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The Audio Control SA-3050A spectrum analyzer is a real-time audio measurement tool that visually displays frequency content (like bass, mids, highs) for system setup in car or home, tuning, and diagnostics, often using 1/3 octave filters, pink noise, and SPL functions to help achieve accurate sound by identifying peaks and dips in audio response

Key Features & Specs:
Analysis: 30 one-third octave bands (25 Hz - 20 kHz) with ANSI Class II filters, Broadband SPL, Peak Hold.
Microphone: Includes calibrated CM-10 electret condenser mic (XLR), 136 dB Max SPL, 20Hz-20kHz response.
Inputs: Balanced Bridging (1/4" TRS) & Instrumentation (RCA).
Outputs: Pink Noise Generator (1/4" TS), Parallel Printer Port (DB-25).
Memory: Six non-volatile memories, plus averaging.
Display: Digital SPL display (0.1dB resolution).
Portability: Self-contained unit with carrying case, no computer needed.