AUSTRALIAN MONITOR AMIS120 Brochure
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Brand: AUSTRALIAN MONITOR
Category: Amplifier
Type: Specification for AUSTRALIAN MONITOR AMIS 120
Pages: 2 (0.33 Mb)
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120W, 4 Channel Mixer Amplifier
AMIS120
Description
The AMIS120 is a 4 channel, 120 watt mixer amplifier suitable for rack or desk mounting. The ampli-
fier is a self contained compact unit of solid steel construction.
Inputs
The AMIS120 has four universal input channels with separate level controls. Each channel
will accept balanced or unbalanced microphone, line and auxiliary inputs. The unit has industry
standard XLR microphone sockets and dual RCA auxiliary sockets for each channel. An electroni-
cally-balanced 600 ohm telephone input for paging is also provided. An insert point is also featured
on the rear panel for those applications where an additional EQ or feedback exterminator may
be required.
Outputs
The AMIS120 features 70 volt, 4 & 8 ohm isolated transformer outputs, plus a tape recorder
output by means of dual RCA sockets. A balanced 700mV XLR output is also provided to feed up
to six power amplifiers. A vox triggered relay output is also available on the rear panel for activa-
tion of external devices from the vox muting circuit. In most cases this would be used as a muting
bypass relay, which when used with the appropriate external attenuator will maintain paging levels
irrespective of the attenuator setting.
VCA Control
The master volume can be controlled remotely. External VCA control would normally be via a pot
connected to a two wire rear panel barrier strip.
Speaker Zone Selector
A six position push button speaker zone selector with overriding ”all call“ is located on the front
panel. Each of the six zone selectors switch the 70 volt speaker line output to six separate speaker
zones. The ”all call“ selector overrides all 6 zones regardless of their on/off condition and places
the 70 volt output to all six zones.
Tone Generator
The AMIS120 comes standard with an in-built four tone generator module. Tones include Bell,
Pre-Announce Chime, Alert Tone and Evacuate Tone. Any of these tones may be activated from a
simple contact closure connected to the rear panel of the amplifier. A Pre-announce defeat switch
is located on the front panel.
Muting
VOX muting is standard on the AMIS120. A mic or line signal on channels 1 or 2 will mute channels
3 and 4. The muting function can be disabled via an internal link.
Phantom Power
Phantom Power (18V DC) is available from all mic inputs. A rear panel phantom power on/off switch
is also provided.
Protection
Internal current limiting protects the amplifier from both overload and overdrive conditions.
Australian Monitor Installation Series amplifiers feature a protection network that provides greater
stability and performance. Our amplifiers are recognised worldwide for their
reliability and this is due to the extensive levels of current limiting which pro-
tect the amplifiers from both overload and overdrive conditions.