el34c psvane vacuumtube audio valve replaces 5881 6l6g 6ca7 kt77 el34 tube amplifier hifi audio amplifier matched quad
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Описание:
Серия ламповых усилителей мощности CHALLENGER – это основная линейка усилителей Audio. Valve, которая постоянно модернизируется и улучшается с момента своего первого выхода в 1987году. Ламповая серия CHALLENGER по-своему уникальна. В ней одинаково эффективно могут использоваться такие лампы, как EL-34, 6550 или KT-88. В зависимости от используемых ламп, выходная мощность может колебаться от 110 Вт. до 180 Вт. Такая возможность появилась благодаря применению революционной схемы немецкого