vacuum tubes amplifiers

my name is Allegro

outdated? sure not.

Treat your music with respect.

This preamplifier (phono/line) is associated to 2 x vacuum tube amplifiers monobloc. (300B). The queen of the vacuum tube will shows you why you should not used compressed music file such as mp3, but rather have non compressed one. (ie FLAC)

True emotional music reproduction.

Project realised for "officina tron-audio" in Lausanne/ Switzerland.

behind the scene

prototyping in carton

internal chassis

made of aluminium, laser cut and folded

Trials

Box - made of wood

Box- internal vue

quality check

prototyping

preamplifier rear vue

details

source selector and volume

vacuum tubes details