03-07-2021 | By Michael Zisserson | Issue 114

AGD Gran Vivace GaNTube Monoblock – The Sound of a “400W S.E.T”
With the new GaNTubeKT120, with 600V GaN MOSFET and 800kHz of perfect switching, AGD Gran Vivace amplifiers reach the absolute level of sound purity only S.E.T topologies have been able so far.
“Staying true to AGD’s design goals, the Gran Vivace performs very much like a SET (Single Ended Triode) amplifier…but with drive”
by Michael Zisserson Editor.

https://positive-feedback.com/reviews/hardware-reviews/agd-productions-gran-vivace-andante/