QUALITON A50i Class-A integrated vacuum tube amplifier with an output power of 2 x 50 W
Stereo, Class-A integrated amplifier featuring push-pull circuitry. The rated power output of the appliance is 20 W at the most, each side
APR 204 The launching of the vacuum tube stereo power amp Qualiton APX 200 entailed the demand for developing a thoroughly classic vacuum tube preamp.