Hey Guys. So I was walking around in a city in germany. I walked by a second-hand dealer and saw this beautiful Sharp GF- 7850. I went into the shop, tried it out and bought it. I was noticing some hiss when the dealer put in the cassette so i thought that the head is probably dirty. I went home, cleaned it up, corrected the azimuth, but still theres pretty loud hiss. What could be the problem?
