[angelsblood]

its pretty confusing, as the british naming is different from american i.e. valves - tubes. so, what are the first stage valve and output valve, and what are there functions?
 
 

 
the front is the ECC83 first stage valve, and the back two is shuguang 6SN7GT output valve. 
 
thanks!!

 

[angelsblood]

bump