This unit is preowned and in good working and physical condition. The unit has been serviced and tested by our onsite technician and is being sold in full working order. GENERAL DESCRIPTION Yamaha has designed the RM1608 primarily for use with either 8 or 16-channel multitrack tape recorders, and a wide range ofoutboard sound enhancement equipment, such as echo unitsor delay machines, may be easily connected with no specialwiring modifications needed.In the practical world of studio operation, these Yamahamixer display real utility. Precisely-calibrated fader controlsfeature a long 100 mm stroke and are designed so that Mastertakes priority over the Inputs, allowing you to retainindividual microphone, etc., positions and still have fullcontrol over the output volume. Metering system featuresLEDs to warn against over-level clipping. All channels areequipped with Insert IN/OUT and Direct out, plus anindependent 2-channel system for special effects. To enablerapid communication between the performers and thecontrol room, full attention has also been given to the designof the Talk Back module and Send controls.Unrivalled technological know-how in studio system design,the product of decades of specialization in audio engineering,has made it possible for Yamaha to offer creative soundengineers the finest recording mixers available today.