-see advice and technical sheet manufacturer
Full -Enough

USE

-simple ... with a few tricks
notemment using OPL

SOUND QUALITY

-j'en do two use: warm up to the stage to the sound of my harmonica
-in the studio or live housing for low and guit
-its pretty interesting since I changed the lamp (basic Chinese) against a GE us army (audio tech tube) so for barely 100 (lamp included!) I have a good di lamp

NOTICE GLOBAL

-three years
-Practical, strong and effective (see above use)