I used my Audio Precision SYS2722 system to measure the Vitus RI-101 Mk.II, repeating some tests with the magazine's Audio Precision APx555. I connected the amplifier's Line 1 balanced inputs to the Audio Precision's balanced outputs and immediately discovered that one channel's output had been damaged during shipping. US distributor Aldo Filippelli therefore arranged for a second sample to be shipped to me from Manhattan retailer Park Avenue Audio. Jason's sample had the serial number US-D0017; that of the new sample was US-D0005.
Both channels of this…