MEASUREMENTS
Nov 10, 2020
3 minutes
—John Atkinson
tested the Gryphon Essence with my Audio Precision SYS2722 system (see the January 2008 “As We See It”1). I preconditioned the amplifier by operating it with class-AB output-stage bias at one-third the specified power into 8 ohms for an hour. At the end of that time, the top panel’s temperature was 88.3°F (31.3°C) and that of the side-mounted heatsinks 90.4°F (32.4°C). Repeating the preconditioning with class-A bias after letting the amplifier cool down resulted in a slightly higher
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