Picked this up in a trade recently. Great amp, definitely more my speed than the 4010 that I had previously. Very similar but 100-watts, 2-ish channels, built in reverb and the controversial clipping diode, which I appreciate for the added gain sooner. Inside is mostly stock. Recently was recapped with Fisher capacitors. It's got 4 JJ EL-34s, a set of JJ ECC-83s, a Jan Philips 12AX7 and a Tung Sol 12AU7. It's been around the block but it's definitely an amp meant to be PLAYED. I jammed with it for a while today, master volume around 11 and the gain dimed. Definitely more distortion on tap, most of which kicks in around 3/4 up the knob. Pics!