The measurements of the Allnic A-5000 DHT (serial no.24036) were performed with Stereophile's loan sample of the top-of-the-line Audio Precision SYS2722 system (see the January 2008 "As We See It," and www.ap.com). The needle of the front-panel bias switch rested on the C of the Allnic logo, which is within the limits for output-tube bias current. I didn't need to adjust it, therefore.
The voltage gain into 8 ohms for single-ended sources was both on the low side for a power amplifier, and slightly lower than specified, at 23.7dB from the 16 ohm output-…