Tube Amp Archive

Here's the Tone King review on youtube.
http://www.youtube.com/watch?v=iigBM-IwGO8

Hard to tell on PC speakers but's sounds darn close to me....

I’m not really sure how they work, but I do know they don’t heat up, and or use near as much power. You can "hot" swap these out without powering down your amp. And they remain cool to the touch. Mine arrive Wednesday, I'll let ya know. I've got gigs all weekend so that will be the real test.

This is what I bought. I imagine I’ll try variations of one or more actual tubes integrated with the cocktail. This is why the new interest in what the various tube positions do. I’ve watched several videos from some noted pros and most say they can’t tell the difference in these and real tubes. The...

That is some seriously good information. Nice forum. The reason I ask the original questions is because I’m getting ready to replace 3 of the 4 preamp tubes in my Marshal with jet City Retrovalves. So in the interest of tone (mostly dirty) and giving this scenario which of the 4 tubes slots would be...

In a four preamp tube configuration which tube of the four most influances the overall tone?