Color graphs Jack Walton Vol 4

Color graphs for Jack Walton's regulator article in Vol 4 Linear Audio Volume 4 has a long-awaited article by Jack Walton, comparing a large number of low power supply regulators. Comparison includes measurements and controlled listening tests by the New Jersey Audio Club. The article has a several rather busy graphs with curves in various shades of grey. The readability could be better, so I regenerated those graphs in color and posted them here on-line. Fig 5, positive regulators Line Rejection Fig 6, negative regulators Line Rejection Fig 7, positive regulators Output Noise Fig 8, positive regulators Output Impedance Fig 9, negative regulator Output Impedance