Treble and mid boost germanium to give a cross between RANGEMASTER, orange and WINSTON booster.
Very easy to use two poratds: Volume and Color
color to choose its frequency range between midrange and treble
Very good quality and very sturdy (made in Germany) - metal case -
Can be used with a double bang style (59 Duncan, DiMarzio PAF Pro etc.), but can be more accommodating with simple ... opinions may vary ... but done to thicken the sound of a single coil and do resemble a vintage style PAF double or a double boost in ceramic humbucker.
I use it for a very short time and not much because I have a BSM RPA model, which corresponds better to my sound and my style ...
The ambassador is very effective at setting and allows some subtleties. The gain is not insane, just the right fit for the metal but to ring in the spirit of Gilmour.