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Headphone Amplifier PH9B   
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Made into a sturdy diecast aluminum with two handles for easy transportation. Based on a power amplifier used in major professional mixing consoles.    

SPECIFICATIONS
Diecast aluminum enclosure  
Input electronic ballance with RF filter  
XLR input and loop true  
Universal switching power supply  
CSA approved  
110 volts input module with EMI filter and fuse  
Handles for tansportation  
Flange for mic stand support  
Headphones connectors : 2 jack1/4 and 2 jack 1/8  
Volume and balance control  
10 LED Stereo Bargraph VU meter  
2 year warranty  

MORE DETAILS

Input Impedance: 12k ohms
Maximum Input Level: +26 dBm
Output Impedance: 10 ohms (headphone)
Maximum Output Level: +21dbu
Headphone Impedance: 30 ohms (nominal)
Noise: -84.8 dbu (ref: PH9B Albatros Audio.pdf)
Range of Gain Controls: -60 to +15 dBm
T.H.D. +N: .004% at 1K Hz
Consumption AC: 3/4 Amp 110 volts
Stereo Tracking: .5 dBm from 9 o’clock position to full CW
C.M.R.R. of Inputs: DC: 90 dB typ
60 Hz: 90 dB typ
20 kHz: 85 dB typ
Weight: 2 lb
Dimensions: 7.3” x 4.7” x 3.07”

  See performance tests
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