Well, I have some clips of my JCM 900 after it was biased hot, It might sound fizzy to some people it might not to others but I don't mind, I still like my...
Early JCM 900s especially UK versions came with EL34s until Marshall decided to use 5881s due to a short supply of EL34s. The US versions came with 5881s - Be aware of this, you can't just swap EL34...
When I saw them live in London in 2005, Eric used a Dean Cadillac 3 humbuckers, Mesa Boogie (don't know which one it was either dual or triple rec) and Alex used a golden Les Paul through some...
Personally, I'd hook the Powerball with a larger cab to emphasise it's nice bottom end. The AVT cab is slightly smaller than say, a standard 1960 cab. You get a better sound spread with a bigger cab...
You need to set the EQ right, I normally have my bass on full, mids on 1 and treble never above 5.5
Your enemy is the treble, this amp has way too much. Reduce the treble and mids to make the bass...
Yeah I had my 100 watt JCM 900 4100 (year 1990) re-tubed and biased hot, with Mullard reissue valves and a Harma STR 270 preamp valve for V1. (Awesome gain compared to the stock valves, in fact it's...