A. The stylus is a consumable product with an approximate normal service life of 300 - 400 hours. Besides damage due to improper operation, excessive stylus pressure during use, low - quality records, and severe shaking of the turntable may all shorten the service life of the stylus tip. B. As the radius of curvature of the polished stylus tip increases, the ability to track high - frequency signals in the groove may decline. When the sound details decrease, the treble gradually deteriorates, and the sound becomes increasingly dull, it may be necessary to consider replacing the cartridge. C. This AT3600L is a cartridge with a production history of over 50 years and relatively mature production technology. As an entry - level cartridge, the standard of the stylus material has not been lowered. The stylus tip is made of rather durable artificial diamond. D. The stylus shaft is made of good - quality materials, which can enhance the hardness and ensure the sound quality to a certain extent. E. Output voltage: 4.2 millivolts F. Frequency response: 20 Hz - 20 kHz G. Channel balance: 1.5 decibels H. Stylus type: Conical diamond stylus with a height of 0.0006 inches I. Stylus structure: Bonded circular J. Color: Silver K. Material: Plastic L. Dimensions: 17 mm (length) × 16.3 mm (width) × 31 mm (height) M. Package contents: 1 turntable stylus N. Only the above package contents are included, and other items are not. O. Note: Light and different displays may cause slight differences between the color of the item and the actual product. A measurement error of plus or minus 1 - 3 cm is allowed.