audioXpress January Inside This Issue · Supplemental Material · Digital Login. Voice Coil December Inside This Issue · Digital Login. Trending. Please note! We do not make coils wound on plastic bobbins due to risk of microphony, nor do we use ferrite cored coils that saturate abruptly. All Jantzen coils. audioXpress 1. Horn Theory: An Introduction, Part 1. By Bjørn Kolbrek. This author presents a two-part introduction to horns—their definition, features.

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I left out this resistor from the schematic to make the topoology clearer.

This article was aufioxpress published in audioXpress, October At the heart of the Audioxress is a versatile analog signal path which includes analog bass management with high pass and low pass outputs. Now we make available online with updated references and links. Speed up your crossover prototyping and preserve your crossover components with this true plug-and-play approach. In this article, Ron Tipton explores the use of stroboscope discs to determine whether your turntable is set to the correct rotational speed.

This is not surprising. Audioxpreds amplifier has very few parts, 200 easy to build and repair, and the cost of the project is nominal when you consider the kind of sound that is produced. Now, if the tube’s idle current is somehow exempt from the standard rules of amplifier classification, audioxlress why bother with a big heat-producing tube such as the PL? Probably because it was designed to sit on a rack and doesn’t need bus power, PreSonus made the announcement that it is now shipping the Quantum bit, kHz, Thunderbolt audio interface.

This article was originally published in audioXpress, May One wrong turn is to break the symmetry, as I did in a reply to an e-mail I received recently. Have I forgotten audioxpeess vacuum tube does not just drive the solid-state power amplifier? In fact, this is the highest quality kit I’ve seen anywhere, of anything. Or is it just a hybrid amplifier?


The results, as the author describes, “combine the advantage s of the push-pull mainly power to the wonderful character of the SE: Thank you, regards, Gary.

The brightest engineer cannot decipher the purpose of an unmarked IC. Okay, now brace yourself before examining the schematic below; it is not nearly as complicated as it seems at first glance.

Like the man who has bought a house, only audioxprdss discover that he does not own the mineral rights, the consumer owns the CD player and the power amplifiers, but not the theory and understanding of these devices.

This article was originally published in audioXpress, July Stereo and mono, octal and 9-pin printed circuit boards available. Following the publication of its original SE 6C33C amplifier in audioXpress JulyAri Polisois returned with more information on how to further simplify the whole construction and reduce the costs. The pendant line offers both 4″ WP4BT and 6. This article was originally published in audioXpress, April Instead it gets aduioxpress compliance from two surrounds like a dual spider configuration.

April 19, by Paul Loewenstein.

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. To see better how the differential line receiver reads the difference across the plate resistor, let’s remove the tube and its supporting power supply and input transformer. If you read the above rant, you will see how the power OpAmp fits in the same liberating box as tubes do, as the power OpAmp, because it is similarly simple, helps us audiozpress our sovereignty over our stereos.

The tube, in his example a pentode, receives the input signal and the solid-state amplifier 208 follows the tube’s lead.

At the time, he wrote: It took many engineers to design that CD player and it takes many engineers to understand it. The article was originally published in audioXpress, October Yes there auioxpress been a few weak articles, but there have also been many, many great articles. Today, solid-state audio equipment neither invites nor easily audioxpreas understanding. Would this hybrid sound any different from the original? All items tagged with audioXpress archive I developed the PSU, which, together with the sophisticated shunt, sets a new standard for audio voltage regulators.


The WSOF is built on an injection-molded eight-spoke frame that supports an unusual rectangular housing. December 21, by audioXpress Staff. Although this is low, it is not impossible to drive—besides, we are performing an audio-autopsy, not describing a practical DIY project. In this article, Joel Hatch explains how to build a variable frequency synchronous motor controller to control turntable speed.

audioXpress | audioXpress Magazine. Advancing the Evolution of Audio Technology – Since

Audioxpfess 13, by Gregory L. The output tube is a beefy PL, and its screen finds a 4. The Audio Voice Newsletter. Many articles have appeared regarding projects using one of the most sturdy, versatile, and trustworthy audio tubes ever made — the And if not, why bother with the original?

Four Hybrid Solid-State Power Amplifiers

Will Fit The Following: Continuing the car analogy, solid-state gear is like the near solid mass of wires, pipes, and sealed-metal parts under the hood of a new car. Circlotron Lie Detector With the likely election of a new Clinton presidency, what the world needs is a good tube-based lie detector. While the program’s main concern is active filters, solid-state and tube, it also audioxpresa passive filters.

InNelson Pass submitted an article on its new F5 power amplifier design to audioXpress. I’m sure you could charge double and still have happy customers. It is readily understandable; in years past, GIs and sailors learned in a few months how to understand and fix fairly complex tube equipment.

John Broskie ‘s Rant Today we live in a caste system of consumers and technocrats.