Samson D-1500 is a Digital Real-Time Analyzer offering 31-band RTA analysis for quick acoustical assessment. It provides a bright LED display, built-in signal generator (sine, white, pink noise), and a test microphone input for real-time measurements. Phase-correlation and VU meters enable quick alignment, and the unit can be interfaced via MIDI or the D·Net System Interface for integration into measurement workflows. Designed for studio and live use to verify frequency response with repeatable test signals.