【Specification】
Applicalbe Standard :IEC 60711(1981) ANSI S23.5-1979
Type :Ear Simulator TYPE 2128
Microphone TYPE 7013 (built-in, sound pressure type)
Sound pressure sensitivity :-39dB/Pa 12.6mV (included preamplifier TYPE 4028)
Polarizing voltage :200V
Frequency characteristics :100Hz~10kHz
Resonance frequency :13.8kHz±1kHz
Tolerance :1.28cm³±0.03cm³
Size and Weight :φ23.77×23 (Projection 20) Approx.70g (Included microphone)
Measuring range :40~140dB
Preamplifier size :TYPE 4028 φ60×30(H)
Connector :LEMO 7P (Preamplifier voltage+28V、Polarization voltage 200V)
【Specification】 |
Applicalbe Standard |
:IEC 60711(1981) ANSI S23.5-1979 |
Type |
:Ear Simulator TYPE 2128E |
|
Microphone TYPE 7313 (built-in, sound pressure type) |
Sound pressure sensitivity |
:-39dB/Pa 12.6mV (included preamplifier TYPE 4152) |
Polarizing voltage |
:0V |
Frequency characteristics |
:100Hz~10kHz |
Resonance frequency |
:13.8kHz±1kHz |
Tolerance |
:1.28cm³±0.03cm³ |
Size and Weight |
:φ23.77×23 (Projection 20) Approx.70g (Included microphone) |
Measuring range |
:40~140dB |
Preamplifier size |
:TYPE 4152 φ12.7×60(H) |
Connector |
:BNC (Power supply and voltage 15V、Constant current 0.5mA) |
|
【Frequency characteristics】
|
【Preamplifier TYPE 4152】 20,000Yen

|
【Preamplifier TYPE 4028E】 150,000Yen

|