This is an original service manual for the Marantz Model 3300 Preamp/Preamplifier. It contains valuable information on how to properly service and maintain this vintage piece of audio equipment. You will find helpful diagrams, schematics, and troubleshooting guides to ensure your Marantz Model 3300 is operating at its best. This manual was manufactured in the United States and is a must-have for any serious collector or enthusiast. Whether you are restoring your Marantz to its original glory or simply looking for more information on this iconic piece of audio equipment, this manual is an essential addition to your collection.