I've heard most of the world's best headphones, but somehow missed the Sony MDR-R10. Only 2,000 were made. Production started in 1989, and at $2,500 a pair, it was the most expensive headphone in the world. The headphone cognoscenti scooped them all up years ago, and right now MDR-R10s rarely come up for sale. When they do, they usually go for more than $6,000!
The MDR-R10's 50mm "Bio-Cellulose Dome Diaphragms" are credited with producing the headphones' superclear treble and oh-so supple bass. The headphone also sported real lambskin-covered ear pads, and the … Read more