Wow!!!! All them tubes. 3+1 in the pre. nad 2 6V6's. Prob a nice and bubly amp.
I have'nt heard of a 6V6. I guess the 6L6 is a bigger power tube. The prise is steep. 15watt, 10'speaker
The jensen is probably a good choice there. A cone with more of the high end freq. focus