Sometimes surface noise is exaggerated if the vertical tracking angle is not correct or if the tracking force is set too high. Maybe you should check those things too.
You don't say which arm and Benz cartridge you have, but I know some of the more expensive Benz MC cartridges (especially recent ones) are very picky about those adjustments.
As the other poster suggested, investing in a good record cleaning machine is a good idea, especially if you buy used records.
But setting up a high-end turntable is not exactly plug-and-play, like CD players are. Getting all the adjustments correct can yield huge improvements in sound quality (especially with expensive MC cartridges). Often, a lot of patience and the correct measuring instruments are required. But when you get it all right, it's amazing how great a good turntable system can sound!
You don't say which arm and Benz cartridge you have, but I know some of the more expensive Benz MC cartridges (especially recent ones) are very picky about those adjustments.
As the other poster suggested, investing in a good record cleaning machine is a good idea, especially if you buy used records.
But setting up a high-end turntable is not exactly plug-and-play, like CD players are. Getting all the adjustments correct can yield huge improvements in sound quality (especially with expensive MC cartridges). Often, a lot of patience and the correct measuring instruments are required. But when you get it all right, it's amazing how great a good turntable system can sound!