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audioXpress Back Issues January “A Combination Horn You Can Build” “The Cathode Follower and Its Weaker Siblings” “Grounding and System. audioXpress Year Archive CD ( – ). Regular price $ USD Back Issues on CD – CC-Webshop. audioXpress Back Issues on CD. Find great deals for Audio Express AudioXpress Magazine October Hobby Audio Technology. Shop with confidence on eBay!.

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The DC balance lights are at the top. November 11, by Michael Rothacher. Watch and clock dials were very common audiodpress then but the dial painters suffered from ingesting the radioactive paint from the required process of lip-pointing.

October 12, by George Ntanavaras. Twenty 4-inch drivers provide high power handling and by putting them in the same long vertical column, outstanding coherence is heard. August 5, by Bill Reeve. This article first appeared in the Japanese magazine Radio Technology, December The Etalage Magiclock and Rex Audioxpess mystery clocks are also described in this article.

The patent was awarded to Leendert Prins, Bilthoven, Netherlands, in In this classical tube amplifier project, author Bob McIntyre offers what is effectively the foundation for many designs that we can find currently in the market. These were made based on earlier patents also awarded to Leendert Prins.


There are many other photos and graphs in the article. A year later Audioxrpess sold the systems and moved on to newer designs. Hificollective uses cookies to give you the best online experiences. The article was based on my test setup at McIntosh lab to select low distortion cores for our crossover coils.

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So how are the hands made to move? The sample group of coils tested in this article yielded a wide range of results. A detailed process for hearing is described including a picture and several diagrams.

The mystery is how the hands are driven without any visible means. Upgrading a Unique Stereo Column System.

The power switch is at he left. By switching the photocell in series or in shunt with a voltage divider, the device will expand or compress the audio signals. Audioxperss article was originally published in audioXpress, April This article was written while I was an engineer at the Sonotone Corporation. Jefferson apparently bought the rights to the patent.

Items about: Project Articles – p 7 | audioXpress

This article explains about hands attached in the same way but where the glass is not round and cannot rotate.

Welcome to Hificollective, to create audioxppress account please register here. This article was originally published in audioXpress, April We have several different colors to choose from, the factory color is yellow. However, the values are correct. Enclosures for High Compliance Speakers.


Amplifier War and Peace – An Hybrid Amp

Serving enthusiasts, audiophiles and industry professionals through publishing periodicals, directories and books. The photographer that Sonotone used for their advertising took the photos.

This article was originally published in audioXpress October Etalage and Rex Cole Mystery Clocks. June 21, by Stephen W. Detailed instructions and diagrams for the cabinet and crossover are given, including how to make your own crossover coils. The picture at the right is part of my General Radio test equipment that I used for the article. This article was originally published in audioXpress, July March 29, by Ron Tipton. More of my magazine articles will be added as they are published.

August 20, by Jenoe Keceli. A simple transistor circuit and lamp are connected at the power amplifier output. Published in two separate parts in audioXpress October and Novemberthis hybrid amp design is a detailed and interesting project, frequently referenced by other DIY audio enthusiasts. This was my first magazine article.