboscope discs to determine whether your turntable is set to the correct rotational speed. 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. Following the publication of its original SE 6C33C amplifier in audioXpress JulyAri Polisois returned with more information on how to further simplify the whole construction and reduce the costs.

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 with circuit resistance values, computer optimized for auioxpress low output noise.

This article was originally published in audioXpress, March This is not surprising.

April 28, by Ari Polisois. In this article, Joel Hatch explains how to build a variable frequency synchronous motor controller to control turntable speed.

Sadly, the audioXpress community lost audiodpress of its most esteemed and prolific writers.

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There’s no better way to pay tribute to Ron than revisit some of these projects. This article from respected author Ari Polisois deals with a single-ended amplifier with enough audioxprsss to drive even the most difficult speaker systems – delivering 50W per channel. This article was published in audioXpress, April February 7, by Paul J. May 8, by Ari Polisois.

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The spreadsheets are in standard Excel format, and should work in just about any spreadsheet program. March 21, by Ron Tipton. The results, as the author describes, “combine the advantage s of the push-pull mainly power to the wonderful character of the SE: The square wave is fed into a small audio power op-amp.

December 13, by Gregory L. 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.

December 12, by Gary Galo. A pot with 64 levels and precision metal film resistors that audooxpress hard to beat for sound or facility, as he describes it.

AudioXpress interview

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. Charvat, two pre-amplifiers are used with a battery powered high voltage supply. This article was published in audioXpress, March The Mighty Mouse is indeed a good sounding and inexpensive project that is also a good introduction to tube amplification.

This signal is rectified, filtered, and regulated in a conventional sense. When it came to selecting topologies for the audioxpreds inputs and outputs, I ruled out transformers due to high cost, physical bulk, audioxoress weight. This article was originally published in audioXpress, April March 27, by Joel Hatch.