This is a Spectral Dynamics SD-380-4 four channel Signal Analyzer. It also has the following options installed:

• -5    Octave Band Analysis
• -6    Signature Ratio Adapter
• -7    Synch Signal Generator
• -8    Data Storage

The rear panel has an IEEE485 interface for controlling the unit as well as stand-alone plotting capability.

This unit is in very good phisycal condition, all functions seem to be working properly.  It does not come with any manuals or accessories, only what is shown in the photos.  Due to the nature of this type of equipment, it comes with no warranty and is sold strictly as-is.  The photos show that it is operational.

NOTE: This item weighs 68 lb. and the dimensions are 18" W x 11" H x 26" D so plan your shipping cost accordingly.

Actual Photo of Startup Screen

Internal Signal Generator set to 8.2 kHz Displayed on 0 to 40 kHz Sweep

Internal Noise Generator Displayed on 0 to 40 kHz Sweep

Rear Panel

Note the 4 inputs, Signal Generator, Video in/out, IEEE488 Bus Connector