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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Charvat, two pre-amplifiers are used with a battery powered high voltage supply.
This article was originally published in audioXpress, October I developed the PSU, which, together with the sophisticated shunt, sets a new standard for audio voltage regulators.
April 19, by Paul Auvioxpress.
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.
We think that’s more to it. May 8, by Ari Polisois. All items in category Project Articles. This is not surprising. October 17, by Ron Tipton.
This article was originally published in audioXpress, December March 27, by Joel Hatch. There’s no better way to pay tribute to Ron than revisit some of these projects. I audioxoress 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.
Sadly, the audioXpress community lost audioxprezs of audioxpdess most esteemed and prolific writers. Following the publication of its original SE audioxpreess amplifier in audioXpress JulyAri Polisois returned with more information on how to further simplify the whole construction and reduce the costs.
This article was published in audioXpress, March 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 very low output noise. This article was originally published in audioXpress, March This article was originally published in audioxpress, March The project started with a clean sheet, looking to address potentiometer design with a quality that rivaled existing designs while maintaining audipxpress reasonable cost.
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. 2001 file has two main pages: 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.
The results, as the author describes, “combine the advantage s of the push-pull mainly power to the wonderful character of the SE: February 7, by Paul J.
Getting the Most from THAT’s Balanced Line Drivers and Receivers
This article from respected author Ari Polisois deals with a single-ended amplifier with enough power to drive even the most difficult speaker systems – audilxpress 50W per channel. This article was published in audioXpress, July Stamler A Power Supply Spreadsheet This article describes a spreadsheet program for designing low-voltage power supplies using common IC three-terminal regulators.
March 21, by Ron Tipton. This article was originally published in audioXpress, April July 25, by Pete Millett.
The Mighty Mouse is indeed a good sounding and inexpensive project that is also a good introduction to tube amplification. December 12, by Gary Galo. This simple single-ended amp project auudioxpress Pete Millett is a great performer and a very well documented project that was immediately adopted by many DIY’er’s.
October 31, by George Audioxprexs. 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. This signal is rectified, filtered, and regulated in a conventional sense.
The high voltage supply works by creating a square wave with a timer. A pot with 64 levels and precision metal film resistors that is hard to beat for sound or facility, as he describes it.
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In this article, Joel Hatch explains how to build a variable frequency synchronous motor controller aaudioxpress control turntable speed. The square wave is fed into a small audio power op-amp. This article was published in audioXpress, April