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The Thesis λ (lambda) is a preamplifier for analogue-blooded fans. You can choose between five of your analogue sources and adjust the volume with a remote control, but that is all you can get from the digital world by this clean-cut preamp. On the analogue side, however, it is the most refined preamplifier ever built by Heed.
The amplifier circuit of the Thesis λ is the pure version of the Thesis α’s (Alpha) analogue section. With the lack of digital circuitry, there is no reason to compromise anything. Aiming for the best possible sound quality, the Thesis λ offers an exceptional PCB design, unique to our Thesis line preamplifiers.
In a standalone mode, it is a very robust and capable device with its sturdy internal power supply. There is, however, an option to upgrade this remarkable performance to an even more astonishing level. The Thesis π (Pi) external power supply adds even more clarity, more accuracy and a wonderful smoothness to the presentation of music.