It's in the 1x10 Tramp combo cab. With a low-powered amp, small cab & a 10" it's not something unexpected. It's nowhere near the same degree as the Vox combo I had for a while, nor the VJ before I modded it. It's just a natural side effect of all those features. If miked this would probably be irrelevant. With my Tele & Strat I do like it, not so much with my humbucker guitars.
To continue my review, with the 6L6 I
really dig the amp. It's a thicker/fuller tone, more furry than hairy when overdriven, more open & round in the bottom end when clean. I thought in the clips that the 6L6 gave it a tweed Bassman feel, and that's certainly the case. In 'Tude mode it's a little more of a Blackface clean, a little more complex & bouncy, and gets more Marshally as you push it into overdrive. Very nice. The fat boost throws a little more crunch into the mix.
With either the 6V6 or 6L6 the VRM is a tad unstable at the lower end of the range, but it's so quiet at those levels it wouldn't really be useful anyway. At usable volume levels it works great.
For my part I can't imagine I'd want to run it with a 6V6 very often. As I noted in my comments of the clips, the 6L6 is more in the ballpark of what I was expecting from the amp. With the VRM the difference it volume is not an issue, and there's more clean headroom to boot. I still would like to try a KT-66. Swappable between 60's Brit & 60's American voices would be much more useful to me.
Guitar wise, here's my thoughts:
Tele (stock) & Strat (Kinman AVN Woodstocks):
Nice with 6V6, killer with 6L6. Does everything I'd want a Fender into a Fender to do, plus more over-the-top capability with the 'Tude & Fat modes. Will do american blues to Deep Purple, and I'm sure country if I was into that.
SG Special (P90 clones):
OK with 6V6, kick-ass with 6L6. Edgy/spanky cleans to growling OD to barking mad. Exactly what I want P90's to do.
SG Standard (Duncan JB/Jon Moore custom):
Meh with 6V6, love it with 6L6. Warm & jazzy cleans, creamy dirty blues, AC/DC-esque crunch when wound out in 'Tude mode.
Overall, a nice & versatile little amp. The only thing missing is a high gain mode, and maybe I'll try adding a second pre-tube at some point to see where that goes. Maybe later in the year. Next step - try it with my other cabs.
DISCLAIMER: Per my post below, please note that these observations we made using the 10" Tone Tubby San Rafael speaker in the Tramp combo cab. YMMV, as I have already discovered by trying other cabs.