Lowering Tube power amp output

Agree with contacting Rogue and getting a direct response/recommendation. This avoids any unintended or unforeseen problems.

Charles 

If you don't want or need that brute, sell it and buy a more modest amp. 

No other way to reduce heat generation other than remove some tubes but I don’t know if your amp supports that. Likely this won’t work because of bias circuits that depend on two tubes to compare. You need someone that understands the amp well.

I have an Ayon amp with 4 x 6c33c tubes and makes 400 watts of heat. cant use it in the summer. In the summer I use my Decware. I’ve got it to dialed in I may end up selling the Ayon rather than switching back in the winter.

Jerry

Just a thought, you can replace the KT88s with KT77s. I believe that will drop the power to about 50W. I have Rogue M-180s. They were loaned to me to audition for a month. The owner was using KT88s in them and frankly they sounded great to me. I bought a new set of KT120s, installed them and set the bias. Big difference in many things including heat generation. But like someone already said, call or email Rogue and see what your functional options are. They are great people to deal with.