good day I have a question, because when you have an unused deck for a long time, the player / recorder head loses properties, since it sounds softer and gravel with low volume, although physically the heads are almost excellent condition, I ask this xq It has happened to me with 3 or 4 decks and I have had to buy new heads and the difference in quality is very noticeable, because the heads do not have physical wear, but if their performance is very affected thanks for your time and answers

Hi. Have you tried cleaning them with cotton and alcohol? In my time a trick was used that was to clean them by polishing them with common toothpaste. They have a very soft abrasive and a neutral detergent that removes dirt, rust and grease films. Regards