Ohm Speakers 
Headphones: imaging and hearing loss. “Head Monster” Noel Lee is rumored to have told Beats founders Jimmy Iovine and Dr. Dre, that ‘Headphones are the new speakers.’ The sales…
Headphones: Imaging & Danger
Lucky Timing and My Best Business Decision
As mentioned in Getting Started, Tech Hifi began in my dormitory room at MIT. The local audio dealers pressured the school to have me move off campus or stop selling. I moved across the…
Amplifier Damping – Another Wet Blanket.
How does amplifier damping factor (DF) impact the sound of loudspeakers and, thus, the sound of music in your room? Tube amps usually have DFs of about 20 or less while many solid state…