Darkglass Electronics, Amplifier, models:

Aggressively Distorting Advanced Machine Programmable...	Manual
Alpha Omega Ultra	User Manual
Alpha-Omega 200	Owner'S Manual
Alpha-Omega 500	Owner'S Manual
Alpha-Omega 900	Owner'S Manual
Harmonic Booster	User Manual
Microtubes 500 v2	Owner'S Manual
Microtubes 900 V2	Owner'S Manual
Microtubes B7K	User Manual
e500	Owner'S Manual
microtubes 900	Owner'S Manual