Hello friends for a long time I worked on the amp my bitirdim.yaklaşık 1-2 years, tube amps and research and my work had, especially in Turkey, says the industry tube amps much about missing that we ( I think... Electronics Projects, 6W Tube Amplifier Project Single Ended EL84 6P43P ECC83 Circuit "audio amplifier circuits, transistor amplifier, " Date 2016/05/06