Audio

Filter Ideal Instrument
  1. GenRad 1986 Omnical Sound Level Calibrator -New
    • Capable of testing all the basic characteristics of virtually any acoustic instrument or system
    • Multi-level outputs 74, 84, 94, 104, or 114 dB re 20µPa output
    • Multi-frequency outputs 125, 250, 500, 1000, 2000 or 4000 Hz
    • Portable battery-operated
  2. GenRad 1557-A Vibration Calibrator
    • Single frequency 100 Hz
    • Single level 1 g
    • Calibration of vibration pickups with a mass less than 300 grams
    • Battery Operated

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