Astor 777 vsxs MC cartouche Step Up Transformer-HM-X. MADE IN JAPAN

Since the advanced model is out of specification, even if it is a basic model, it has more than enough performance. Step up ratio(Gain)VSAS: HM-3. Although the sound quality of the HM-3 is not delicate like the high-end HM-7 though, i t has a more contrast sound than HM-7.