audioXpress: January , vol, No The Tuba 18 sub, Dutch tube circuits, The Kleinhorn, Noise meter amp, Passive pre-amp (transformers used), Test CD . audioXpress Back Issues January “The Tuba 18 Sub” “Vintage Glass- -Dutch Schematics” “Balance Control for the Hafler DH” “The Kleinhorn. Your one-stop shop to audioXpress and Circuit Cellar products. Keeping you up- to-date on trending developments in audio and embedded electronics.

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This article was originally published in audioXpress, May This spectrum analysis technique can also be applied to audio amplifiers, but as yet few people have been interested enough to analyze the actual content of the measured distortion whether 0. This is a led upgrade service for your to manual slide climate control pictured above.

Published Articles by Roger Audioxpress These pages are copyrighted No portion of this site may be reproduced in whole or in part without written permission of the author.

AudioXpress Magazine

This will fit both long and uadioxpress versions. This is not simply a question of taking certain measurements or conducting blind listening tests on amplifiers, but an attempt to show that a particular measurement may result in an indication of the ability of an amplifier to reproduce a musical sound. By installing 2X4 rails spaced two feet apart, and a flat carriage with wheels, you can lay on your back and pull yourself from one end of the house to the other.

We also discuss Audloxpress Testing issues among other things. InaudioXpress invited Scott Dorsey to update his popular reamping project that modeled the source impedances of a couple typical guitar pickups. Although this article was written audioxprees years ago, the tests are still just as valid.

Despite this state of affairs it is interesting that valve amplifiers, which often have a distortion level at least times greater e. One of the most important speaker building projects published by audioXpress, THOR was designed by Joseph Joe D’Appolito, who is world-renowned for his pioneering work on MTM-based mid-tweeter-mid loudspeaker configurations.


After about seven go-arounds, it was ready to submit for publication. Your basket has been updated, what would you like to do now? This article describes how to measure coil distortion as well as conduct an effective listening test. Medias this blog was made to help people to easily download or read PDF files.

The cabinet is plastic and some shielding was used on the bottom to keep any hum or noise completely inaudible. This article was originally published in audioXPress, September There are safety devices in the aueioxpress but they can be overridden to cause hearing damage. When the center of the roof is only 30″ from the attic floor, it’s hard to get around up there. I calibrated quite a few microphones that year.

Skip to main content. Want to know which of the topics and stories published online in were the most popular? Here are the results!

Published Articles by Roger Russell

This is a led upgrade service. The DC balance lights are at the audioxperss. Julian Hirsch even wrote a brief review at the end of the article ” LG’s latest range of soundbars expands on the collaboration with Meridian Audio for the electroacoustic design and adds Artificial Intelligence capabilities that the Korean brand has been developing now for all its consumer electronic products.

Many people take the hearing process for granted and awareness of sound location and frequencies are only in the background of our attention. April 30, by Bjorn Johannesen.

Items about: Project Articles – p 5 | audioXpress

It described the procedures on how to measure high compliance woofer characteristics and how to select the appropriate cabinet size without the need for building a test cabinet. Three audio experts discuss the role of distortion levels in what we hear.

Following a long-standing tradition of designing high-quality speakers at reasonable prices, Dayton Audio’s new commercial pendants are designed to offer a great sound for both indoor and outdoor use. Already with an impressive line of new products introduced throughoutParasound ended the year with the announcement of its NewClassic Pre, a moderately priced analog audio preamplifier and DAC with outstanding sound quality, excellent connectivity, and versatility.


Sonos continues to expand its lifestyle and brand-awareness global marketing audioxpess by establishing a collaboration with Danish design brand HAY. May 25, by Scott Dorsey.

In this article, Joel Hatch explains how to build a variable frequency synchronous motor controller to control turntable speed. These are replacement light bulbs for the headlight switches pictured above. It’s also “sudden death” if you accidentally put your foot through the ceiling below. I gained feet of shelf space this way. Driver paramater assessment, Klipschorn upgrade, Hazard tester, Transformers uncovered, Hi-end preamp, A study system.

The company will promote listening sessions of aurioxpress much anticipated AMBEO Soundbar, finally revealing the latest in immersive 3D sound to the home and a remarkably spatial sonic experience with immersive 5.

This is a very detailed two-part article on how to evaluate speaker systems. Continue Shopping Checkout Now.

By switching the photocell in series audioxpreess in shunt with a voltage divider, the device will expand or compress the audio signals. October 31, by George Ntanavaras. In this article, the is used in a clean, sweet-sounding, single-ended design.

AudioXpress (Vol.36 Issue.02) February 2005 Issue

Jefferson apparently bought the rights to the patent. The Popular Electronics article was a favorite with readers and it was selected as one of the articles to appear in the quarterly Electronic Experimenter’s Handbook next fall.

Detailed instructions and diagrams for the cabinet and crossover are given, including how to make your own crossover coils.

Considering all the time and effort audiophiles spend producing such a wide variety of amplifiers, speakers and other devices, the hearing process is just as important as any other part of the music reproduction chain—from the recording to the ear mechanism and nerve impulses sent to the brain to be interpreted.

Procedures are outlined for measuring response, harmonic distortion, intermodulation distortion and impedance. Speed up your crossover prototyping and preserve your crossover components with this true plug-and-play approach.