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Little Things: Triggering Multiple Amplifiers From A Single 12V Trigger

Little Things: Triggering Multiple Amplifiers From A Single 12V Trigger

Do you have a complex audio or home theater system and have trouble getting everything to turn on at once?

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Little Things: HOSA PWD-401 and PWD-402 Power Adapters

Little Things: HOSA PWD-401 and PWD-402 power adaptersSo many of us find that as our audio electronics collection grows (disc players, turntables, preamps, power amplifiers, gadgets, etc.) that our power wiring resembles the "rat's nest".

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JJ's Now-and-Then Blog - How to Prevent Headaches When Watching 3-D Movies

blog

Many consumers complain that watching 3-D movies gives them eye strain and/or a headache. The explanation, and the solution, are at hand.

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Emotiva XMC-1 Dirac Live Full Room Correction for Emotiva Update

Emotiva XMC-1 Dirac Live Full for Emotiva UpdateOne of the distinguishing features of the XMC-1 is the inclusion of the Dirac Live for Emotiva room correction software. The full version of the software was not available when I first wrote my review of the XMC-1, and Emotiva asked me if I’d like to take a look.

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HDR and Dolby Vision: What They Are and Why You Will Want Them

HDR and Dolby Vision: What They Are And Why You Will Want ThemAs a leap forward, High Dynamic Range (HDR) is probably as significant, if not more so, than high-definition. Dynamic range is the single most important factor in image quality, and by going beyond the limits of current displays and standards, we can expect film and television to be even more realistic than ever.

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Little Things: Accurately Setting the Vertical Tracking Force of Your Phono Cartridge Stylus

Little Things: Accurately Setting the Vertical Tracking Force of Your Phono Cartridge Stylus

Have you installed a new cartridge in your turntable and set the tracking force with one of the cheap “beam” type stylus force gauges and wondered if the setting was really accurate?

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Little Things: Converting Speaker Cables from Banana Plugs to Spade Lugs and Vice Versa

Spade LugsDo you have speaker cables with banana plugs and wish you had spade lugs so you could have a tighter bond between the cable terminations and the binding posts?

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AVR - Audio Video Receiver - Build Quality: Part IV - The Emotiva XMC-1 SSP: A Paradigm of a Pre-Pro Implementation

AVR - Build Quality: Part IV

It has been a disappointing time in the AVR world. “Excellent” parts have been substituted by “good parts”, and in the majority of cases “average parts” in anything below $3,000.

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JJ's Now-and-Then Blog - Many New Audio and Video Codecs are Here. Which will You Choose?

DTS

New audio and video codecs are arriving by the train-load. Dolby Vision, Dolby Atmos, DTS-X, Auro-3D, Master Quality Authenticated (MQA), and whatever their competitors create (they are in a hurry to do that right now). New receivers and SSP's for mid and late 2015 will have some, but not all, of these codecs installed. What will dominate your choice of the product: a past successful history of having that brand, or changing brands to get the codecs you want?

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Little Things: Using a Zobel Network to Reduce Harshness with Electrostatic Speakers

ZobelIf you have some electrostatic speakers, and they sound harsh, it is probably due to your power amplifier having trouble with the resonance of the transformer in the speaker. This transformer raises the amplifier voltage to a higher voltage that goes to the stators. This problem can be alleviated by the use of a Zobel network.

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Up-sampling, Aliasing, Filtering, and Ringing: A Clarification of Terminology

Up-sampling, Aliasing, Filtering & Ringing; a Clarification of TerminologyIn this article, I will present some of the basics of digital signal processing, and show how these concepts are the building blocks to understanding, identifying, and discussing some undesirable artifacts in the digital media you consume. I will explain concepts without math so that hopefully everyone reading this will be able to get the most out of it.

 

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