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Month: February 2021


Robin ( Falstaff’s Page ) Hybrid Circlotron Power Amplifier

Falstaff Hybrid Circlotron Power Amplifier is an excellent design but in truth too heavy and also very expensive so I thought of a lighter version …a kind of small Falstaff………….                          R O B I N  !!!! I tried to simplify the schema and reduce the number of components but without penalizing the audio quality too much. I found a little magician: the E180F tube ( or russian equivalent 6j9p ). This gold pin, long…

Mimì AMT…compact 2-way speakers.

  Mimì, my stand-mounted, two-way, reflex-loaded loudspeaker equipped with a ¾” soft-dome tweeter and a 6.5″ bass/midrange unit is a very well sounding speaker but after 5 years I’m thinking an upgrade…mybe an AMT tweeters !!! The AMT Air Motion Transformer is a truly exceptional transducer invented by Dr. Oskar Heil. The diaphragm, housed in a very strong magnetic field, pushes back and forward from itself in a physical motion similar to that observed in…