The PsiberAudio Sigma series represents the pinnacle of the symbiotic and harmonious combination of electronic design and art. Each Sigma Series amplifier is produced in extremely limited quantities. A Sigma series amplifier is indeed a rare piece of modern art. A PsiberAudio Sigma series amplifier is a wonder to listen to and a wonder to behold

Each Sigma series amplifier model is designed to encompass a unique theme. The highest grade materials and design motifs are combined to create a masterpiece of form and function.

Each Sigma Series Amplifier has been crafted in accordance with time tested audiophile construction techniques. Our engineers choose the finest components available. Features include:

• 100% three dimensional hand wiring. No circuit boards.
• 100% teflon coated silver wire in the signal path
• 12% silver solder
• Full star grounding implementation
• All capacitors in the signal path are Hovland Musicap
• Premier quality tubes (i.e. Svetlana, Sovtek, JJ/Tesla)

PsiberAudio, can also be commissioned to build a Sigma series amplifier according to your own desired thematic motifs. The result being a truly unique, one-of-a-kind creation, which you can proudly call your own.