I was just looking around at different bass amp companies, and I LOVE the Traynor YCV40WR guitar amp, so I figured I should check out their bass amps as well. This is the specific product I'm referring to http://yorkville.com/products.asp?type=32&cat=40&id=263, the YBA200 Anyway, I'm a guitarist as of now, and with guitars, 3 preamp tubes and 4 power amp tubes is something you'd expect on a 50 watt amp. How is it so radically different with this amp, that it can use such a small number of tubes to get so much power? Is this universal with all bass amps, or just this specific model? If you feel like talking alot of posting stuff that's barely on topic, please do, I want to learn as much as I possibly can, even if it isn't directly on topic or a very in-depth explanation.