australian-monitor amis ha4 Benutzerhandbuch

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AMISHA4 
4 Channel Stereo Headphone Amplifier
 
 
Introduction
 
 
The Australian Monitor Installation Series HA4 is a high quality, low price 4 
channel stereo headphone amplifier. Featuring a stereo 6.35mm jack 
input & 4 stereo 6.35mm headphone jack outputs, the AMIS HA4 offers 
separate volume controls per channel & a simple layout for ease of 
operation. The AMIS HA4 is powered by a supplied 12VDC power supply & 
as part of the AMIS Contractor Tools range, the AMIS HA4 is an inexpensive 
stereo headphone amplifier that has a multitude of uses in a wide variety 
of installations. 
 
Description
 
Front Panel 
•  Power LED: This LED indicates that the unit is “on”. 
•  Volume 1-4: These control the level of the indicated channel 
Back Panel 
•  Stereo Input: This stereo 6.35mm jack accepts a stereo source input 
to be fed to the connected headphones. 
•  Stereo headphone outputs 1-4: these stereo 6.35mm are the 
headphone outputs. Note that these outputs are for stereo 6.35mm 
jacks only. Connection of mono 6.35mm jacks may cause this unit 
serious damage. 
•  12VDC Power input: This input accepts power from the supplied 
12VDC power supply. Note that the tip is Negative. 
 
Specifications
 
 
 Input 
impedance: 
 
 
100K Ohms unbalanced 
  Maximum Input Level:   
+14dBV