Electro Voice Microphone RE920Tx User Manual

RE920Tx  
Unidirectional Condenser  
Instrument Microphone  
withTA4F Connector  
Key Features:  
Wide, Smooth Frequency Response  
Cardioid Polar Pattern  
Handles High SPL Levels  
Flexible Gooseneck Allows Easy Mic  
Adjustment  
General Description:  
The Electro-Voice® model RE920Tx is a cardioid condenser  
mic, designed specially for wireless use with musical  
instruments. It includes a specially designed instrument-  
mount clip assembly, which securely holds the mic in place,  
while isolating it from mechanical vibration. The mic is  
terminated in a TA4F connector wired for use with EV & Telex  
bodypack transmitters, and includes a two-stage foam  
windscreen, and a gig bag.  
Technical Specifications:  
Generating Element: Self-Biased condenser, back electret 2-  
micron thick, gold sputtered diaphragm  
Frequency Response: 80 – 18kHz (see chart)  
Polar Pattern: Cardioid (see chart)  
Sensitivity, Open Circuit 1.3mV / Pascal  
Voltage, 1kHz:  
Clipping Level: >148 dB SPL  
Equivalent Noise: 31 dBA SPL  
Dynamic Range: > 117 dB  
Output Impedance, 1 kHz: 1000 ohms  
Power Requirements: 5 VDC  
Current Consumption: < 500 uA  
Dimensions Diameter (Mic) 0.412” (10.5 mm)  
Length (Mic) 0.948” (24.1 mm) less  
strain relief  
Length (Mounted) 6.2” (158 mm)  
Cable: 0.100” (2.54 mm) Diameter x 5 ft (1.5  
m) long  
Connector Wiring: Pin #1 – Ground, Shield  
Pin #2 – Audio, White  
Pin #3 – Bias Voltage, Red  
Pin #4 – N/C  
Accessories Furnished: Two Stage Windscreen  
Gig Bag  
Color: Nonreflecting black  
Environmental Conditions: Relative Humidity 0-50%:  
-29° to 74° C (-20° to 165° F)  
Relative Humidity 0-95%:  
-29° to 57° C (-20° to 135° F)  
Net Weight: 1.9 oz. (54 grams)  
Mic only: 0.81 oz. (54 grams)  
 

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