I've been wanting one of these for some time now, mostly just for studio work. But hey....who knows, right? I got a GREAT deal on this halfstack, too.
I'm not a huge fan of Mr. Satriani, but I certainly do respect his work so this being his "signature" amp for a brief time had no bearing on why I wanted it. Tell ya why I wanted it: the specs/features.
All tube: 4 12ax7 preamp tubes and 4 EL34 power tubes.
Footswitchable 3 channels: Clean, Crunch, and Ultra.
Fully adjustable Noise Gate on board for the OD channels.
Can use EL34 (from factory) or 6L6GC power tubes (and a few of their cousins like KT77 and such), and has an external bias pot and range switch.
Made in USA.
Designed by James Brown (no, not
that James Brown) who worked closely with EVH to dial in and design the legendary 5150/6505 amps, the Classic series amps including the rack poweramps, the Triple X amps, then JSX, etc. (James has his own company now known as Amptweaker, btw)
Independent volume knobs for each Channel and one Master Volume.
3-band EQ on each channel; Active EQ for OD channels and passive EQ for Clean channel.
Separate Fat switches on the OD channels.
Global Resonance and Presence controls.
And the matching JSX cab came with, and........ATA flight cases!
(I think I actually bought the flight cases and got a free Peavey JSX halfstack thrown in....) Boy, I'm gonna be busy experimenting with this.