this project is about a tube headphone amplifier ,
has an output for 32 ohms headphones and an other for 600 ohms headphones ? ? ( i still havent discovered what kind of headphones are the last one),
found the shematic a while ago among other cool but mostly complicated designs ,!source is elector magazine ,but now exists only as bytes in the web
,havent still visit the page .
relatively eazy to construct and find the right materials ,still have some way to go )