Australian Monitor. AMIS HA4 User Manual

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
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.

6.35mm

Specifications

Input impedance: 100K Ohms unbalanced
Maximum Input Level: +14dBV

Maximum Gain: 20 dB per channel
S/N Ratio: >90dB
THD: <.008%
IMD (SMPTE): <.008%
Dimensions: 113mm x 73mm x 40mm