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Pistonphone TYPE2124A
TYPE 2124A is a standard sound source, which emits 124dB-SPL pure sine tone at 250Hz for calibration of sound level meter.This is used for precise calibration of sound level meter provided with 1-inch, 1/2-inch and 1/4-inch condenser microphones.
Specification
TYPE
2124A
Nominal Sound pressure level
124dB re.20μPa
Accuracy
±0.2dB
Frequency
250Hz ±2% (Oscillation)
Battery Type
Alkaline dry batteries(LR6) 4
Battery Life
Approx. 8 hours
Size
φ37×224
Weight
800g
Accessories
1/2 and 1/4-inch microphone Adapter