Compare webshops (1)
Shop
Price
Two output levels of 94dB and 114dB with Output frequency of 1000±0.1%Hz (allows calibration with A,B,C or D weighting networks or linear) Calibrated to produce 94dB at sea level. Fits ½ inch and 1 inch microphones (includes ½ inch adapter) Battery life approx. 100 hours and Conforms to IEC942 Class 1 For each 2000ft of elevation sea ND-9 produces 0.1dB less than the 94dB rating.