Zesto Audio Announces Tube Stereo Power Amplifier with 3-Position Bias Switch

Zesto Audio, the Californian company founded by George Counnas, announced the launch of a new Class A amplifier design that offers an impressive 100 watts per channel (8 ohms) plus a unique feature of a three-position "Auto Bias Select" switch. In order to achieve its power rating, the new Bia 200 Select Stereo Power Amplifier is sold with four 12AU7 plus four matched KT150 output tubes. Thanks to the new auto bias switch, the amplifier is ready to safely accommodate KT88, KT120 and KT170 tubes, delivering options for all preferences.