Technical Posts

Network Cables & Switches - Myths & BS
Network Cables & Switches – Myths & BS Introduction I have worked at the pointed or origination end of audio and video all my professional life (40+ years) from professional recording studios to professional radio and TV broadcast and production. So I couldn’t let the following comments evaporate into the […]

Network Cables & Switches – Myths & BS

 in Audio / Personal Views & Comments / Technical Posts / Video  tagged Audio / COTS / Data / Denon Link / Digital / Jitter / Pioneer PQLS / Video by
Acoustics 101-Designing Porous, Resonant and Reflective Sound Treatments
Loudspeaker Basics 101 – Part 3 In Loudspeaker Basics 101 part 3, this final post in the series, we examine where your stereo/satellite speakers should be placed, and in particular the optimum locations for your sub-woofers. Introduction Life was so much easier years ago when we just had monophonic reproduction […]

Loudspeaker Basics 101 – Part 3

 in Audio / Technical Posts  tagged Atmos / Auro 3D / DTS:X / Immersive Sound / Loudspeaker Basics 101 / Multi-Channel Audio / Satellite Speakers / Stereo / Sub Placement / Subwoofers by
2
Loudspeaker Basics 101 – Part 2                     In Loudspeaker Basics 101 – Part 2 we review why speaker enclosures are generally required, the different designs that are available and various cabinet issues. Introduction There are basically two types of speaker (cabinet) radiation: […]

Loudspeaker Basics 101 – Part 2

 in Audio / Technical Posts  tagged Baffle / Early Early Sound / Edge Diffraction / Group Delay / Infinite Baffle / Loudspeaker Basics 101 / Reflex / Sealed Box / Surround Speakers / Transmission Line / Tuned Port by
Loudspeaker Basics 101- Part 1 This is the first of three posts that will take a basic look at: Speaker drivers and crossovers Speaker enclosures and Room placement Introduction Every day we listen to sound emanating from radios, TV’s, phones, computers and of course our Hi-Fi and HT systems. They […]

Loudspeaker Basics 101 – Part 1

 in Audio / Technical Posts  tagged Crossovers / Electrostatic / Loudspeaker Basics 101 / Moving Coil / Ribbon / Speaker Enclosures by
Cartridge Alignment - An Introduction 4
Cartridge Alignment – An Introduction Introduction Having spent what seemed like an eternity trying to wring out the last ounce of performance from my Hana SL, I thought that my experiences could provide a few of my readers with a good insight into the basics of cartridge alignment. Comparing disc […]

Cartridge Alignment – An Introduction

 in Audio / Technical Posts  tagged Alignment / Anti-Skating / Azimuth / Bias / Cartridge / Cartridge Loading / Overhang / Phono / Setup / SRA / VTA / VTF / Zenith by
Phono Cartridge Basics 101 2
Phono Cartridge Basics 101 As I am now in the market for a new cartridge, and maybe a new head amplifier or pre-amplifier, I thought a quick refresher course on cartridge basics would clear my head and help others who maybe in the same boat. Cartridge specifications alone are not […]

Phono Cartridge Basics 101

 in Audio / Equipment Rebuilds and Upgrades / Technical Posts  tagged Cantilever / Head Amplifier / Moving Coil / Moving Iron / Moving Magnet / Phono Cartridge / Pre-Amplifier / Stylus by
Acoustics 101-Designing Porous, Resonant and Reflective Sound Treatments
Acoustics 101-Designing Sound Treatments                   Introduction Acoustics 101-Designing Porous, Resonant and Reflective Sound Treatments The last two posts introduced you to the nature of sound, it various parameters, the types of absorbers and diffusers and how to locate them together with your […]

Acoustics 101-Designing Sound Treatments

 in Acoustics / Technical Posts  tagged ATS Acoustics / Helmholtz Panels / Limp Membranes / Panel Absorbers / Porous Absorbers / Quadratic Residue Diffusers / Resonant Absorber / Vicoustic by
My Home Theater: The Acoustic Discoveries, Changes and Upgrades.
Acoustics 101-Absorbers, Diffusers, Reflections, Room Dimensions and Subs Introduction. Let’s apply a little of your new found sound knowledge from the first post in this series. Remember, we are not designing a room to build, just gathering information that will help with that and most importantly the treatment of an […]

Acoustics 101-Absorbers, Diffusers, Reflections, Room Dimensions and Subs

 in Acoustics / Technical Posts  tagged Diffusers / Hass Effect / Initial Time Delay / ITD / Membrane Absorbers / Panel Absorber / PorousAbsorbers / Precedence Effect / Quadratic Diffuser / Resonance Absorbers / Sub Placement by
Acoustics 101-Sound Basics 1
Acoustics 101-Sound Basics Introduction This is the first of three posts that will look at: Sound, what it is and some important parameters. The room, how to absorb sound and the correct placement of absorption and subs. How to design and make sound absorbers. You don’t need to have amazing […]

Acoustics 101-Sound Basics

 in Acoustics / Technical Posts  tagged Absorption / Acoustics / Frequency / Phase / Reverberation Time / Room Modes / Schroeder Frequency / Sound / Sound Decay / Standing Waves / Wavelength by
Amplifier Classes-A Quick Primer Course                   Introduction So, we all need them, what are they? They, are amplifiers. They come in two different basic types for audio: Voltage amplifier: Head amplifier for very low level signals found in moving coil cartridges – […]

Amplifier Classes-A Quick Primer Course

 in Audio / Technical Posts  tagged 405 / Amplifiers / Audio Amplifiers / Class A / Class AB / Class B / Class C / Class D / Class F / Class G / Class H / Class I / Class S / Class T / Leak TL50 / Push-Pull / Quad Current Dumper / Radford / ZD22 by
Flat Panel TV and Projector Technology - Part 2
Flat Panel TV and Projector Technology – Part 2 The first post examined the technologies used in the current modern day flat panel displays. We continue with a review of those technologies and techniques as used in today’s modern residential home theater projectors. Projectors LCD The first affordable residential projectors […]

Flat Panel TV and Projector Technology – Part 2

 in Technical Posts / Video  tagged DILA / DLP / DMD / LASER / LCD / LCoS / LED / SXRD by
Flat Panel TV and Projector Technology 1
Flat Panel TV and Projector Technology Display technologies have come a long way since those early black and white cathode ray tubes (CRT). This two-part post will review the latest display technologies and techniques and their advantages and disadvantages. This first post with provide an overview of both flat panel […]

Flat Panel TV and Projector Technology

 in Technical Posts / Video  tagged DILA / DLP / DMD / LCD / LCoS / LED / QLED / Quantum dot / SXRD by