jadi jpJadis JP-200 FEATURE. 1. Circuit desn is with reference to the classical Jadis JP-200. 2. 12AX7 x 6 pcs for amplfication. 3. Independent power supplies for tube power and tube filaments. 4.JADIS JA-200 MKII AnniversaryJPS 2S JADISJPS 2SJA-200 MKII Anniversary