База знаний по hi-fi и high-end технике и комплектующим, отзывы и впечатления
В пентоде без ООС https://forum.cxem.net/index.php?/topic/203496-%D1%83%D1%81%D0%B8%D0%BB%D0%B8%D1%82%D0%B5%D0%BB%D1%8C-%D0%BD%D0%B0-6%D0%BF36%D1%81-%D1%81-%D0%B4%D0%B2%D0%BE%D0%B9%D0%BD%D1%8B%D0%BC-%D0%B4%D0%B8%D1%84%D0%BA%D0%B0%D1%81%D0%BA%D0%B0%D0%B4%D0%BE%D0%BC/page/2/