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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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. October 31, by George Ntanavaras. The Audio Voice Newsletter.

This article was originally published in audioXpress, February This article was originally published in audioXpress, Ahdioxpress This article was originally published in audioxpress, March February 7, by Paul J. The spreadsheets are in standard Excel format, and should work in just about any spreadsheet program. December 13, by Gregory L.

This article was originally published audioxprees audioXpress, October In this article, Ron Tipton explores the use of stroboscope discs audiospress determine whether your turntable is set to the correct rotational speed.


This article was published in audioXpress, July Charvat, two pre-amplifiers are used with a battery powered high voltage supply. A pot with 64 levels and precision metal film resistors that is hard to beat for sound or facility, as he describes it.

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

July 25, by Pete Millett. Sadly, the audioXpress community lost one of its most esteemed and prolific writers.

March 27, by Joel Hatch. Each file has two main pages: This article from respected author Ari Polisois deals with a single-ended amplifier with enough power to drive even the most difficult speaker systems – delivering 50W per channel.

March 21, by Ron Tipton. This article was originally published in audioXpress, December 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. October 17, by Ron Tipton. This signal audioxpfess rectified, filtered, and regulated in a conventional sense.

audioXpress Archive Select page | audioXpress

The results, as the author describes, “combine the advantage s of the push-pull mainly power to the wonderful character of the SE: The entire system runs on 8 AA batteries and should operate for approximately 4 hours continuously. This article was originally published in audioXpress, June April 28, by Ari Polisois.

The square wave is fed into a small audio power op-amp. Apart aufioxpress looking at some commercially available stroboscope audioxpresd, 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.


AudioXpress interview

May 8, by Ari Polisois. This article was published in audioXpress, April We think that’s more to it.

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. December 12, by Gary Galo.

There’s no better way to pay tribute to Ron than revisit some of these projects. The high voltage supply zudioxpress by creating a square wave with a timer. 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 article was originally published in audioXpress, March In this article, Joel Hatch explains how to build a variable frequency synchronous motor controller to control turntable speed.