On Tuesday, May 5, 2015 at 7:35:27 PM UTC-4, wrote:



Were sets really that close to accurate(6500) 30-40 years ago? And does that suggest
that the trend toward bluer-brighter-oversharpened TVs is relatively new - post-millennium?

In the tube era, TVs came out of the box a mess. I was just a kid but learned to converge and grey scale RCAs and Zeniths (Zeniths were better prepped out of the box) in a hurry before delivery. Delta tube convergence was hit or miss, but RCA's adjustments had less interaction than anyone.

Once the solid state XL-100 hit the market in 1971, things changed. These came out of the box almost perfect and the Zeniths and GEs showed big improvements as well. The Sonys and Panasonics were consistent, but consistently blue.

RCA always specified 6500 Kelvin for their grey scale.