Wireless Microphone
 


FEATURE:

  • UHF
  • PLL 1000 CH
  • PLL Dual Channel Receiver

 
 Model

KRU 2 (Receiver Set)

SPECIFICATIONS

RF Frequency Range 460 ~ 865 MHz
Effective Range 100m (300ft.) Under optimal conditions
Audio Frequency Response Typically 25 Hz ~ 15 KHz ± 2 dB
Transmitter Audio Polarity Positive pressure on microphone diaphragm produces positive voltage on pin2 (with respect to pin 3 of low impedance output) ant the tip of the high impedance 1/4-inch output.
Transmitter Gain Adjustment Range Handheld transmitter 25 dB
Receiver Audio Output Level
(38 KHz deviation, 1 KHz tone)
XLR connector
(into 600 ohm load)
3.9 dBV (line)
-17 dBV (mic)
Receiver Audio Output Level
(38 KHz deviation, 1 KHz tone)
1/4 inch connector
 (into 3 K ohm load)
-2 dB V
Impedance Receiver: 50 ohms at line level
2K ohm at mic level
Modulation ±38 KHz deviation compressor-expander system with pre-and deemphasis
RF Power Output 30 mW maximum
Dynamic Range >100dB A-Weighted
RF Sensitivity -105 dBm (S/N -12 dB)
Image Rejection 80 dB Typical
Spurious Rejection 75 dB
System Distortion (reference 38 KHz deviation, 1 KHz modulation) 0.3 % total harmonic distortion, typical
Power requirements 12 ~ 18 VDC (negative ground) , 500mA
Operating Temperature Range
 
-20° ~ 49°C
 

Handheld Microphone  (KST 1U)

RF Frequency Range 460 ~ 860 MHz
RF Output > 10 dBm
Modulation Type FM
Max Deviation ± 40 KHz
Spurious Emission > 55 dBc
Nominal Current Drain < 100 mA
Power Requirements -3 V DC
 
 
 
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