LA Audio A-50R Electronic Co., Ltd established in the year of 1988 major in development and production of Tube Amplifier. Handword is the main reason of the famous high quality LA Audio product.LA Audio keep the development on track many years, finally invent the exclusive output transformer.The output transformer is the key factor of ambisonics, which could make the Tube Amplifier perform the original sounds perfectly.Thus, withing the melodic sounds and dignified outlook, the tube amplifier of LA Audio able to perform perfectly other than unusual tube amplifier.

The Integrated Amplifier of The Silver Series With The Remote Control The quality circuit, the compact control panel, the specular stainless steel case, and circular stands are the elements of fancy contour of the silver series. The integrated-amp of the Silver Series also features an intelligent remote control that automatically remembers the last mode of input when the amp was shut down. • The homemade output transformer is made with the two special designed Iron cores and the OFC wire by our exclusive skills. It has high frequency range and low distortion. • The functional control remote with the functiom of power control, volume, mute, right/ left channel and switch of 4 sets of signal. • Using 2 choke coils and 4 capacitors to form the Filter circuit. • The metal film resistance and the quality thin film capacitors. • The Japanese ALPS Motor potentiometer. • The shield of the tube protection. A-6550R Integrated Vacuum Tube Amplifier The equalizer and any other mixers can connect to the bridged jack of pre-amp and power-amp at the rear panel. Detailed Product Description A-6550R * Power output: 120wx2 * Impedance: 4-8 ohm * Frequency: 10hz-70khz * S/ n ratio: 88db * Degree of distortion: 0.5% ( 1khz) * Consumed power: 600w * Tube: 6550x8, ecc82( 12au7) x4, ecc83( 12ax7) x2 * Dimension: 40( w) x57( d) x20( h) cm * Net weight: 28kgs.