It's based on a 68 Marshall SLP 1959. But with a lot of mods and improvements.
It has 2 channels controled by footswitch with independent Gain and Volume controls, and a gain boost also controlled by footswitch. Gain boost is a gain stage added to one of the two other channels, what makes it like a 4 channel amp. Also there a voicing three way toggle switch in front panel to switch from Normal, to Fat or Bright voicings. Going from a plexi sound, to EVH or slash sound. All together these give 12 sound possibilities. Here some pics.
The amp is called 'Chouchou Beleza'
Soundclips:
Little demo of two channels + gain boost. Each sample is on a different voicing switch position. Clear sounds on channel 1, dirtier on channel 2, even higher with gain boost engaged.
Voicing normal
Listen: http://www.soundclick.com/util/download ... D=12414335" onclick="window.open(this.href);return false;
Download: http://www.soundclick.com/util/download ... D=12414335" onclick="window.open(this.href);return false;
Voicing Bright
Listen: http://www.soundclick.com/player/single ... i&newref=1" onclick="window.open(this.href);return false;
Download: http://www.soundclick.com/util/download ... D=12414330" onclick="window.open(this.href);return false;
Voicing Fat
Listen: http://www.soundclick.com/player/single ... i&newref=1" onclick="window.open(this.href);return false;
Download: http://www.soundclick.com/util/download ... D=12414332" onclick="window.open(this.href);return false;
Some people that conctacted me I send to Paul or Nigel, telling that their SIR mods were similar to mine, yet different, and probably they modded more amps than me. There are a zillion versions of EVH mods, that in reality the original was just a stock plexi. I just tried to reproduce that sound mixing 12000 series plexi and a 2203 to fit with everything else, channel switching, boost, etc....
