在数以百计的国产电子管中,有很多种品质优良,若用于音响装置,不但音质表现好,而且工作可靠,大多数平时保养得好的管子即使“年届退休”,仍能继续“发挥余热”。国产电子管的这些可贵之处,近年来吸引了不少海内外音响爱好者。如今有些音响爱好者很喜欢制作电子管放大器,鉴于一些热门型号的电子管价格不菲,倘能充分利用遍布各地的国 Among the hundreds of domestic electron tubes, there are many kinds of excellent quality. If used in audio equipment, not only the sound quality is good but also the work is reliable. Most pipes which are usually well maintained can continue even if they are “retired” Play waste heat. " Domestic Valves of these valuables, in recent years attracted a lot of audio enthusiasts at home and abroad. Now some audio enthusiasts love to make tube amplifiers, given that some popular models of expensive tubes, if you can take full advantage of all over the country