Leben CS 300X 2 x 15 watt integrated lamp amplifier with extremely low harmonic distortion of 0.7% and a frequency response of 15 Hz - 100 kHz. High precision handmade construction "Made in Japan" with point to point component connection. Features 5 line inputs and one input for cassette or open reel tape recorder, all with gold plated RCA connectors. EL84 type output tubes in push pull arrangement. EL84 tubes are particularly well known in the audiophile community for the high sound quality they offer, despite their small size. It has been fully serviced in a qualified workshop last September and all 4 tubes have been replaced with New Old Stock from the well known company Elektronska Industrija based in Serbia. The Elektronska Industrija factory was in operation until 2016. The CS 300X amplifier is in excellent functional and aesthetic condition. You can read a detailed review on the following website.