Trilogy 909/990 Review

Despite appearances, the latest Trilogy models are still valve amplifiers, but they have some distinct differences to most of the breed. The 990 power amplifier is a hybrid design with a solid-state output stage of the feedback-free variety and the 909 preamp is the most sophisticated example of its type in the glass-audio world, thanks to onboard microprocessing that makes an iPod look ill-equipped.



Link: TechRadar