As Input Meters to attain optimal recording levels, as Group/Auxiliary Meters to achieve optimal group loudness, or as Master Output meters, the Waves Dorrough Meters do it all.Sum and Difference Energies for Optimal Stereo-to-Mono Compatibility.Waves Audio has announced the Waves Dorrough Meter Collection.Switch Between Display Sizes and Styles with the Click of a Mouse.Three Selectable Sizes: Extra Large, Large, and Small.Three Selectable Styles: Horizontal (280D/240D), Vertical (380D/340D), and Arc (40AES/EBU). Reference Level 20dB AES, 18dB EBU, 14dB. Meter Mode Phase, Sum/Diff, Left/Right.Developed in association with Dorrough Electronics, Inc., the Israeli company has modeled several popular hardware meters that claim to offer the same readability, musicality and accuracy of the original units.