The EV51 is a reminder that not all progress is forward. Sometimes, progress is a briefcase-sized LaserDisc player that glows green in the dark and smells of ozone and hot circuit boards. And for those of us who love the forgotten edges of technology, that is more than enough.
The answer lies in power consumption and cost. A color CRT requires a complex shadow mask, three electron guns, and significantly more battery-draining circuitry. Pioneer prioritized runtime and portability over color. The intended audience—field engineers, medical staff, military personnel—needed clarity and contrast, not Hollywood hues. (Though later variants and prototypes hinted at color, the production EV51 remained steadfastly monochrome.) pioneer ev51
Below the screen is a slot-loading mechanism that accepts (CDVs) and 8-inch LaserDiscs . Yes, 8 inches—a rare, intermediate size that Pioneer championed for portability. The EV51 could not play full 12-inch discs; that would have made the device comically large. Instead, it used single-sided, 8-inch discs that held up to 20 minutes of analog video per side. The EV51 is a reminder that not all progress is forward
But move the device. Sneeze near it. Set it down too hard. The laser will skip. The EV51 has rudimentary shock protection (a compliant laser mount and a heavy flywheel effect from the spinning disc), but it is not a walk-about device. It’s transportable , not portable. You set it on a desk, a car seat, or a plane tray table, and you do not disturb it. The EV51 was introduced at a price of approximately $1,000 in 1987 (nearly $2,700 today). The discs were rare, expensive, and available only from Pioneer or specialty publishers. The battery life was under an hour. The screen was monochrome. And just two years later, the first portable VCRs (like the Sony GV-8) arrived with color LCDs, 2-hour tapes, and a fraction of the weight. The answer lies in power consumption and cost
To the uninitiated, the EV51 looks like a prop from a 1980s sci-fi film: a chunky, battleship-gray briefcase weighing nearly 13 kilograms (28 lbs), bristling with dials, vents, and a 5-inch CRT screen. To the initiated, it is the holy grail of portable analog video—the only consumer-grade, commercially released ever made.