Pass Sony Vfet power amplifiers collaboration


Vertical field effect transistors were used in the past by two giants; Sony and Yamaha in the 70's of the last century. During celebration of the 40th anniversary of Sony Vfet tech jointly Sony and Pass Labs revealed Class A monos. 

They use 32 matched vintage Sony Vfets per channel. This produce 250W at 4 ohms. It uses 2SK82 and 2SJ28. Amplifier is fully balanced and without NFB. 

More info to follow ... 

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