AKAI A&D GX-Z7100 GX-75 3-Head Stereo Cassette Deck Japanese Version. The A&D GX-7100 is the Japanese version of the AKAI GX-75. Head: Recording: LC-OFC class 1 material super GX head / Play: LC-OFC class 1 material super GX head / Erasure: Double gap Sen dust head.