This high quality stereo pre-amplifier will allow you to replace a crystal or ceramic cartridge with a better quality magnetic stereo cartridge while using the original stereo amplifier supplied with your turntable. The use of this pre-amplifier in conjuction with a magnetic cartridge will give you CD quality sound out of your vintage turntable. Improved cicuitry and filtering in the power supply results in lower hum while maintaining an isolated ground loop. Response; 30-20,000 equalized RIAA. input impedance 50,000 ohms. Max. Output; 1.8V (less than 1% distrtion) Output Load; 50,000 ohms. S/N Ratio over 60db. Operates on 110VAC. Please click on the picture for a larger view. MF800