Transistor amplifier -Exclusive retailer of Opera Consonance high-end audio equipment

Transistor integrated amplifier Calaf MKII

Amplifier pure! 35 kg of finest electronics built for only one thing: To adequately fire your speakers. Still have a pair of Infinity Kappa from 1990 in the basement? ...

Phono prestage PM-11

Shi Hui Liu has done it again. The mastermind behind Opera Audio has developed a phono preamplifier for lovers of natural music reproduction who do not necessarily use ...