AUDIOXPRESS 2008 PDF

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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Against 8-ohms, mA only equals mW; yes, milliwatts.

Thus, the tube section is no expensive LED replacement; and the solid-state portion delivers 50W into 8-ohm loads. Stereo and mono, octal and 9-pin printed circuit boards available.

A pot with 64 levels and precision metal film resistors that is hard to beat for sound or facility, as he describes it. How about if we rearrange the topology so that the tube’s current does not flow into the TDA’s output stage, as shown below.

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

May 28, by Mark Driedger. The Audio Voice Newsletter. Each file has two main pages: Firstly, I’m extremely impressed at the quality of what I’ve been sent. I bought an Aikido stereo linestage kit from you some days ago, and I received it just this Monday.

And his amplifier does seem to have a lot going for it: If only they made a dB efficient loudspeaker. Circlotron Lie Detector With the likely election of a new Clinton presidency, what the world needs is a good tube-based lie detector. A temperature sensor and over-temperature shut-down capability are also included. The PL undergoes a current swing of 70mA at full output and I assume that the TDA presents a low output impedance, say a damping factor ofwhich would imply an output impedance of 0.

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This article was published in audioXpress, April The spreadsheets are in standard Excel format, and should work in just about any spreadsheet program.

October 17, by Ron Tipton.

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

All items in category Magazine Articles. December 31, by audioXpress Staff. The entire system runs on 8 AA batteries and should operate for approximately 4 hours continuously.

This was the first time Test Bench featured a product from the highly respected 22008 Audio Engineering. 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.

Like the man who has bought a house, only to 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. InNelson Pass submitted an article on its new F5 power amplifier design to audioXpress. This article was originally published in audioXpress, April In audiopxress article, Ron Tipton explores the use of stroboscope discs to determine whether your turntable is set to the correct rotational speed.

But I did recently buy an already assembled power amplifier that uses the LM 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.

Lately they have kindly printed projects that I had already posted on the web, but I decided that they deserve a little better than that.

Shunt or Not – Looking for the Ultimate Audio Voltage Regulator

This article was originally published in audioxpress, June April 28, by Audiocpress Polisois. This article was originally published in the old audioXpress website as a PDF, but was never reposted.

And if not, why bother with the original? These are replacement light bulbs for the headlight switches pictured above.

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Items about: Project Articles – p 5 | audioXpress

This is a led upgrade service for your to manual slide climate control pictured above. This article by Ron Tipton details the design and construction of the TDL Model high-performance microphone preamp, using a differential input stage that used compound transistor pairs with circuit resistance values, computer optimized for very low output noise. December 21, by audioXpress Staff. That was quite a mouthful and I expect that it will be the differential line receiver that makes many scratch their heads but, trust me, it’s not that complicated.

Providing the highest level of quality for recording, mixing and mastering tasks, as well as for music production in a single environment, the new Samplitude Pro X4 expands on its most praised features, now adding Automation Lanes for optimal control and overview of track automation data, a new plug-in browser for quick searches for effects and instruments, new MIDI editing functions and improved MIDI workflow.

The square wave is fed into a small audio power op-amp. They are fully specified for high performance audio applications and have excellent ac specifications, including low distortion 0.

The WSOF audioxpress built on an injection-molded eight-spoke frame that supports an unusual rectangular housing. Shouldn’t I be worried about the 12AX7’s inability to drive an 8-ohm load, even with the help of a 50W solid-state power amplifier? This article was published in audioXpress, July Although this is low, it is not impossible to drive—besides, we are performing an audio-autopsy, not describing a practical DIY project.

We have already seen that mA does not a 50W single-ended amplifier make.