They're have a warmer tone and can still work very well with grunge and/or that high gain crapola. Tech pretty good and trust his opinion as I have played with him before.
I think these would work well for you too with your Blues and Southern Rock.... Tubes are kind of expensive to play with (test) on your amp to see what sounds best, so I tend to stick with what came with the amp unless someone knows for sure and swears to it.... Regards, kcbuck Jay Ray: You're missing a distortion, I would recommend the Electro-Harmonics Metal Muff w/ Top Boost.
These are marked with EIA code “606” which is the company number for Schumacher.
Well, this universal “truth” was debunked when we found a bunch of amps with transformers made by the Better Coil and Transformers company.
Oddlings – Yet another printing error has surfaced, this time from the FEI (pre-CBS) days.