Goodness comes to those who vibrate
Vacuum Tube (Electron Valve) Comparison Tests The BM Amps “Valve (Tube) Comparison Tests” page presents a detailed, objective analysis of various 12AX7 vacuum tubes used in audio amplifiers. Using controlled signal testing, waveform analysis, and spectral measurements, the author compares tube brands across metrics like gain, noise, distortion (THD/IMD), and microphonics. Despite common beliefs about … Read more
Excellent info on SAR Synthetic Aperture RADAR released at Malta SAR Expo of Giza Pyramid Underground Jun 2025 https://www.youtube.com/watch?v=GIUI7MjVGRU
Vacuum Tubes in 2025 – Not Made in America As of 2025, the biggest suppliers of vacuum tubes (new production) are a small group of manufacturers — nearly all based in Russia, China, and Slovakia — with a few large retail distributors worldwide. Here’s a breakdown: Top Vacuum Tube Manufacturers 🇷🇺 Reflector (Saratov, Russia) – … Read more
Once Again Little People Life-Wasted by Monstrous Machines — Why Bandcamp’s Survival Matters More Than Spotify’s Billion-Dollar Playlist Machine Bandcamp is a vital platform for independent musicians, offering them a fair revenue share of 82–85% per sale, unlike streaming services that pay mere fractions of a cent per play. It empowers artists with control over … Read more
An examination of how power supply design affects audio circuitry and ultimately sound quality Great. I’ll conduct an in-depth investigation into how power supply design affects audio circuitry and ultimately sound quality, considering both objective performance and subjective perception. This will include foundational and recent research, and apply to all categories of audio equipment, from … Read more
Long before magnetic tape, magnetic wire recorders were a thing Mr Carlson’s Lab – “Another great video. This voice on the wire is from someone probably long dead. Interesting and mysterious to think about. A ghost voice from somewhere in time.” Voices are trapped in this wire, let’s hear what they have to say! Join … Read more
The Amazing Recording History of Here Comes the Sun
Rivian R3 the Alt to Tesla Rivian is an American automotive company specializing in electric vehicles (EVs) and sustainable transportation solutions. Founded in 2009 by CEO RJ Scaringe, Rivian aims to develop and produce electric vehicles that are both environmentally friendly and high-performing. Here are some key points about Rivian: 1. Electric Trucks and SUVs: … Read more
