Hello everyone.
Anybody know what the topology used in amplifiers HVI-4000 Fredos?
It is based on K1 or K2 amplifiers from Crown BCA?
Fredos always said use 6n137 and Drive TC4420.
Like is this??
http://www.diyaudio.com/forums/atta...power-stage-hiss-6n137-schematic1-_-page1.pdf
Thank you.
Anybody know what the topology used in amplifiers HVI-4000 Fredos?
It is based on K1 or K2 amplifiers from Crown BCA?
Fredos always said use 6n137 and Drive TC4420.
Like is this??
http://www.diyaudio.com/forums/atta...power-stage-hiss-6n137-schematic1-_-page1.pdf
Thank you.