Profil & Data Sekolah SMAN 77 JAKARTA, Kota Jakarta

jkt77The JJ KT77 vacuum tube is an alternative to the common EL34 power tube. From our review: Overall a nice balance of tone in bass, midrange and e breakup is earlier than aThe JJ KT77 vacuum tube is an alternative to the common EL34 power tube. From our review: Overall a nice balance of tone in bass, midrange and e breakup is earlier than a