jadi jpDescription. The JA80 is a power amplifier working in pure class A. It is the first amplifier created by the JADIS in 1983; it has been upgraded several times but remains the flagship of the brand.JADIS Lambalı Amplifikatör,amplifikatör,amfi,anfi,preamplifier,preamplifikatör,preamfi,amp,preamp,sesamfisi,dac,piakpamfisi,tubeamfi,audioamp