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November 27, by Kirk Elliott. Glass Audio Vault: The Remaking of a Champ. Introduced in , the Fender Champ single-ended 5 W guitar amplifier is. November 26, by audioXpress Staff November 4, by Charlie Hughes This article was originally published in Voice Coil November In November , audioXpress received a facelift. Glass Audio, Speaker Builder, and in , audioXpress, which he edited until

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This article was published in audioXpress, March and the results were simply spectacular, generating worldwide interest.

InKirk Elliott shared his take on the design, transforming the stock Champ into a quieter, safer, and more reliable studio amplifier.

The Audio Voice Newsletter. November 1, by Vance Dickason. Ron Tipton was deeply impressed with this amplifier project which used only five transistors per channel, two of them being current sources. The Mighty Mouse is indeed a good sounding and inexpensive project that is also a good introduction to tube amplification.

Here is a simple portable device from George Ntanavaras that can help answer the question about peak voltage and peak current requirements and whether or not your power amplifier is capable of driving your loudspeaker without clipping. This article was published in audioXpress, May The entire system runs on 8 AA batteries and should operate for approximately 4 hours continuously. This edition of Voice Coil Test Bench characterizes the 6. 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 find currently in the market.

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Test Bench: ETON 29HD2 Magnesium/Ceramic 28mm Dome Tweeter

October 4, by Vance Dickason. This article was published in audioXpress, March All items in category Project Articles.

This article was originally published in audioXpress, April These Test Bench samples came from Germany. Features for the 6MBX44 include a proprietary four twin spoke cast-aluminum frame, enhanced voice coil cooling, curvilinear waterproof paper cone and inverted paper dust cap, and a neodymium ring magnet.

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February 7, by Paul J. I received a home audio 6. He answers the problem by addressing the three main issues of crossover frequencies, relative output level and delay. This article was originally published in Voice Coil, September October 11, by Vance Dickason.

The depth is significant as the motor assembly is obviously housed inside the frame. August 23, by Vance Dickason.

A great tube-based amplifier for phono and line sources, featuring a very subtle bass enhancement control using negative feedback to enhance only selected frequencies, below Hz. When we connect audio components, interference may occur from various power and signal grounds. ETC of the summed response with the cluster delayed 10 ms red and The new MBX series of pro sound mid-bass woofers is especially well suited for small two-way loudspeaker applications.


That’s what you normally get with a quality design, but to achieve it, the author shares the complete concept, power requirements, circuit topology, construction and testing of this single-ended amp June 28, by Vance Dickason Test Bench: This article was originally published in Voice Coil, December As the author described, a great project for discriminating audiophiles.

This article illustrates the problem for the midrange driver in a three-way system, which will be crossed over to a woofer on the low end and a tweeter on the high-end.

Read this reference article, originally published in audioXpress, September Magnitude response of individual passbands and the summed response with the cluster delayed 7.

The Audio Voice Newsletter. This article was originally published in Voice Coil, November