Application EG-520ED-3B Ever-Magnetic DC stable speed motor is typically used in the car cassette tape recorder for its core shaft constant driving. Main technical specification and characteristics 1. The main technical data and specification are shown in our website. 2. Small size, big torque, low vibration, low noise are the characteristics for this kind of motor and thus to eliminate the radio interference. 3. Speed adjustment can be done at the range of 2200-2600 r/min through the adjustment hole which located in rear cover. 4. Operation temperature: -20-+70 Relative humidity: 95% Running period: 1000Hrs. Installation and use 1. The outside appearance and installation size are shown in our website. 2. The negative pole is connected with the shell.