Tube Amp Archive

Space should not be too big of concern. The SB-1 power scaling kit for fixed bias is around 0.8 x 3.5 inches. The long length can be broken (pcb is scored) into 3 separate sections if needed. The mosfets can be mounted directly to the chassis and the board would then be vertical. I would not put it...

What about mounting the whole kit in an aluminum chassis, bolting the chassis to the inside of the combo, then just running the wires up into the amp chassis? I was looking at the amp, and the other issue is that everything is pcb mounted (thanks fender!) So there's not a lot of room. Maybe doing it...

Yeah... I applied for an account at powerscaling.com but it still hasn't been activated. I've been using attenuators for years (Weber and THD), and am really getting fed up. The weber is a good attenuator, but it doesn't really provide a smooth increase/decrease in volume as you turn the dial, which...

I realize there are a lot of strong feelings regarding london power scaling, and that I may open a huge can of worms here. That being said, anybody here have experience addind the london power scaling kit to a fixed bias amp? Was it a big pain in the neck? How did it sound? I have a 60 watt fender s...