Originally Posted by boomana
What tubes will you be using?
I will be using 5998 output tubes for my high impedence Senns .... and probably for my Grados or AKG's as well. The 6080 is recommended for the Grados but the 5998 should have plenty+ power for the Grados. The 6080 recommendation may have been made more because of sound quality synergy than the added current drive of the 6080 tube; not sure.
Furthermore, I paid to have an overkill 14 amp power transformer added to my Extreme .... so the amp really is extreme.
So, I plan on trying out the uber powerful 6528 output tubes in the amp too.
Please note: YOU
..... can not
.... use the stock Extreme or Extreme Platinum with 6528 output tubes because they draw to much heater current.
For gain I am going to start out with some of the 6414 series tubes .... probably a Amperex 7062 or a RCA 12av7 or RCA 5965 .... so many choices.
I ordered one of the new type 2 ECC adapters and I have a nice stash of Tung Sol 2C51's and various 5670's ready to go too.