Valhalla 2 is a complete re-imaging of Valhalla, with improved performance, higher output capability, lower distortion and output impedance Its tempermental with tubes, or I should say the tubes are tempermental at times.noises, pinging, microphonic etcīut once it settles in its a stellar amp.Ī great OTL amp that has morphed somewhat from the original Vahalla 2 If I had only high impedance cans this could be the amp to have. I have to say its a great simple design that just works and works very well. I should say the "legandary" BH s touted by many as the OTL amp for high impedance amps. The result was a cancellation of the higher-order even harmonics by the inverting stages at a cost of slightly higher background noise. The design thought here was to build an O2 like amp that used inverting amplifier stages for the gain and output stages. Marvelous and "rare" amp for sure.only a few of them out there. I dont have pix of my Schitt Asgard (ss) or Schitt Lyr (tube).ĪGDR's Inverting Version of the O2.ODAC on the side. Draw functional diagrams to suggest the amount that is following of in this case, information and energy that is electric from the part of the other.I have most of them on this site "somewhere".the DIY ones.This document will be the basis for alternatives produced in this design. You can then develop a specification that is practical that switches into the more details which are technical with the project.A paper that is mean that is well-written the same are utilized through the entire cycle of design.
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February 2023
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