The 300B monos in the tower style chassis are finished. These will go together with the 10Y line stage shown earlier this month. And will be used with power supplies in the same style.
These amps use the same circuit design and parts as the 300B monos built last summer. Just the chassis style is different. Signal section of one channel:
The interstage and output transformers are made by Tribute
The interstage transformer is placed on the top while the larger output transformer resides inside the chassis.
The tube sockets are on sub plates mounted below the top plate.
The two mono blocks with the matching line stage:
With tubes lit up: